Tubes & Sample Collection

<h2>What Are Centrifuge Tubes?</h2>
 Centrifuge tubes are cylindrical laboratory containers with caps that are used to separate, pellet, and store biological or chemical samples through centrifugal force. They are commonly made from polypropylene (PP) or polystyrene (PS) and are available in sizes ranging from small 0.5 mL microtubes to larger 50 mL conical tubes. These tubes are widely used for cell pelleting, protein precipitation, DNA and RNA extraction, tissue homogenate clarification, and long-term sample storage. Depending on the material, they can withstand temperatures from &minus;80 &deg;C to +121 &deg;C.
In short, the best centrifuge tube depends on your centrifuge rotor, required g-force, sample volume, and sterility needs. 
<h2>What You Will Find: </h2>
<ul>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes" title="All Centrifuge Tubes">All Centrifuge Tubes</a>: Comprehensive selection of 15 mL and 50 mL conical tubes with clear graduations for daily lab workflows.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/oak-ridge-style-centrifuge-tubes" title="Oak Ridge Style Centrifuge Tubes">Oak Ridge Style Centrifuge Tubes</a>: High-speed, chemical-resistant tubes designed to withstand extreme RCF without deformation.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/centrifuge-bottles" title="Centrifuge Bottles">Centrifuge Bottles</a>: Heavy-duty, larger-capacity vessels engineered for bulk sample processing and high-velocity runs.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes" title="Large Volume Centrifuge Tubes">Large Volume Centrifuge Tubes</a>: Industrial-strength 250 mL and 500 mL tubes optimized for pilot-scale harvesting and bioprocessing.</li>
</ul>
&nbsp;
<h2>How to Choose Centrifuge Tubes</h2>
 Volume and Rotor Compatibility
Select a tube size that matches both your sample volume and centrifuge rotor. Microtubes ranging from 0.5&ndash;2 mL are commonly used in microcentrifuges and can typically handle speeds up to 20,000 &times; g. Midi tubes in the 5&ndash;10 mL range are suitable for intermediate sample volumes, while 15 mL and 50 mL conical tubes are commonly used in clinical, research, and preparative centrifuges.
Material: Polypropylene vs. Polystyrene
Polypropylene (PP) tubes offer excellent chemical resistance and can tolerate temperatures from &minus;80 &deg;C to +121 &deg;C. They are suitable for autoclaving and exposure to many laboratory solvents. Polystyrene (PS) tubes provide superior optical clarity, making it easier to visually inspect samples and liquid levels, but they have lower resistance to solvents and extreme temperatures.
Sterility and Contamination Control
Sterile centrifuge tubes are typically gamma- or E-beam-irradiated and certified free of RNase, DNase, and pyrogens. These tubes are recommended for RNA extraction, cell culture, and clinical applications where contamination must be minimized. Non-sterile tubes may still be RNase- and DNase-free and are often suitable for routine DNA work and general sample storage.
Cap Design
Attached screw caps help prevent cap mix-ups and sample contamination, especially in high-throughput laboratories. Separate caps can be quicker to open and may be preferred in workflows that require frequent access to samples. If tubes will be used with automated systems, cap dimensions should be verified for compatibility with liquid handling equipment.
Packaging Options
Racked tubes provide convenient organization and allow direct pipetting while the tubes remain in the rack. Bulk-bagged tubes offer a more economical option for laboratories that process large volumes of samples and already have tube storage systems in place.
<h2> Comparing Common Centrifuge Tube Types</h2>
 Microtubes (0.5&ndash;2 mL) are ideal for PCR preparation, microcentrifuge applications, and storage of small sample volumes. They can generally withstand centrifugal forces up to 20,000 &times; g.
Midi tubes (5&ndash;10 mL) are designed for intermediate sample volumes such as culture supernatants and can typically tolerate forces up to 16,000 &times; g.
Sterile 15 mL conical tubes are frequently used for cell pelleting, RNA extraction, and clinical sample processing, with typical ratings between 12,000 and 15,000 &times; g.
Sterile 50 mL conical tubes are commonly selected for larger-volume applications including tissue culture work, density gradient preparation, and large-scale sample processing.
Polystyrene conical tubes in 15 mL and 50 mL formats are often chosen when visual sample inspection is important and solvent exposure is minimal.
<h2> Specifications and Features</h2>
 Polypropylene centrifuge tubes from Globe Scientific and Nest Scientific are manufactured from USP Class VI virgin resin and do not contain plasticizers or processing additives. Sterile products are typically irradiated to achieve a sterility assurance level (SAL) of 10⁻⁶. Most 15 mL tubes feature graduation marks at 1 mL intervals, while 50 mL tubes are usually graduated every 5 mL. MBP offers both bagged and racked centrifuge tube formats, including 15 mL and 50 mL conical tubes as well as smaller microtube and midi tube options.
MBP supports procurement departments by accepting purchase orders and offering institutional pricing for qualified high-volume customers. <a href="https://mbpinc.net/contact-us">Contact the MBP team today</a> for a customized quote.

Centrifuge Tubes

Biologix® Non-Sterile Centrifuge Tubes

Biologix Centrifuge Tubes 15ml and 50ml USA

BIOLOGIX CLEAR POLYPROPYLENE NON-STERILE CONICAL BOTTOM CENTRIFUGE TUBES WITH PLUG-SEAL SCREW CAPS

Biologix Centrifuge Tubes, Non-Sterile, Bulk, Case of 500\n

Brand

Model

Material

Caps

Sterile

BIOLOGIX 15ML CLEAR POLYPROPYLENE NON-STERILE CONICAL BOTTOM CENTRIFUGE TUBES WITH PLUG-SEAL SCREW CAPS PACKAGED SEPARATELY. TUBES HAVE WRITING PATCH AND MARKED GRADUATIONS. 500/CASE

BIOLOGIX 50ML CLEAR POLYPROPYLENE NON-STERILE CONICAL BOTTOM CENTRIFUGE TUBES WITH PLUG-SEAL SCREW CAPS PACKAGED SEPARATELY. TUBES HAVE WRITING PATCH AND MARKED GRADUATIONS. 500/CASE

BIOLOGIX 15ML CLEAR POLYPROPYLENE NON-STERILE CONICAL BOTTOM CENTRIFUGE TUBES WITH POLYETHYLENE FLAT TOP SCREW CAPS PACKAGED SEPARATELY. TUBES HAVE WRITING PATCH AND MARKED GRADUATIONS. 500/CASE

BIOLOGIX 50ML CLEAR POLYPROPYLENE NON-STERILE CONICAL BOTTOM CENTRIFUGE TUBES WITH POLYETHYLENE FLAT TOP SCREW CAPS PACKAGED SEPARATELY. TUBES HAVE WRITING PATCH AND MARKED GRADUATIONS. 500/CASE

Sample Tubes

<h2 dir="ltr">What are Transport Tubes?</h2>
 Transport tubes are sterile, leak-proof screw-cap tubes used for collecting, transporting, and temporarily storing biological specimens from the collection site to the testing laboratory. They span a broad category: empty specimen containers (15 mL and 50 mL self-standing conical tubes), pre-filled saline transport tubes, UTM (Universal Transport Medium) tubes, and specialty specimen vials. All transport tubes share three required attributes&mdash;leak-proof construction, sterility confirmation, and compatibility with the downstream assay's matrix requirements. Choose the transport tube type based on the specimen, the target analyte, and the assay platform it will be processed on. 
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">5 mL transport tubes for routine sample movement</li>
<li dir="ltr" role="presentation">10 mL tubes for higher volume biological samples</li>
<li dir="ltr" role="presentation">Leak-tight screw-cap tubes for secure handling</li>
<li dir="ltr" role="presentation">Sterile transport tubes for clinical workflows</li>
<li dir="ltr" role="presentation">Graduated tubes with labeling surfaces for tracking</li>
<li dir="ltr" role="presentation">Self-standing tubes for easier bench organization</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Transport Tubes</h2>
 Material: Polypropylene (PP) vs. Polystyrene (PS) PP conical transport tubes are chemical-resistant, autoclavable, and certified DNase/RNase-free in molecular-grade formats. PS transport tubes (30 mL translucent format, Globe Scientific) are lighter and less expensive but not autoclavable. For nucleic acid work, DNA/RNA-free certified PP is the standard. For specimen transport requiring centrifugation, PP is preferred due to higher g-force tolerance (PP rated to &ge;10,000 &times; g in most formats). Self-Standing vs. Rack Format Self-standing (skirted-base) conical tubes stand upright without a rack, reducing knock-over risk during aliquoting and transport. Rack-based tubes require a separate holder. Globe Scientific self-standing 50 mL PP transport tubes feature a printed graduation, white frosted writing area, and are available sterile, non-sterile, or metal-free. Sterile tubes are RNase/DNase-free and pyrogen-free per the lot certificate. Sterile vs. Non-Sterile Sterile tubes (ISO 11137 radiation sterilization, SAL 10⁻⁶) are required for culture, NAAT, and any specimen where contamination would invalidate the result. Non-sterile metal-free PP tubes are suited to trace-element analysis and environmental sampling where sterility is not required but metal contamination would interfere. Volume 15 mL tubes are standard for most clinical specimen aliquots, urine transfers, and culture setups. 50 mL tubes are used for higher-volume specimens (24-hour urine aliquots, stool homogenates, bulk transport of tissue homogenates). Globe Scientific 30 mL tubes with integral spoon are designed specifically for fecal specimen self-collection. Media and Additives Empty transport tubes (no fill) are the base format; select a pre-filled tube (saline, UTM, boric acid) based on the specimen type and analyte stability requirements. For nucleic acid targets, pre-filled tubes with DNA/RNA Shield, UTM, or saline are the appropriate formats. 
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific self-standing 50 mL conical transport tubes are manufactured from USP Class VI medical-grade PP with a conical bottom skirt for freestanding stability. Printed graduation marks (1 mL intervals) and a frosted writing area are standard features. Sterile versions are individually wrapped and certified RNase-free, DNase-free, and pyrogen-free per lot certificate, consistent with ISO 9001:2015 manufacturing standards. Non-sterile metal-free versions are supplied with a separate natural screw cap and are tested for trace metals via ICP-MS before lot release. MBP's transport tubes catalog includes Globe Scientific and NEST Scientific formats in multiple pack sizes (25/bag and bulk packs of 500). 
&nbsp;
If you need help choosing tube size or matching the right transport format to your workflow,<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;"> the MBP team</a> can help you sort it out without overthinking it.

Transport Tube Products

Sample collection tubes, 6ml, red caps, sterile, 1000 Tubes/ Bag, 1000 Caps/ Bag. 1000 Sets/ Case

Sample collection tubes, 10ml, red caps, sterile, 500 Tubes/ Bag, 500 Caps/ Bag. 1000 Sets/ Case

BIOLOGIX SAMPLE COLLECTION TUBE

Material: Medical-grade polypropylene;●Capacity: 6ml/10ml, self-standing

SAMPLE COLLECTION TUBES, 6ML, RED CAPS,  STERILE, 1000 TUBES/ BAG, 1000 CAPS/ BAG. 1000 SETS/ CASE

SAMPLE COLLECTION TUBES, 10ML, RED CAPS,  STERILE, 500 TUBES/ BAG, 500 CAPS/ BAG. 1000 SETS/ CASE

Transport Tubes & Vials

<h2 data-section-id="1lg84vb" data-start="0" data-end="32">What Are Drosophila Products?</h2>
&nbsp;
Drosophila melanogaster (fruit fly) research relies on a range of specialized consumables used for culturing, maintaining, and studying fly populations. These products include culture vials, stock bottles, plugs and closures, prepared or dry-mix culture media, and various accessories used for handling and transferring flies. Universities, research institutes, biotechnology companies, and pharmaceutical laboratories use these consumables daily for genetics, developmental biology, neuroscience, and disease-model research.
MBP supplies Drosophila culture products including polypropylene and polystyrene vials, stock bottles, and cellulose acetate plugs designed to support both small research groups and high-throughput fly facilities. In many laboratories, these consumables represent some of the most frequently used products, with large facilities consuming thousands of vials each week.
Successful Drosophila research depends on three essential consumable categories: culture vials and bottles, plugs and closures, and culture media. MBP provides all three for routine and large-scale fly laboratory operations.
&nbsp;
<h2 dir="ltr">Featured Products at MBP:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Drosophila Wide Vials and Narrow Vials for versatile culture sizing and clear specimen observation.
</li>
<li dir="ltr" aria-level="1">
Drosophila Wide and Narrow Vial Combo Packs for ready-to-use, complete breeding setups.
</li>
<li dir="ltr" aria-level="1">
Drosophila Wide and Narrow Vial Closure Plugs to ensure secure airflow and prevent escapes.
</li>
<li dir="ltr" aria-level="1">
Drosophila Bottles and Closure Plugs for robust large-scale colony housing.
</li>
<li dir="ltr" aria-level="1">
Drosophila Trays for organized, stackable, and space-saving storage solutions.
</li>
</ul>
&nbsp;
<h2 dir="ltr">Technical Specifications:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Aluminum Metal Trays and Plastic Trays for durable organization.
</li>
<li dir="ltr" aria-level="1">
Round Bottom and Square Bottom Bottles for different benchtop needs.
</li>
<li dir="ltr" aria-level="1">
PP, K-Resin, PS, and PE Material Options for varied clarity and chemical resistance.
</li>
<li dir="ltr" aria-level="1">
Bulk-Packed and Tray-Packed Packaging Types for high-volume lab efficiency.
</li>
</ul>
&nbsp;
<h2 data-section-id="fnjwt6" data-start="1168" data-end="1207">How to Choose Drosophila Consumables</h2>
&nbsp;
Culture Vials: Polystyrene vs Polypropylene
Polystyrene (PS) culture vials are widely used in Drosophila laboratories because of their excellent optical clarity. Researchers can easily observe fly activity, count offspring, and monitor food quality through the vial walls. These vials are commonly available in standard and narrow formats and are often preferred for routine colony maintenance and experimental work.
Polypropylene (PP) culture vials offer greater durability and can be autoclaved for sterilization. They are suitable for laboratories that reuse vials or operate workflows involving repeated washing and sterilization cycles. While slightly less transparent than polystyrene, polypropylene provides excellent resistance to physical damage and repeated handling.
Stock Bottles vs Culture Vials
Culture vials are typically used for individual fly stocks, single genetic crosses, and small-scale experiments. Their compact size makes them ideal for maintaining large numbers of separate fly lines.
Stock bottles provide greater capacity and are used for colony expansion, mass fly production, large-scale crosses, and eclosion collection. Their larger volume supports higher fly populations and greater quantities of culture media. Bottle designs are often optimized to minimize fly escape and improve handling during routine laboratory work.
Plugs and Closures
Cellulose acetate plugs are commonly considered the preferred closure option for Drosophila culture containers. Their dense structure promotes airflow while reducing moisture loss and helping protect cultures from contamination and mites.
Foam plugs are lightweight, reusable, and easy to handle, making them popular in high-volume laboratory environments where closures are repeatedly removed and replaced.
Paper lids are frequently used in automated filling operations and high-throughput culture systems where rapid processing is important.
Culture Media
Drosophila culture media provide the nutrients required for growth and reproduction. Dry-mix media formulations typically contain ingredients such as cornmeal, agar, yeast, and other nutritional components and are prepared by mixing with water and heating before use.
Ready-to-use media eliminate preparation steps and can be dispensed directly into culture containers, reducing labor and improving consistency in large-scale fly facilities.
&nbsp;
<h2 data-section-id="hwm9vz" data-start="3613" data-end="3647">Drosophila Consumables Overview</h2>
&nbsp;
Culture vials are available in polystyrene or polypropylene formats and are used for maintaining fly stocks, performing genetic crosses, and supporting routine laboratory experiments.
Stock bottles provide increased culture capacity and are commonly used for colony maintenance, large-scale breeding programs, and mass fly collection.
Cellulose acetate plugs serve as the primary closure system for many fly laboratories, helping maintain airflow while minimizing evaporation and contamination risks.
Foam plugs offer a reusable alternative that supports efficient handling in high-throughput environments.
Culture media, available as dry mixes or prepared formulations, supply the nutrients necessary for maintaining healthy Drosophila populations throughout experimental and breeding workflows.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4471" data-end="4496">Specifications Context</h2>
&nbsp;
Polystyrene Drosophila vials provide excellent optical clarity and feature straight-wall designs that facilitate filling, plugging, storage, and rack organization. Polypropylene vials offer durability, autoclave compatibility, and extended service life in reusable laboratory systems.
Cellulose acetate plugs are manufactured from non-shedding material that helps reduce evaporation and provides effective protection against contamination and mites. These closures are widely used in academic and commercial fly research facilities.
As of 2026, MBP supplies Drosophila vials, stock bottles, and related consumables in bulk quantities suitable for both routine laboratory use and large-scale fly room operations. Product availability, media options, and packaging configurations may vary based on current inventory and laboratory requirements.
<a href="https://mbpinc.net/contact-us">Request a quote from the helpful team at MBP</a> for competitive pricing.

Drosophila Products

Biologix Drosophila Bottles

Material: polypropylene and polyethylene are available · Firm, stiff neck for easier handling · Special designed neck to prevent the closures from falling in

6oz Square Bottom Bottles，Material：PP，Size：57*57*103mm，Volume：6oz（177ml），Package：200 bottles/bag，1 bag/case

6oz Square Bottom Bottles，Material：PE，Size：57*57*103mm，Volume：6oz（177ml），Package：200 bottles/bag，1 bag/case

6oz Square Bottom Bottles Combo，Material：PP（bottles），Size：57*57*103mm，Tray Packed，Volume：6oz（177ml），Package：25 bottles/tray，8 trays/case

6oz Square Bottom Bottles Combo，Material：PE（bottles），Size：57*57*103mm，Tray Packed，Volume：6oz（177ml），Package：25 bottles/tray，8 trays/case

8oz Round Bottom Bottles，Material：PP，Size：60*130mm，Volume：8oz（227ml），Package：100 bottles/bag，1 bag/case

8oz Round Bottom Bottles，Material：PE，Size：60*130mm，Volume：8oz（227ml），Package：100 bottles/bag，1 bag/case

8oz Round Bottom Bottles Combo，Material：PP（bottles），Size：60*130mm，Tray Packed，Volume：8oz（227ml），Package：25 bottles/tray，4 trays/case

8oz Round Bottom Bottles Combo，Material：PE（bottles），Size：60*130mm，Tray Packed，Volume：8oz（227ml），Package：25 bottles/tray，4 trays/case

Biologix Drosophila Trays

Plastic trays for narrow Vials · Dimension: 256*256*30mm

Drosophila Trays for Drosophila Narrow Vials, 2 Pcs/Case

Drosophila Trays for Drosophila vials and bottles, Aluminum Metal, 2 Pcs/Case

<h2 data-section-id="6wvx9q" data-start="0" data-end="44">What Are Narrow Mouth Laboratory Bottles?</h2>
&nbsp;
Narrow-mouth laboratory bottles are storage containers designed with a small neck opening, typically between 18 mm and 38 mm in diameter. This design allows for controlled pouring, minimizes evaporation, reduces contamination risk, and helps limit vapor loss when storing volatile liquids. The most common narrow-mouth bottle style is the Boston round, which features a cylindrical body, rounded shoulders, and a threaded neck that provides excellent durability and efficient liquid handling. Globe Scientific Diamond RealSeal narrow-mouth bottles are available in HDPE, LDPE, and polypropylene (PP) materials, with capacities ranging from 4 mL to 8 L. Amber HDPE versions are also available for storing light-sensitive chemicals and reagents. For most laboratory applications, HDPE remains the preferred material due to its excellent chemical resistance and low extractables, while PP is selected when autoclaving is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Small narrow mouth bottles (30&ndash;100 mL) for reagents and aliquots
</li>
<li dir="ltr" aria-level="1">
Medium bottles (125&ndash;500 mL) for routine laboratory use
</li>
<li dir="ltr" aria-level="1">
Large bottles (1&ndash;2 L) for bulk solution storage
</li>
<li dir="ltr" aria-level="1">
HDPE narrow mouth bottles for chemical-resistant applications
</li>
<li dir="ltr" aria-level="1">
Polypropylene bottles for autoclave-compatible workflows
</li>
<li dir="ltr" aria-level="1">
Amber narrow mouth bottles for light-sensitive reagents
</li>
<li dir="ltr" aria-level="1">
Graduated bottles for easy volume monitoring
</li>
</ul>
&nbsp;
<h2 data-section-id="1xrkoag" data-start="975" data-end="1012">How to Choose Narrow Mouth Bottles</h2>
&nbsp;
Material Selection
HDPE is the standard choice for general laboratory reagent storage because it offers broad chemical compatibility, excellent durability, and resistance to low temperatures. LDPE provides similar chemical resistance but with greater flexibility, making small bottles easier to squeeze and pour. Polypropylene bottles are suitable for applications requiring sterilization, as they can withstand autoclaving at 121&deg;C. Amber HDPE bottles are recommended for photosensitive compounds because they reduce exposure to UV and visible light that may degrade sensitive materials.
Volume Requirements
Small-volume bottles from 4 mL to 30 mL are commonly used for standards, reference materials, working solutions, and sample transport. Medium-sized bottles ranging from 60 mL to 500 mL are ideal for routine laboratory reagents, buffers, and water samples. Larger formats from 1 L to 8 L are typically used for bulk reagent storage, field sampling, media preparation, and industrial laboratory applications where larger quantities of liquid must be stored safely.
Closure Compatibility
Closure size is an important consideration when selecting narrow-mouth bottles. Smaller bottles typically use 18 mm closures, medium bottles commonly use 24 mm or 28 mm closures, and larger bottles use 38 mm closures. Using the correct cap size ensures a proper seal and prevents leaks, evaporation, and thread damage caused by mismatched closures.
Diamond RealSeal vs. Diamond Essentials
Diamond RealSeal bottles are supplied with attached caps and are individually packaged to provide convenience and consistent quality. Diamond Essentials bottles are designed for high-volume users and are supplied in bulk packaging, with bottles and caps packaged separately. Laboratories processing large numbers of samples often choose the Diamond Essentials range to reduce packaging costs while maintaining the same bottle performance.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3600" data-end="3625">Specifications Context</h2>
&nbsp;
Globe Scientific Diamond RealSeal narrow-mouth Boston round bottles are manufactured from virgin FDA-compliant resins and feature precision-molded construction with consistent wall thickness for reliable performance. The Diamond RealSeal polypropylene closure incorporates an integral sealing system that provides leak-resistant storage without the need for separate liners or gaskets. These bottles are widely used across pharmaceutical, environmental, clinical, food testing, cosmetics, water analysis, and industrial laboratories. As of 2026, 250 mL and 500 mL HDPE narrow-mouth Boston round bottles remain among the most commonly used formats for reagent storage, environmental sampling, and analytical laboratory applications.&nbsp;
<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Connect with the MBP team today</a> to explore our full range of dimensions and material specifications, and find the perfect narrow-mouth bottle for your laboratory&rsquo;s daily demands.

Narrow Mouth Bottles

Biologix HDPE Reagent Bottles-Narrow Mouth  (Caps and Bottles packed separatedly)

Made of HDPE · Uniform wall thickness and strength, impact-resistant, great chemical resistance to most acid, alkali, and alcohol

4ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR,  200/BAG, 10 BAGS/CASE

4ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 200/BAG, 10 BAGS/CASE

8ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 100/BAG, 10 BAGS/CASE

15ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 100/BAG, 10 BAGS/CASE

15ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 100/BAG, 10 BAGS/CASE

30ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 100/BAG, 10 BAGS/CASE

30ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 100/BAG, 10 BAGS/CASE

60ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 50/BAG, 10 BAGS/CASE

60ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 50/BAG, 10 BAGS/CASE

125ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 25/BAG, 10 BAGS/CASE

125ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 25/BAG, 10 BAGS/CASE

250ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 20/BAG, 10 BAGS/CASE

250ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 20/BAG, 10 BAGS/CASE

500ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 10/BAG, 10 BAGS/CASE

500ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 10/BAG, 10 BAGS/CASE

1000ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP.GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. NATURAL COLOR. 5/BAG, 10 BAGS/CASE

1000ML HDPE BOTTLES. HDPEMADE BOTTLE, PP CAP. GREAT CHEMICAL RESISTANCE FOR MOST ACID, ALKALI AND ALCOHOL. WITHOUT A LINER. OPAQUE BROWN DESIGN, WHICH CAN REDUCE THE UV TRANSMISSION AND PROTECT PHOTOSENSITIVE CONTENTS. 5/BAG, 10 BAGS/CASE

Biologix PP Reagent Bottles-Narrow Mouth  (Caps and Bottles packed separatedly)

Made ofdurable medical grade polypropylene, autoclavable·Uniform wall thickness and strength, impact-resistant

4ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN. 200/BAG, 10 BAGS/CASE

4ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN.  200/BAG, 10 BAGS/CASE

8ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN. 100/BAG, 10 BAGS/CASE

8ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN.  100/BAG, 10 BAGS/CASE

15ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN. 100/BAG, 10 BAGS/CASE

15ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 100/BAG, 10 BAGS/CASE

30ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN.100/BAG, 10 BAGS/CASE

30ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 100/BAG, 10 BAGS/CASE

60ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN. 50/BAG, 10 BAGS/CASE

60ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 50/BAG, 10 BAGS/CASE

125ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN. 25/BAG, 10 BAGS/CASE

125ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 25/BAG, 10 BAGS/CASE

250ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN.20/BAG, 10 BAGS/CASE

250ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 20/BAG, 10 BAGS/CASE

500ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN.10/BAG, 10 BAGS/CASE

500ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 10/BAG, 10 BAGS/CASE

1000ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN.5/BAG, 10 BAGS/CASE

1000ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 5/BAG, 10 BAGS/CASE

<h2 data-section-id="dscteu" data-start="0" data-end="42">What Are Wide Mouth Laboratory Bottles?</h2>
&nbsp;
Wide-mouth laboratory bottles are storage containers designed with a broad neck opening, typically ranging from 38 mm to 63 mm in diameter, allowing easy filling, dispensing, and cleaning. Their large opening makes them ideal for handling powders, granules, viscous liquids, biological samples, and other materials that are difficult to transfer through narrow-neck containers. Globe Scientific Diamond RealSeal wide-mouth bottles are available in several materials, including HDPE, polypropylene (PP), LDPE, and PETG, each suited to different laboratory applications. HDPE bottles offer excellent chemical resistance and low-temperature performance, PP bottles provide autoclavability, LDPE bottles offer flexibility, and PETG bottles are commonly used for sterile media storage. For laboratories requiring maximum storage efficiency and sterilization capability, PP square wide-mouth bottles are often the preferred option because they are autoclavable and utilize shelf space more effectively than round bottles.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Wide mouth bottles in multiple capacities (50 mL, 100 mL, 250 mL, 500 mL, 1 L, 2 L)
</li>
<li dir="ltr" aria-level="1">
HDPE wide mouth storage bottles for general laboratory use
</li>
<li dir="ltr" aria-level="1">
Polypropylene (PP) autoclavable bottles for sterile applications
</li>
<li dir="ltr" aria-level="1">
Clear wide mouth bottles for easy sample visibility
</li>
<li dir="ltr" aria-level="1">
Amber wide mouth bottles for light-sensitive reagents
</li>
<li dir="ltr" aria-level="1">
Graduated bottles for accurate volume measurement
</li>
</ul>
&nbsp;
<h2 data-section-id="vq7xyo" data-start="1061" data-end="1096">How to Choose Wide Mouth Bottles</h2>
&nbsp;
Round vs. Square Design
Round wide-mouth bottles are the traditional laboratory format and fit easily into standard storage racks and holders. Their curved interior walls help reduce material retention during dispensing and cleaning. Square bottles maximize storage efficiency by reducing unused space between containers on shelves and inside refrigerators. They also provide flat surfaces for labels, making identification easier and improving label adhesion. Laboratories managing large inventories often favor square bottles for their superior space utilization.
Material and Temperature Requirements
HDPE wide-mouth bottles are suitable for general-purpose chemical, reagent, and sample storage. They offer broad chemical compatibility and can be used in low-temperature environments, including standard laboratory freezers and many ultra-low temperature applications. Polypropylene wide-mouth bottles are the preferred choice when sterilization is required, as they can be autoclaved at 121&deg;C without deformation. LDPE bottles provide flexibility and are useful when gentle squeezing or easy handling is beneficial, although they are not intended for autoclaving. PETG bottles combine excellent clarity with durability and are commonly selected for sterile media preparation and storage.
Amber Bottles for Light-Sensitive Materials
Amber wide-mouth bottles help protect photosensitive materials from UV and visible light exposure. They are commonly used for storing light-sensitive powders, chemicals, biological reagents, and pharmaceutical compounds. When long-term light protection is required, amber HDPE bottles provide an effective and economical storage solution.
Volume Selection
Smaller bottles in the 30&ndash;60 mL range are ideal for standards, reference materials, and small sample aliquots. Mid-size bottles between 125 mL and 500 mL are commonly used for working reagents, buffers, and routine laboratory materials. Larger bottles ranging from 1 L to 2 L are suitable for bulk powders, stock solutions, and frequently accessed laboratory reagents.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3843" data-end="3868">Specifications Context</h2>
&nbsp;
Globe Scientific Diamond RealSeal HDPE and PP wide-mouth bottles are manufactured from virgin FDA-compliant resins and feature smooth interior surfaces and consistent wall thickness for reliable performance. The Diamond RealSeal closure system uses an integral-seal polypropylene cap that provides a secure, leak-resistant closure without requiring separate liners or gaskets. The Diamond Essentials line offers bulk-packaged HDPE bottles for high-volume laboratory operations where cost efficiency is important. As of 2026, 250 mL and 500 mL HDPE wide-mouth bottles remain among the most commonly used formats in research, pharmaceutical, academic, and industrial laboratories for reagent and sample storage. Explore narrow mouth bottles for liquid-focused applications and wash mouth bottles for controlled squeeze dispensing.
For product details, specifications, or bulk purchasing support, <a href="https://mbpinc.net/contact-us">the MBP team is ready to assist</a> with the right solution for your laboratory needs.

Wide Mouth Bottles

Biologix PP Wide-Mouth Reagent Bottles, Amber

Amber bottles can reduce the uv transmission and protect photosensitive contents.

8ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 100/BAG, 10 BAGS/CASE

8ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 100/BAG, 10 BAGS/CASE

15ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN.; STERILE, 100/BAG, 10 BAGS/CASE

30ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 100/BAG, 10 BAGS/CASE

60ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 50/BAG, 10 BAGS/CASE

125ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE,  25/BAG, 10 BAGS/CASE

250ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE,  20/BAG, 10 BAGS/CASE

500ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 10/BAG, 10 BAGS/CASE

1000ML PP WIDE-MOUTH BOTTLES. PP. AMBER. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 5/BAG, 10 BAGS/CASE

Biologix PP Wide-Mouth Reagent Bottles, Clear

Clear Biologix PP Wide-Mouth Reagent Bottles enable convenient observation of inner content.\nStrong, medical-grade polypropylene, Autoclave.

8ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 100/BAG, 10 BAGS/CASE

8ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 100/BAG, 10 BAGS/CASE

15ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN.100/BAG, 10 BAGS/CASE

15ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE.DNASE & RNASE FREE, NON-PYROGEN; STERILE, 100/BAG, 10 BAGS/CASE

30ML PP WIDE-MOUTH BOTTLES. PP.  CLEAR COLOR. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN.100/BAG, 10 BAGS/CASE

30ML PP WIDE-MOUTH BOTTLES. PP.  CLEAR COLOR. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE, 100/BAG, 10 BAGS/CASE

60ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN. 50/BAG, 10 BAGS/CASE

60ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE. DNASE & RNASE FREE, NON-PYROGEN; STERILE,  50/BAG, 10 BAGS/CASE

125ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE, DNASE & RNASE FREE, NON-PYROGEN. 25/BAG, 10 BAGS/CASE

125ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE, DNASE & RNASE FREE, NON-PYROGEN; STERILE,  25/BAG, 10 BAGS/CASE

250ML PP WIDE-MOUTH BOTTLES. PP.CLEAR COLOR. AUTOCLAVABLE,  DNASE & RNASE FREE, NON-PYROGEN. 20/BAG, 10 BAGS/CASE

250ML PP WIDE-MOUTH BOTTLES. PP.CLEAR COLOR. AUTOCLAVABLE,  DNASE & RNASE FREE, NON-PYROGEN; STERILE,  20/BAG, 10 BAGS/CASE

500ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE, DNASE & RNASE FREE, NON-PYROGEN. 10/BAG, 10 BAGS/CASE

500ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE, DNASE & RNASE FREE, NON-PYROGEN; STERILE,  10/BAG, 10 BAGS/CASE

1000ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE, DNASE & RNASE FREE, NON-PYROGEN. 5/BAG, 10 BAGS/CASE

1000ML PP WIDE-MOUTH BOTTLES. PP. CLEAR COLOR. AUTOCLAVABLE, DNASE & RNASE FREE, NON-PYROGEN; STERILE,  5/BAG, 10 BAGS/CASE

Biologix Screw Caps for Microtubes (O-Ring)

BIOLOGIX CLEAR POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK, 10 PACKS/CASE

BIOLOGIX PINK POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK, 10 PACKS/CASE

BIOLOGIX GREEN POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK, 10 PACKS/CASE

BIOLOGIX BLUE POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK, 10 PACKS/CASE

BIOLOGIX YELLOW POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK, 10 PACKS/CASE

BIOLOGIX BROWN COLOR, POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK,  10 PACKS/CASE

BIOLOGIX ASSORTED COLOR (CLEAR, PINK, BLUE, GREEN AND YELLOW) POLYPROPYLENE NON-STERILE SCREW CAP WITH O-RING SEAL (FOR USE WITH MICROTUBES).  TUBES SOLD SEPARATELY.  500 CAPS/PACK,  10 PACKS/CASE

<h2 dir="ltr">What are Test Tubes?</h2>
 Test tubes for laboratory use are open-ended, cylindrical glass or plastic tubes used to hold, mix, incubate, and heat liquid and solid samples across a broad range of applications: bacteriological culture, tissue culture, clinical chemistry, serological assays, immunology, and general sample processing. Choose borosilicate glass for reusable, high-temperature, or chemically demanding applications; choose polystyrene disposable 12&times;75 mm tubes for flow cytometry and colorimetric assays; choose polypropylene capped tubes for microbial culture with anaerobic or gas-generating organisms.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">Glass test tubes in diverse formats for heating and chemical reaction workflows</li>
<li dir="ltr" aria-level="1">
Plastic polypropylene test tubes for routine laboratory use
</li>
<li dir="ltr" aria-level="1">
Graduated tubes for quick and easy volume estimation
</li>
<li dir="ltr" aria-level="1">
Conical and round-bottom tube formats for different applications
</li>
<li dir="ltr" aria-level="1">
Sterile disposable test tubes for clinical and diagnostic work
</li>
<li dir="ltr" aria-level="1">
Heat-resistant tubes for incubation and controlled heating steps
</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Test Tubes</h2>
 Material: Glass vs. Polypropylene vs. Polystyrene Borosilicate glass 3.3 (ASTM E438 Type I, Class B) test tubes withstand direct flame, autoclave sterilization at 121 &deg;C, and most solvents, acids, and bases. They are reusable and autoclavable, making them cost-effective over high-volume laboratory runs. Polystyrene (PS) disposable tubes offer outstanding optical clarity for flow cytometry (FACS), cell counting, and OD-based colorimetric assays, but cannot be autoclaved and should not be used with aromatic solvents or strong acids. Polypropylene (PP) tubes are chemically resistant, autoclavable, and available with screw caps for anaerobic culture or gas-generating reactions. Rimmed vs. Rimless Rimless test tubes (fire-polished ends) allow easier insertion of rubber or silicone stoppers and are preferred for plugging with cotton wool for microbial culture. Rimmed tubes have a flared lip that facilitates pouring and is compatible with spring-metal tube closures. Confirm your closure type before ordering in bulk. Size and Volume The most common test tube dimensions in clinical and research labs: 12&times;75 mm: ~5 mL capacity; standard for flow cytometry, FACS, serology 13&times;100 mm: ~10 mL; general culture and chemistry 16&times;100 mm: ~14 mL; culture and chemistry 16&times;125 mm: ~17 mL; microbiological culture 18&times;150 mm: ~25 mL; larger-volume digests and culture Wall thickness of 1.2 mm (light wall, borosilicate 3.3) is the standard for general lab use; heavy-wall versions are used for digestions and applications involving vacuum or pressure. Sterile vs. Non-Sterile Sterile borosilicate glass culture tubes (individually wrapped or bulk-sterilized) are required for microbial culture, cell culture, and any application where contamination would invalidate the result. Non-sterile tubes are adequate for chemistry, spectroscopy, and other abiotic applications. Disposable PS tubes from Corning (PYREX&trade;) and Globe Scientific are supplied sterile or non-sterile; confirm the specification on the lot certificate. 
<h2 dir="ltr"> Specifications Context</h2>
 Borosilicate glass 3.3 test tubes have a linear thermal expansion coefficient of 3.3 &times; 10⁻⁶ K⁻&sup1;, providing resistance to thermal shock from room temperature to 300 &deg;C (direct flame) and from 0 to 121 &deg;C (autoclave cycles). Light-wall tubes (1.2 mm uniform wall thickness) provide the standard for general laboratory use; heavy-wall variants (2.0 mm) are used for digestion vessels and pressurized applications. Corning PYREX&trade; disposable round-bottom rimless glass tubes for tissue culture conform to ASTM standards and are the reference format for bacteriological serology and cell wash procedures. MBP supplies Globe Scientific and NEST Scientific test tube lines for research and clinical labs across the USA, Canada, and worldwide. &nbsp; 
If you&rsquo;re choosing between glass and plastic or trying to match the right size to your workflow, it&rsquo;s worth getting that part right early &mdash; it makes everything downstream smoother and a lot less messy. <a href="https://mbpinc.net/contact-us">Contact the MBP team now!</a>

Test Tubes

Biologix® Test Tubes (Polystyrene)

5ml, 8ml PS, PP 12x75mm, 13x100mm conical bottom Cylindrical Test Tube

BIOLOGIX 12X75MM (5ML) CLEAR POLYSTYRENE NON-STERILE TEST TUBES.  CAPS SOLD SEPARATELY. 500 TUBES/PACK, 4 PACKS/CASE

BIOLOGIX 13X100MM (8ML) CLEAR POLYSTYRENE NON-STERILE TEST TUBES.  CAPS SOLD SEPARATELY. 250 TUBES/PACK, 8 PACKS/CASE

Biologix® Test Tubes Caps

BIOLOGIX 12X13.5MM BLUE POLYETHYLENE NON-STERILE CAP (FOR USE WITH TEST TUBES).  TUBES SOLD SEPARATELY.  1,000 CAPS/PACK, 2 PACKS/CASE

BIOLOGIX 12X17.5MM RED POLYETHYLENE NON-STERILE CAP (FOR USE WITH TEST TUBES).  TUBES SOLD SEPARATELY.  1,000 CAPS/PACK, 2 PACKS/CASE