Tubes & Sample Collection

Wash Bottles

<h2 data-section-id="gy6c1g" data-start="0" data-end="42">What Are Laboratory Wash Mouth Bottles?</h2>
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Laboratory wash bottles, also known as squeeze bottles or wash mouth bottles, are flexible LDPE containers available in 250 mL, 500 mL, and 1000 mL capacities. They feature a narrow dispensing nozzle or integrated draw-tube spout that delivers a controlled stream of liquid when the bottle is squeezed by hand. The flexibility of LDPE enables this dispensing action, making it the preferred material for wash bottles. These bottles are commonly used for rinsing laboratory glassware with distilled or deionized water, dispensing solvents during sample preparation, flushing residues during titrations and extractions, and directing liquids into narrow-neck vessels. Globe Scientific wash bottles are available with color-coded polypropylene caps and GHS-labeled safety-vented options for handling volatile solvents. Safety-vented wash bottles should always be used with volatile solvents such as ethanol, methanol, isopropanol, and acetone to prevent pressure build-up caused by vapor expansion.
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<h2 dir="ltr">What you will find: </h2>
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Laboratory wash mouth squeeze bottles for controlled rinsing
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Chemical-resistant LDPE wash bottles for routine lab use
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Narrow-tip dispensing bottles for precise liquid flow
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Distilled water wash bottles for cleaning applications
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Buffer solution dispensing bottles for lab workflows
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Reagent-grade wash bottles for general handling tasks
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Durable plastic squeeze bottles for daily laboratory use
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Flexible wash bottles designed for repeated bench operations
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General-purpose rinse bottles for multi-use lab environments
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<h2 data-section-id="zngmf6" data-start="1041" data-end="1076">How to Choose Wash Mouth Bottles</h2>
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Vented vs. Non-Vented
Non-vented wash bottles are suitable for deionized water, distilled water, and other non-volatile aqueous solutions. Safety-vented wash bottles include a pressure-relief vent in the dispensing nozzle, allowing solvent vapors to escape safely and reducing the risk of pressure accumulation. These bottles are recommended for volatile solvents such as ethanol, methanol, isopropanol, and acetone. Globe Scientific GHS-labeled wash bottles combine safety venting with pre-printed hazard labeling for improved chemical identification and compliance.
Color-Coded Cap System
Color-coded caps help prevent reagent mix-ups in busy laboratory environments. A commonly used convention is blue for water, red for ethanol, yellow for isopropanol, green for methanol, and white for custom labeling or general use. Establishing a consistent color-coding system throughout the laboratory helps improve safety and workflow efficiency.
Wide Mouth vs. Standard Design
Standard wash bottles use a narrow draw tube extending to the base of the bottle, allowing liquid dispensing while the bottle remains upright. Wide-mouth wash bottles feature a larger neck opening, making refilling from bulk containers, carboys, or reagent bottles faster and easier. Laboratories that refill bottles frequently often prefer wide-mouth designs to reduce spills and simplify handling.
Volume Selection
The 500 mL wash bottle is the most common laboratory size, providing a balance between capacity and ease of handling. A 250 mL bottle is ideal when smaller volumes are sufficient or greater dispensing control is required. For high-throughput environments where liquids are used continuously, 1000 mL bottles minimize refill frequency and improve efficiency.
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<h2 data-section-id="1jl751w" data-start="3495" data-end="3520">Specifications Context</h2>
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Globe Scientific Diamond RealSeal LDPE wash bottles feature an integral-seal polypropylene screw cap and draw-tube assembly for reliable dispensing. Wide-mouth models incorporate a larger neck opening to facilitate rapid refilling while retaining the same dispensing performance. GHS-labeled wash bottles are designed to support compliance with Globally Harmonized System (GHS) chemical hazard communication requirements and are widely used for solvent handling in research, pharmaceutical, industrial, and educational laboratories. As of 2026, safety-vented GHS-labeled wash bottles are considered standard practice in laboratories handling flammable solvents on the bench. Explore wide mouth bottles and narrow mouth bottles for applications requiring long-term liquid storage rather than squeeze dispensing.
<a href="https://mbpinc.net/contact-us">Request a quote from the MBP team</a> for product specifications, availability, and bulk purchasing support.

Wash Mouth Bottles

Wash Bottles, DIY, Vented

WGW001VTML by Globe Scientific is a 250mL LDPE DripLok® Do-It-Yourself safety-vented wash bottle with a blank write-on panel for custom reagent labeling. The DripLok vented cap prevents internal pressure build-up from volatile solvents, reducing the risk of unintended squirting when the bottle is squeezed. Indelible safety printing in English, French, and German and a set of adhesive hazard labels are included, making this bottle suitable for multilingual laboratory environments handling hazardous or flammable wash reagents.

Manufacture

Wash bottle, wide mouth,250mL, DIY write-on,vented,LDPE,white, BOX/5

Wash bottle, wide mouth,500mL, DIY write-on,vented,LDPE,white, BOX/5

Wash bottle, wide mouth,1000mL, DIY write-on,vented,LDPE,white, BOX/5

Wash bottle, wide mouth, Plain

Globe Scientific WGW230P 250 mL wide-mouth LDPE wash bottle, white PP screwcap. Square-shouldered design for spill-free filling; precision jet-tip for controlled dispensing. Box of 5.

Wash bottle, wide mouth, 250mL, LDPE, round, blue screwcap, BOX/5

Wash bottle, wide mouth, 500mL, LDPE, round, blue screwcap, BOX/5

Wash bottle, wide mouth,1000mL, LDPE, round, blue screwcap, BOX/5

Wash bottle, wide mouth, 250mL, LDPE, round, white screwcap, BOX/5

Wash bottle, wide mouth, 250mL, LDPE, round, red screwcap, BOX/5

Wash bottle, wide mouth, 250mL, LDPE, round, yellow screwcap, BOX/5

Wash bottle, wide mouth, 250mL, LDPE, round, green screwcap, BOX/5

Wash bottle, wide mouth, 500mL, LDPE, round, white screwcap, BOX/5

Wash bottle, wide mouth, 500mL, LDPE, round, red screwcap, BOX/5

Wash bottle, wide mouth, 500mL, LDPE, round, yellow screwcap, BOX/5

Wash bottle, wide mouth, 500mL, LDPE, round, green screwcap, BOX/5

Wash bottle, wide mouth,1000mL, LDPE, round, white screwcap, BOX/5

Wash bottle, wide mouth,1000mL, LDPE, round, yellow screwcap, BOX/5

Wash bottle, wide mouth,1000mL, LDPE, round, red screwcap, BOX/5

Wash bottle, wide mouth,1000mL, LDPE, round, green screwcap, BOX/5

Flyer

Wash bottles, GHS Labeled, Assorted Pack: Acetone, Methanol, Isopropanol, Ethanol and Distilled Water, 5/Bag

Globe Scientific WGW500AST-GHS is an assorted 5-pack of GHS/OSHA-compliant 500 mL LDPE wash bottles — acetone (red), methanol (green), isopropanol (yellow), ethanol (orange), distilled water (white) — with patented DripLok® valve, safety-vented caps on solvent bottles, jet-tip dispensing, and tri-lingual labels (English, French, Spanish). Fully assembled, ready to use.

Wash bottles, GHS Labeled, Assorted Pack: Acetone, Methanol, Isopropanol, Ethanol and Distilled Water, BOX/5

Wash bottle, Acetone, 500mL, LDPE,multi-lingual,vented,red, GHS Labeled, BOX/5

Wash bottle, Acetone, 500mL, LDPE,multi-lingual,vented,red, GHS Labeled, EA

Wash bottle, Methanol, 500mL, LDPE,multi-lingual,vent,green, GHS Labeled, BOX/5

Wash bottle, Methanol, 500mL, LDPE,multi-lingual,vent,green, GHS Labeled, EA

Wash bottle, Isopropanol,500mL, LDPE,multi-lingual,vented, yellow, GHS Labeled, BOX/5

Wash bottle, Isopropanol,500mL, LDPE,multi-lingual,vented, yellow, GHS Labeled, EA

Wash bottle, Ethanol, 500mL, LDPE,multi-lingual,vent,orange, GHS Labeled, BOX/5

Wash bottle, Ethanol, 500mL, LDPE,multi-lingual,vent,orange, GHS Labeled, EA

Wash bottle, Distilled Water, 500mL, LDPE,multi-lingual,round,white, GHS Labeled, BOX/5

Wash bottle, Distilled Water, 500mL, LDPE,multi-lingual,round,white, GHS Labeled, EA

Wide Mouth Bottles

<h2 data-section-id="dscteu" data-start="0" data-end="42">What Are Wide Mouth Laboratory Bottles?</h2>
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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.
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<h2 dir="ltr">What you will find:</h2>
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Wide mouth bottles in multiple capacities (50 mL, 100 mL, 250 mL, 500 mL, 1 L, 2 L)
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HDPE wide mouth storage bottles for general laboratory use
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Polypropylene (PP) autoclavable bottles for sterile applications
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Clear wide mouth bottles for easy sample visibility
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Amber wide mouth bottles for light-sensitive reagents
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Graduated bottles for accurate volume measurement
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<h2 data-section-id="vq7xyo" data-start="1061" data-end="1096">How to Choose Wide Mouth Bottles</h2>
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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.
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<h2 data-section-id="1jl751w" data-start="3843" data-end="3868">Specifications Context</h2>
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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.

Globe Scientific BWH0060PN (Azlon) is a 60 mL wide-mouth round HDPE sample bottle with a polypropylene screwcap (~1.5 turns), translucent and rigid, with good chemical resistance. Box of 10.

Bottle, wide mouth,60mL,HDPE, round, PP screwcap, BOX/10

Bottle, wide mouth, 60mL, PP, graduated, round, PP screwcap, BOX/10

Bottle, wide mouth, 250mL, PP, graduated, round, PP screwcap, BOX/10

Bottle, wide mouth, 1000mL, PP, graduated, round, PP screwcap, BOX/5

Wide Mouth Wash Bottle, PE

601638 by Globe Scientific is a 500mL wide-mouth polyethylene wash bottle with color-coded anti-drip caps that prevent involuntary dripping caused by internal pressure build-up. The wide-mouth design speeds filling and eliminates the need for a funnel, while the color-coded cap system enables rapid visual identification of bottle contents — available in blue, red, and yellow cap variants — making these bottles practical for labs handling multiple reagents, hazardous solvents, or radioactive wash solutions simultaneously.

Wash Bottle, Squeeze with Wide Mouth, Screwcap, PE, 500mL, Blue, CS/10

Wash Bottle, Squeeze with Wide Mouth, Screwcap, PE, 500mL, Clear/Natural, CS/10

Wash Bottle, Squeeze with Wide Mouth, Screwcap, PE, 500mL, Red, CS/10

Wash Bottle, Squeeze with Wide Mouth, Screwcap, PE, 500mL, Yellow, CS/10

Capillary Tubes

<h2 dir="ltr">What are Capillary Tubes? </h2>
 Capillary tubes for laboratory use are thin-walled, open-ended tubes&mdash;typically 75 mm long with an internal diameter of 1.1&ndash;1.2 mm&mdash;that collect microvolume blood samples (40&ndash;80 &micro;L) by capillary action from finger-stick or heel-stick punctures, directly from anticoagulated blood collection tubes, or from blood gas analyzers. They are the primary consumables for the micro-hematocrit (packed cell volume, PCV) determination: tubes are filled, sealed, centrifuged at 10,000&ndash;14,500 RPM for 5 minutes, and the ratio of packed red cells to total blood column is read against a hematocrit chart. Globe Scientific manufactures both soda lime glass and plastic (unbreakable) micro-hematocrit capillary tubes, as well as pre-calibrated borosilicate glass tubes for blood gas applications. Choose heparinized capillary tubes for direct finger-stick collection from untreated blood; choose plain (untreated) tubes when filling from an anticoagulated blood collection tube.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" role="presentation">Glass capillary tubes for micro-volume liquid transfer</li>
<li dir="ltr" role="presentation">Heparinized capillary tubes for blood sample collection</li>
<li dir="ltr" role="presentation">Plain capillary tubes for general laboratory applications</li>
<li dir="ltr" role="presentation">Micro-hematocrit capillary tubes for blood analysis</li>
<li dir="ltr" role="presentation">Sealed-end and open-end capillary tubes for flexible workflows</li>
<li dir="ltr" role="presentation">Disposable precision-bore tubes for single-use sampling</li>
<li dir="ltr" role="presentation">Calibrated microcapillary tubes for consistent volume uptake</li>
<li dir="ltr" role="presentation">Thin-walled tubes for rapid capillary action filling</li>
<li dir="ltr" role="presentation">Sterile capillary tubes for diagnostic applications</li>
<li dir="ltr" role="presentation">General-purpose laboratory micro-sampling tubes</li>
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<h2 dir="ltr"> How to Choose Capillary Tubes</h2>
 Plain vs. Heparinized Plain capillary tubes (blue tip, Globe Scientific) are used when filling from a pre-anticoagulated specimen (EDTA or citrate blood collection tube). Heparinized tubes prevent clotting in samples collected directly from a skin puncture: ammonium heparin&ndash;coated tubes (green tip) and sodium heparin&ndash;coated tubes (red tip) are both available. The tip color is the universal identifier &mdash; confirm the coding convention with your supplier before ordering, as some manufacturers reverse the color assignments. Glass vs. Plastic Soda lime glass capillary tubes (Globe Scientific catalog 51602&ndash;51607) provide excellent capillary action, low surface adsorption, and superior optical clarity for reading the hematocrit column. Plastic capillary tubes (catalog 51620) eliminate the sharps hazard from glass breakage during centrifugation&mdash;a significant occupational safety consideration for high-volume clinical labs processing hundreds of hematocrit determinations daily. Both formats fit standard 75 mm hematocrit centrifuges. Pre-Calibrated (Blood Gas) Tubes Pre-calibrated borosilicate glass capillary tubes (Globe Scientific catalog 51628, I.D. 0.55 mm &plusmn; 0.03 mm) are precision-ground for blood gas and co-oximetry analyzers requiring specific internal volume tolerance. These differ from standard hematocrit tubes in inner diameter; using the wrong tube in a blood gas analyzer causes instrument error codes and inaccurate analyte results. Centrifuge Compatibility All 75 mm micro-hematocrit capillary tubes are compatible with standard hematocrit centrifuges rated for 10,000&ndash;14,500 RPM. Confirm your centrifuge head accepts the tube O.D. (1.5 mm &plusmn; 0.05 mm for Globe Scientific glass tubes) before ordering in bulk.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific soda lime glass micro-hematocrit capillary tubes have an I.D. of 1.15 mm &plusmn; 0.05 mm, O.D. of 1.5 mm &plusmn; 0.05 mm, and a length of 75 mm &plusmn; 1 mm, with a fill volume of approximately 75 &micro;L. The standard centrifugation protocol is 10,000&ndash;14,500 RPM for 5 minutes in a dedicated hematocrit centrifuge. Normal hematocrit ranges: 38&ndash;50% for adult males, 35&ndash;47% for adult females; values outside this range, combined with elevated ESR and other CBC parameters, are used to evaluate anemia, polycythemia, and inflammatory conditions. As of 2026, Globe Scientific is an ISO 9001:2015&ndash;certified manufacturer and MBP-stocked supplier of both glass and plastic capillary tube formats. 
For specifications, size options, or bulk ordering support, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">connect with the MBP team</a> to choose the right capillary solution for your laboratory application.

51602-Group-Lab Supplies for Physicians Offices

Soda Lime Glass Micro-Hematocrit Capillary Tubes

51602 by Globe Scientific are plain (blue-tip) soda lime glass micro-hematocrit capillary tubes measuring 75 mm × 1.15 mm ID, holding ~75 µL, rated for 14,500 RPM centrifugation. ISO 9001:2015 manufactured; supplied 1,000 tubes per box (10 vials × 100). For use with anticoagulated blood specimens in PCV/hematocrit determination.

Capillary Tube, Microhematocrit, Soda Lime Glass, Blue Tip, Plain, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, Soda Lime Glass, Green Tip, Ammonium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, Soda Lime Glass, Red Tip, Sodium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

51680-Group-Lab Supplies for Physicians Offices

Plastic Micro-Hematocrit Capillary Tubes

51680 by Globe Scientific is a plain, blue-tip plastic (PETG) micro-hematocrit capillary tube — 75 mm long, 1.55 mm OD, 0.90 mm ID, 45 µL volume. Unbreakable plastic eliminates glass breakage risk; spin rate 12,000 RPM for 4 minutes. 1,000 tubes per box. Complies with FDA, NIOSH, CDC, and OSHA safety recommendations.

Capillary Tube, Microhematocrit, 100% PLASTIC, Blue Tip, Plain, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, 100% PLASTIC, Green Tip, Ammonium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, 100% PLASTIC, Red Tip, Sodium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

51601-Group-Lab Supplies for Physicians Offices

Capillary Tube Accessories

51601 by Globe Scientific is a capillary tube sealing tray with a non-toxic, non-drying wax compound sealant and 24 numbered positions for patient identification. Provides a leak-tight seal on hematocrit and standard capillary tubes without heat sealing; withstands standard microhematocrit centrifugation. For POL, clinical, and hematology lab use.

Bulb, for Capillary Tubes, EA

Bulb, for Capillary Tubes, BAG/10

Bulb, for Capillary Tubes, 10/Bag, 10 Bags/Unit, CS/100

Capillary Tube Holding Tray with Sigillum Wax Sealant, 24-Place, BOX/10

End Caps, for Capillary Tubes, BOX/500

51628-Lab Supplies for Physicians Offices

Capillary Tube, Microhematocrit, Borosilicate Glass, Precalibrated, 100/Vial, 10 Vials/Unit, BOX/1000

Globe Scientific 51628 — borosilicate glass microhematocrit capillary tubes, ammonium heparin–treated, precalibrated with a black 60 mm line. ID 0.55 mm, OD 1.55 mm, length 75 mm, 18 µL capacity. Box of 1,000 (100/vial × 10 vials). For packed cell volume (PCV) determination in clinical and veterinary hematology.

Stirring Mixing Wire for Blood Gas Capillaries, 0.6mm x 9mm, Steel, 250/Vial, BOX/2500

51701 by MBP Inc: 0.6 mm × 9 mm steel mixing wires for magnetically agitating whole-blood in sealed heparinized blood gas capillary tubes before analysis. Supplied 250 wires/vial in a BOX/2500 (10 vials).

15ml & 50ml Centrifuge Tubes

<h2 data-section-id="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
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The All Centrifuge Tubes collection includes the complete range of tube sizes commonly used in research, clinical, and laboratory environments. These tubes range from small 0.5 mL and 1.5&ndash;2 mL microtubes used in microcentrifuge applications to 5 mL and 10 mL midi tubes for intermediate sample volumes, as well as 15 mL and 50 mL conical tubes designed for cell culture, density gradient preparation, and larger-volume sample processing. They are available in polypropylene (PP) for enhanced chemical resistance and temperature tolerance or polystyrene (PS) for improved optical clarity.
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What you will find:
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
</li>
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
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<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
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Volume and Rotor Compatibility
Selecting the correct tube size is essential for safe and efficient centrifugation. Microtubes ranging from 0.5&ndash;2 mL are designed for microcentrifuges, while 5&ndash;10 mL midi tubes fit compatible benchtop centrifuge rotors. Larger 15 mL and 50 mL conical tubes are commonly used in clinical and research centrifuges. Always verify rotor compatibility before introducing a new tube format into your workflow.
Sterility Requirements
For sensitive applications such as RNA extraction, cell culture, and clinical diagnostics, sterile tubes certified free of RNase, DNase, and pyrogens are recommended. Non-sterile tubes can provide a cost-effective solution for routine DNA analysis, protein assays, and general sample storage where sterility is not critical.
Material Selection
Polypropylene tubes offer excellent durability, can be autoclaved at 121 &deg;C, and resist many laboratory chemicals and solvents. Polystyrene tubes provide superior transparency, making it easier to monitor liquid levels and sample contents, although they are less resistant to heat and solvents.
Packaging and Inventory Planning
Microtubes are commonly available in pack sizes ranging from 500 to 1,000 units, while 15 mL and 50 mL conical tubes are often supplied in cases of 500. Laboratories with consistent usage may benefit from establishing recurring purchase orders to ensure uninterrupted supply.
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<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
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Microtubes (0.5&ndash;2 mL) are primarily used for PCR preparation, microcentrifuge applications, and storage of small sample volumes. These are typically manufactured from polypropylene and are available in pack sizes of 500&ndash;1,000 units.
Midi tubes (5&ndash;10 mL) support intermediate-volume centrifugation and supernatant collection. They are commonly made from polypropylene and supplied in packs ranging from 100&ndash;500 units.
15 mL conical tubes are widely used for cell pelleting, RNA isolation, and clinical sample processing. They are available in both polypropylene and polystyrene formats and are generally packaged in cases of 500.
50 mL conical tubes are designed for larger-volume workflows, including tissue culture, density gradient preparation, and sample processing. Like 15 mL tubes, they are available in polypropylene and polystyrene and are commonly sold in cases of 500.
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<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
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Globe Scientific and Nest Scientific centrifuge tubes are manufactured from USP Class VI virgin polypropylene or polystyrene resin and are certified free from detectable RNase, DNase, and pyrogens. Sterile products are irradiated using gamma or E-beam methods to achieve a sterility assurance level (SAL) of 10⁻⁶. MBP offers both racked and bagged formats for 15 mL and 50 mL conical tubes, along with dispenser-box options for selected microtube product lines that support efficient use in high-throughput laboratory environments.
For procurement teams, MBP accepts purchase orders and offers institutional pricing for bulk and high-volume purchases. <a href="https://mbpinc.net/contact-ushttps://mbpinc.net/contact-us" title="Contact the MBP team" style="color: #236fa1;">Contact the MBP team</a> today to learn more

All Centrifuge Tubes

15mL Acrylic Centrifuge Tubes

Globe Scientific 6267 — 15mL clear acrylic (PMMA) conical centrifuge tube with separate red PP screw cap, printed graduations, non-sterile, 500 per case.

Centrifuge Tube, 15mL, Separate Red Screw Cap, Acrylic, Printed Graduations, CS/500

Centrifuge Tube, 15mL, Attached Red Screw Cap, Acrylic, Printed Graduations, STERILE, 50/Rack, 10 Racks/Unit, CS/500

United States

Texas

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