Autoclaves

<h2>What Are Laboratory Autoclaves?</h2>
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Laboratory autoclaves (steam sterilizers) use pressurized saturated steam at 121&deg;C or 134&deg;C to destroy all microbial life&mdash;bacteria, viruses, fungi, and heat-resistant bacterial spores&mdash;achieving a validated sterility assurance level (SAL) of 10⁻⁶. At 15 psi above atmospheric pressure, steam reaches 121&deg;C; at 30 psi, it reaches 134&deg;C. Autoclaves are the most widely used sterilization method in research, clinical, and pharmaceutical laboratories for sterilizing glassware, culture media, biohazardous waste, instruments, and porous loads. Two main cycle types are used: gravity-displacement (steam displaces air downward via gravity, suited to liquids and solid instruments) and pre-vacuum (a vacuum pump removes air before steam injection, required for porous, wrapped, and hollow loads).
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<h2 dir="ltr">What you will find:</h2>
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BioClave&trade; Autoclaves: Reliable benchtop autoclaves for routine laboratory sterilization
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Autoclave Printer (115V): Built-in or external printer for cycle data recording and compliance
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<a href="https://mbpinc.net/equipments/autoclave-and-biosafety-cabinets/autoclave/autoclave-accessories">Autoclave Accessories:</a>
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Autoclave Printer Paper (2.25" x 50 ft): Thermal paper rolls for printing sterilization cycle reports
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<h2>How to Choose a Laboratory Autoclave</h2>
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Chamber Volume and Format
A 16&ndash;28 L benchtop autoclave handles a single researcher's daily glassware and media loads. A 50 L benchtop unit or a 80&ndash;150 L floor-standing model is appropriate for core facilities, BSL-3 labs, or any setting processing biohazardous waste in volume. Allow 25&ndash;30% headspace above the load for adequate steam circulation.
Cycle Type: Gravity vs. Pre-Vacuum
Gravity cycles are standard for liquids, unwrapped solid instruments, and glassware. Pre-vacuum cycles are required for wrapped instruments in peel pouches, porous loads (cloth, gauze, textiles), and hollow instruments with lumens where air must be removed for steam to penetrate. If your lab runs both load types, specify a unit with both cycle programs.
Temperature Programs
Standard units run 121&deg;C gravity and 134&deg;C prevac cycles. Labs processing a broad mix of materials benefit from models with additional preset programs: liquid sterilization with slow exhaust, prion deactivation cycles (134&deg;C extended hold), biohazardous waste cycles, and drying cycles for instruments.
Water Quality Requirement
Distilled or deionized water with a conductivity below 5 &micro;S/cm is required for steam generation in all laboratory autoclaves. Hard tap water causes mineral scale on heating elements, chamber walls, and sensors, reducing sterilization efficiency and cutting autoclave service life significantly.
Monitoring and Documentation
For GLP, GMP, or IACUC-regulated labs, specify a model with an integrated temperature/pressure data logger and printer output. This documents each cycle's sterilization conditions for audit purposes. Combine with biological indicator (spore) testing at minimum every 6 months&mdash;the only verification method that directly confirms microbial kill.
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<h2>Specifications Context</h2>
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The two standard steam sterilization conditions are 121&deg;C for a minimum hold of 15 minutes (gravity cycle) and 134&deg;C for a minimum hold of 3 minutes (prevac cycle). Actual load-specific validated times typically exceed these minimums. Biological indicator testing using&nbsp;Geobacillus stearothermophilus spore strips at 55&ndash;60&deg;C incubation is the only method that directly verifies sterilization efficacy at 121&ndash;135&deg;C. Chemical indicators (autoclave tape, integrators) provide visual confirmation that surface conditions were met but do not verify inner-load temperatures. Poor-quality feed water deposits scale on chamber walls and heating elements, reducing heat transfer efficiency, degrading sensors, and shortening autoclave lifespan&mdash;distilled or deionized water below 5 &micro;S/cm is required.
<a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. now to find the right autoclave for your lab.

Autoclave

Chamber Specifications

BioClave™ Autoclaves

B4000-18 by Benchmark Scientific is the BioClave™ 18-liter benchtop research autoclave, operating at 121°C or 134°C (selectable) at 29 PSI with a built-in water tank and fully automatic single-button operation. The stainless-steel chamber (9.8 × 13.77 in) accommodates flasks, bottles, bags, and instruments; mechanical and electrical interlocks prevent door opening until pressure reaches 0 PSI.

Manufacture

BioClave™ 18 Research Autoclave, 18Ltr,115V

BioClave™ 18 Research Autoclave, 18Ltr, 230V

BioClave™ 28 Research Autoclave, 28Ltr, 120V

BioClave™ 28 Research Autoclave, 28Ltr, 208-240V

BioClave™ Mini Research Autoclave, 8Ltr, 115V

BioClave™ Mini Research Autoclave, 8Ltr, 230V

Autoclaves Accessories

<h2>What Are Autoclave Accessories?</h2>
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Autoclave accessories are the consumable and hardware components that enable safe, documented, and compliant steam sterilization: sterilization packaging (peel pouches, autoclave bags, and wrapping materials that allow steam penetration while preserving post-cycle sterility), monitoring consumables (chemical indicator tape and integrators for every-load verification, biological indicator spore tests for periodic microbial-kill validation), loading hardware (stainless steel trays, baskets, and racks that organize instruments and maintain spacing for steam circulation), and maintenance consumables (autoclave cleaners and descalers for chamber and drain upkeep). A complete accessory program is not optional&mdash;regulatory bodies, IACUC protocols, and GLP/GMP frameworks all require chemical monitoring every cycle and biological indicator testing at defined intervals.
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<h2 dir="ltr">What you will find:</h2>
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Autoclave Printer (115V): Printer for recording sterilization cycle data and ensuring compliance
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Autoclave Printer Paper (2.25" x 50 ft): Thermal paper rolls for printing autoclave cycle reports
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</ul>
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<h2>How to Choose Autoclave Accessories</h2>
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Sterilization Packaging
Peel pouches are available in paper-plastic laminate with built-in external chemical indicator strips&mdash;select the pouch size that fits the instrument without folding, allowing at least 1 cm clearance on all sides for steam penetration. Autoclave bags for bulk loads or waste come in polypropylene (PP), rated to 121&deg;C; confirm the material spec before purchasing. Wrapping paper (non-woven or crepe) is required for instrument set wraps processed in prevac cycles.
Chemical Indicator Class Selection
Chemical indicators are classified Class 1&ndash;6. Class 1 (process indicators/tape) are external markers only, confirming the item entered the autoclave. Class 5 integrators and Class 6 emulating indicators respond to all three sterilization parameters (time, temperature, and steam) and are the recommended internal indicators for wrapped packs. Place an internal indicator inside every pouch or wrapped instrument set to verify that conditions were met at the instrument surface.
Biological Indicators
Spore vials containing&nbsp;G. stearothermophilus&nbsp;(ATCC #7953) are the standard BI for steam autoclaves at 121&ndash;135&deg;C; incubate at 55&ndash;60&deg;C for 24&ndash;48 hours after exposure. Self-contained vials (crush-and-incubate format) reduce handling complexity versus loose spore strips. Rapid-readout BIs (e.g., 3M Attest, Mesa Labs rapid spore tests) return results in as few as 1&ndash;3 hours, reducing quarantine time for critical loads.
Loading Hardware
Stainless steel perforated trays and baskets are the standard load support hardware. Confirm the outer dimensions fit your autoclave chamber with the door closure system intact, and that the perforated base allows condensate to drain rather than pool under the load.
Maintenance
Use an autoclave-specific chamber cleaner monthly or per manufacturer schedule. Descale quarterly or more frequently if hard water is used, even with a distilled/DI water supply&mdash;incoming water quality can vary. Inspect and replace door gaskets when any leak or incomplete seal is observed.
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<h2>Specifications Context</h2>
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Class 5 integrators (e.g., 3M Comply SteriGage) are the most informative internal chemical indicator available without biological testing&mdash;they confirm exposure to all three critical sterilization parameters simultaneously. Biological indicators using&nbsp;G. stearothermophilus spores are the accepted standard per ISO 11138-3 for steam sterilization monitoring; alternative rapid-readout formats can return results in as few as 60 minutes, enabling same-day release of critical loads. As of 2026, self-contained biological indicator systems with digital incubator readers eliminate the manual color-interpretation step and provide a timestamped electronic pass/fail result suitable for GLP audit records.
<a href="https://mbpinc.net/contact-us">Contact now</a> with the expert team at Molecular Biology Products Inc. to find the right autoclave accessories for your lab.

Autoclave Accessories

Paper 2.25"x50 feet, pk. of 3 rolls

B4000-PA by Benchmark Scientific is a pack of 3 thermal paper rolls (2.25&Prime; &times; 50 ft each) for the BioClave&trade; mini printer. No ink required; records sterilization cycle data automatically for GLP/GMP compliance documentation. Compatible with Benchmark BioClave autoclave series with the mini printer option.

Printer, 115V

B4000-P by Benchmark Scientific is a 115V thermal printer that attaches directly to the BioClave 16 Research Autoclave and generates printed sterilization cycle records — temperature, pressure, and time — for compliance documentation and QA audit trails. It is sold as a separate accessory and does not require external software.