Sterilization & Biological Indicators

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Sterilization and biological indicators are crucial in ensuring sterilization processes' effectiveness. Sterilization indicators, including biological and chemical types, are used to validate that the conditions during sterilization cycles are sufficient to achieve sterility. This category encompasses a range of products, including dry heat sterilization biological indicators, biological indicators for hot air ovens, and chemical sterilization indicators.

These indicators feature advanced technology that reliably signals whether the sterilization process was successful. For example, biological indicators contain resistant microorganisms that confirm the efficacy of the sterilization procedure, while chemical indicators change color when exposed to specific conditions, offering immediate visual confirmation. These features provide practical benefits by ensuring the sterilization process is thorough and effective, reducing the risk of contamination and ensuring safety in medical, laboratory, and industrial environments. Available options in this category include various sizes and forms, such as strips, vials, and self-contained systems, tailored to different sterilization methods and equipment. Compatibility with a wide range of sterilization devices, including hot air ovens and chemical sterilization systems, ensures that users can find the right sterility indicator for their specific needs. Thomas Scientific also carries a range of sterile lab containers and laboratory autoclaves.

Sterilization & Biological Indicators

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  • Chemical Process Indicators – Gamma & E-Beam (Radiation) Sterilization

    Radiation Chemical Process Indicators (CPIs) are manufactured to meet performance specifications described in ANSI/AAMI/ISO 11140-1 “Sterilization of health care products - Chemical indicators - Part 1: General Requirements,” for Class 1 Process Indicators. The color transitions are dose...

  • Sterikon Plus Biological Sterilization Indicator

    For monitoring the effectiveness of steam sterilization at 121°C for 15 minutes Easy-to-read; media’s color changes with growth Rapid results; read after 24 hours Sterikon ® Plus indicators contain nutrient broth, sugar, a pH indicator and spores of apathogenic bacillus stearothermophilus....

  • Comply™ Bowie-Dick Test Packs

    3M™ Comply™ Bowie-Dick Test Packs are used to monitor the performance of vacuum-assisted 132ºC - 134ºC (270ºF - 273ºF) steam sterilizers; test packs will reproducibly detect residual air in the sterilizer chamber due to air leaks, air removal failures and inadequate...

  • Chemical Process Indicators – Dry Heat Sterilization (Depyrogenation)

    Dry Heat Chemical Process Indicators (CPIs) are designed to signal, through a transition in color, when exposed to high temperatures such as dry heat and steam sterilization or depyrogenation processes. The CPIs will transition from the initial to the signal color depending on the temperature and...

  • Chemical Process Indicators – EO Sterilization

    Ethylene Oxide (EO) Chemical Process Indicators (CPIs) are manufactured to meet performance specifications described in ISO 11140-1 “Sterilization of health care products - Chemical indicators - Part 1: General requirements,” for Class 1 Process Indicators. The purple-to-green color...

  • Steri-Wrap® III

    Propper Manufacturing

    A strong wrap especially suitable for heavy instrument trays Features: Efficient microbial barrier and provides for pack security Virtually lint free and has a tightly anchored fiber structure Does not delaminate and can be used on either side Excellent liquid repellency and is an effective barrier...

  • Chemical Process Indicators – VH2O2 Sterilization

    Hydrogen Peroxide Chemical Process Indicators (CPIs) are manufactured to meet performance specifications as described in ISO 11140-1 “Sterilization of health card products - Chemical indicators - Part 1: General Requirements,” for Class 1 Process Indicators. Hydrogen Peroxide CPIs are...

  • Steam Dot® Blu™ Indicators

    Propper Manufacturing

    Steam Dot Blu™ utilizes the latest in environmentally friendly inks: the Blu™ ink technology. All products made with Blu™ inks are free of all heavy metals, including lead.  Environmentally Friendly Technology: Manufactured without lead & heavy metals Latex free &...

  • Mini Self-Contained Biological Indicators (SCBIs)

    Mini Self-Contained Biological Indicators (SCBIs) for Monitoring Steam Sterilization Processes, Geobacillus stearothermophilus Cell Line 7953, SCBIs each 8.4 mm x 45.5 mm, 10 5 population level, 25 per box, ISO 11138-1, 11138-3 and USP compliant where applicable.

  • Vapor Line® Reusable Steam Sterilization Process Challenge Test

    The Vapor Line® Reusable Steam Sterilization Process Challenge Test is a reusable process challenge device for use in prevacuum steam sterilization processes at 273°F/134°C.  It consists of a metal capsule with a removable cap equipped with a plastic holder for the Propper Vapor...

  • BI-O.K.® Self-Contained Biological Indicators

    Propper BI-OK® self-contained biological indicators for Steam and EO gas are designed for sterilization efficacy monitoring in hospitals, clinics, and for industrial applications. After processing in a sterilization cycle and activation of media by crushing the glass vial, indicators need to be...

  • Paper Heat-Seal Sterilization Pouches

    Cardinal Health™ Paper Sterilization Pouch combines a blue film and a medical grade paper to provide breathability, sterile barrier, and indication of processing. Each pouch includes an external process indicator for Steam and Ethylene Oxide (EO) Gas sterilization. To assist opening, a...

  • OK® Sterilization Indicator Strips

    For steam sterilization cycles of 250°F (121°C) and 273°F (134°C) OK® Strips are indicators that monitor all critical sterilization arameters: steam, time, and temperature. In sterilization cycles OK® Strips guard against incomplete steam penetration, presence of...

  • Vapor Line® Steam Sterilization Integrators

    The Vapor Line® integrator is a chemical indicator for monitoring the essential conditions of steam sterilization processes - saturated steam, temperature, and time in gravity displacement and pre-vacuum sterilizers operating in the 250°F - 272°F temperature range. The integrator is...

  • Steraffirm® VHP Type 1 Process Indicator (200/Package)

    STERIS Product Number PCC051 is a Steraffirm™ VH202 Class 1 Process Indicator used in the routine monitoring of applications with STERIS VHP Biodecontamination Units. This product contains a magenta indicator ink that detects hydrogen peroxide vapor. It is packaged in a box of 200 units.

  • Spore Suspensions - B. subtilis (Cell Line 6633)

    Crosstex manufactures Bacillus subtilis (Cell Line 6633) Spore Suspensions utilized in low temperature (<121 °c) steam sterilization processes. the spore suspensions are pure suspensions of spores with known steam resistance characteristics and a variety of population levels standardized per...<>

  • VERIFY™ Dual Species Self-Contained Biological Indicators

    VERIFY™ Dual Species Self-Contained Biological Indicators (SCBIs) are for use in monitoring steam sterilization and ethylene oxide (EO) sterilization processes. Each SCBI is completely self contained within a vial and contains a disc inoculated with dual species bacterial spores (Geobacillus...

  • Chex-All® III Pouches

    Propper Manufacturing

    Process indicators are printed on the pouch corners and covered by the extension of the transparent film beyond the sealed area. This guarantees protection of the indicators from direct contact with metal trays or instruments, yet does not obstruct observation of the indicator color change....

  • Steam-Dot® Indicators

    Propper Manufacturing

    Self-adhesive Steam-Dot® Indicators offer a fast, positive visual check on items that were sterilized by steam. 

  • Kimtech™  Kimguard™ KC600 Sterilization Wrap (68654)  54ö x 54ö 48/cs

    Kimtech™  Kimguard™ Sterilization Wrap is a must-have tool for sterile processing environments, such as in pharmaceuticals and medical devices. The line comes in six grades of wrap fabric, from KC 100 to KC 600, so you can get precisely the right protection for your needs. The...

  • Duo-Spore® Biological Indicator System

    For monitoring the efficacy of steam, ethylene oxide gas, chemical vapor and dry heat sterilization processes used in healthcare facilities, body modification parlors and industry.  Biological monitoring is recommended weekly, but preferably daily, and with every load containing implants....

  • Self-Seal Sterility Maintenance Covers

    Plastic dust covers protect the sterile pack during storage, handling, and transportation from dust, moisture, or airborne contaminants, and extend sterile shelf life when definite shelf life terms are used. Self-Seal Dust Covers satisfy current regulations for sterility maintenance covers.

  • SporAmpule® Liquid Biological Indicators

    Monitoring your autoclave couldn’t be easier with the convenient SporAmpule. Easy to use! Process one or more SporAmpules, along with your normal load, then incubate at 55-60°C for 48 hours and observe for a color change. No activation, crushing, or additional culture media is required...

  • Attest Biological Indicators

    1251D01 detects the presence of Bacillus stearothermophilus spores 1251D07 detects the presence of Bacillus subtilis spores 1251D01 indicators are designed for monitoring 270°F (132°C) gravity steam sterilization processes. Detection media will turn yellow in the event of a sterilization...

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