Apex® Biological Indicators
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Apex® Biological Indicators
Apex® Biological Indicator (BI) products are designed specifically to meet the unique needs of the pharmaceutical, food, and medical device industries utilizing hydrogen peroxide (H2O2) vapor sterilization.
Our Apex® product line offers:
- The most resistant strain to HPV sterilization process to assure the manufacturing area is sterile
- Greatly reduced false positives because products match the decontamination process
- A highly flexible portfolio of BI’s to match the resistance of process parameters
Whether it be stainless steel discs/ribbons or a spore suspension, Apex® BI products offer the ideal solution to monitoring hydrogen peroxide sterilization.

Apex® Discs
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Inoculated onto grade 304 stainless steel carriers
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Discs measure 0.35″ diameter x 0.008″ thick
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Available with reference #12980, #7953 (G. stearothermophilus) or #9372 (B. atrophaeus)
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Tyvek® packaged indicators have perforations for hanging and a thumb notch for peeling

Apex® Ribbons
- Bare stainless steel ribbons measure (0.25″ x 2.75″)
- Inoculated at one end
- Available with reference #12980
- Convenient size and flexibility

Tri-Scale Biological Indicator
- One convenient Tyvek/Tyvek® package; three G. stearothermophilus populations
- Three carriers with 104, 105 and 106 spores; sealed in separate compartments
- Used for initial shakedown or validation of new enclosures or filling lines
- Convenient to identify worst-case location(s) in enclosure
Technical Specifications
Apex® Vaporized Hydrogen Peroxide Biological Indicators
Storage: 2 – 8°C; < 50% relative humidity
Expiration: 9 months from date of manufacture (not applicable for Apex BIs with 103 populations)
Certification: Apex biological indicators are traceable to a recognized culture collection, and certified for population and reference D-value.
G. stearothermophilus
Incubation | 7 days at 55 – 60°C | |||||
Population | 106 | 103 | 10⁴ | 106 |
104 105106 |
106 |
Units | 100 | 100 | 100 | 50 | 100 | 100 |
Reorder# |
HMV-091 |
HMV-091E3 |
KCD-404 |
SBC-327 |
LOG-456 |
NAS-152 |
B. atrophaeus
Incubation |
7 days at 30 – 35°C |
Population | 106 |
Units | 100 |
Reorder# |
GRS-090 |
Document Downloads
- Product Brochure – Vaporized Hydrogen Peroxide Biological Indicators
- Product Specification – Apex Spore Suspension Geobacillus stearothermophilus 7953 or 12980
- Product Specifications – Apex Discs Geobacillus stearothermophilus 7953
- Product Specifications – Apex Discs Geobacillus stearothermophilus 12980
- Product Specifications – Apex Ribbon Geobacillus stearothermophilus 12980
- Product Specifications -Apex Discs Bacillus atrophaeus 9372
- Product Specifications – Apex Disc Tri-Scale Geobacillus stearothermophilus 12980
- Technical Report – Apex
- Population Assay Instructions – Apex Products
- Safety Data Sheet – Apex
- Spore News – Proper BI Placement During VHP Decontamination Cycles
- Spore News: Using Replicate BIs to Evaluate Bio-decontamination
- Spore News – Parameters Effecting Vapor Hydrogen Peroxide Biological Indicator Performance