Biological Indicators
Dual Spore Strips Biological Indicator for Steam, Ethylene Oxide and Dry Heat sterilization processes. Geobacillus stearothermophilus 10^5 or 10^6 and Bacillus atrophaeus 10^6 spores per strip.


Product type:
BT60 Dual spore strip biological indicator
Main application
Monitoring ethylene oxide (EO), steam (121–135 ℃), and dry heat sterilization cycles
Key benefit
Reliable detection of sterilization efficacy with 24–48 hour readout depending on process
Technology or differentiator
Dual inoculation: Geobacillus stearothermophilus + Bacillus atrophaeus spores on filter paper strip
Compatibility / usage environment
Designed for healthcare and industrial use; incubated at 37 ℃ or 60 ℃ in Bionova® IC10/20 with MC1020 culture media