
24h Biological Indicator for Steam (10^6 spores)
BT20
See moreBiological Indicators
BT20/5 Self-contained Biological Indicator for Steam sterilization processes. Geobacillus stearothermophilus 10^5 spores per vial.


Product Type
BT20/5 Self-contained biological indicator for Steam Sterilization Processes
Main Application
Terragene Bionova® BT20/5 Biological Indicators have been designed for quick and easy routine monitoring of gravity-displacement and vacuum-assisted steam sterilization cycles at 121-135 °C. Terragene Bionova® BT20/5 provides a final result after a 24-hour incubation at 60 ± 2 °C
Key Benefit
24-hour visual readout of sterilization efficacy
Technology or differentiator
10⁵ Geobacillus stearothermophilus spores per vial + color-changing culture medium (purple to yellow)
Compatibility / usage environment
Incubated at 60 ℃ in Bionova® IC10/20; Designed for healthcare and industrial use