Chemical Indicators
Bowie & Dick Test Pack Chemical Indicator with warning sheet designed for testing air removal efficiency of vacuum-assisted steam sterilizers. 100 % Lead Free.


Product type
BD125X/1 Chemical Indicator Bowie‑Dick Test Pack with Warning Sheet
Main application
Monitors air removal efficiency in dynamic‑air‑removal steam sterilizers; designed for cycles at 132 °C (4 min) and 134 °C (3.5 min)
Key benefit
Provides clear, reliable color change (yellow → dark brown/black) across the test sheet, with an early warning sheet for detection of air removal failures before they appear on the main test sheet
Technology / differentiator
Type 2 chemical indicator (ISO 11140‑1, ISO 11140‑5); equivalent in performance to ANSI/AAMI ST79 Bowie‑Dick towel pack; compatible with Trazanto® Automatic Quality Control and Traceability System for optional digital readout
Compatibility / usage environment
Designed exclusively for vacuum‑assisted steam sterilization; not suitable for gravity displacement steam cycles, EO, dry heat, or radiation; ideal for healthcare, food, pharmaceutical and medical device industries