Chemical Indicators
Multi-variable Chemical Indicator printed with reactive ink for Steam sterilization processes

Product type
CD29 Multivariable Chemical Indicator for steam sterilization
Main application
Monitors steam sterilization cycles, verifying that critical parameters (temperature, time, steam quality) have been achieved
Key benefit
Provides clear, reliable color change (yellow → black) for easy interpretation of sterilization effectiveness
Technology / differentiator
Type 4 chemical indicator (ISO 11140‑1); one‑side laminated punched double card strips printed with indicator ink; FDA 510(k) cleared (K191021)
Compatibility / usage environment
Designed exclusively for steam sterilization (121 °C for 15 min or 134 °C for 3.5 min); not suitable for EO, dry heat or other processes; ideal for healthcare, food, pharmaceutical and medical device industries