Process Challenge Device
Chemical strips (Type 2 Chemical Indicator according to ISO 11140-1:2014) for use with Helix PCD in the control of steam sterilization processes.

Product type
PCD‑A‑3.5Y Chemdye® Chemical Indicator for use in Helix PCD system
Main application
Key benefit
Provides clear color change (yellow → dark brown/black) to confirm sterilization efficacy; incomplete color change indicates penetration failure and prevents load release
Technology / differentiator
Compatibility / usage environment
Designed exclusively for steam sterilization in pre‑vacuum cycles; not suitable for EO, dry heat, or formaldehyde; ideal for healthcare, food, pharmaceutical and medical device industries