Process Challenge Device
Test strips for use in Helix-PCD System. Laminated self-adhesive strips printed with indicator ink for Ethylene Oxide sterilization processes.

Product type
PCD‑A‑E1 Chemdye® Chemical Indicator for use in Helix‑PCD system
Main application
Monitoring ethylene oxide (EO) sterilization cycles; ensures safe release of hollow loads by verifying sterilant penetration
Key benefit
Provides clear color change (light blue → green) to confirm sterilization efficacy; incomplete color change indicates penetration failure and prevents load release
Technology / differentiator
Compatibility / usage environment
Designed exclusively for EO sterilization; not suitable for steam, dry heat, or formaldehyde; ideal for healthcare, food, pharmaceutical and medical device industries