Type 4 Indicator
This indicator is designed to be applied in Pre-Vacuum Steam Sterilization process under either 134˚ C for 4 minutes or 121˚C for 15 minutes. The indicator performance accuracy is assured in case of vivid color change from Red to Dark Brown under clear exposure to Steam Sterilant. In order to archive, this product is manufactured either non-adhesive or back-adhesive.
Color change form Red or Yellow to Dark Brown under clear Steam sterilization
ISO 11140-1, TYPE 4