- Strip turns from yellow to black when exposed to the steam sterilization process
- ISO 11140-1:2014 Type 4 steam chemical indicator
- Used to monitor all 121-134°C gravity and vacuum-assisted steam sterilization cycles
- Size: 70mm*16mm
Description
The TRYC Type 4 Steam Chemical Indicator Strip is a paper strip 1.6 cm wide by 7 cm long (printed with a chemical indicator ink that turns from yellow to black when exposed to the steam sterilization process.
The Type 4 chemical indicator is designed to monitor all 121-134ºC (250-273ºF) gravity and vacuum-assisted steam sterilization cycles and indicate whether steam has penetrated to the point of placement of the strip, usually the center of a pack.
Each strip is perforated at the center if a shorter internal chemical indicator is preferred.
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We mainly produce medical paper plastic bags, high-temperature roll bags, self sealing flat bags and other medical products.
