The 3M™ Comply™ Steam Type 4 Chemical Indicator Strip 1250 is a Type 4 chemical indicator as categorized by ISO 11140-1:2014 designed to monitor all 121-134ºC (250-273ºF) gravity and vacuum-assisted steam sterilization cycles.
The 3M™ Comply™ Steam Type 4 Chemical Indicator Strip 1250 is a paper strip 1.5 cm wide by 20 cm long (0.625 in wide by 8 in long) printed with a chemical indicator ink that turns from off-white 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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