It is suitable for indication of high temperature steam sterilization process. Quickly and intuitively reflect whether the sterilized items have been sterilized. After use, it can be used as a sterilization record for preservation.

When monitoring, it will be placed in the standard chemical indicator test kits or kits for the most difficult to reach the center or the location of steam. When the chemical indicator card is placed with the package, such as gauze or brown paper, it prevents the indicator card from becoming damp and affecting accuracy.