It mainly applies to indicate whether various pressure steam sterilization pouches have been sterilized. Additionally, it can also be used as brand or label on various package.

Intercept proper length tape, paste it to the surface of pending sterilized package and then sterilize. After sterilization, pick out the package and observe the change of tape; if the color changes, the tape has been sterilized, otherwise, no sterilization has been implemented.

The printing marks should be free from touching the metal and glass surface in case of being soaked and causing discoloration.

Store away from light, corrosive gas and in 15-30°C temperature, 50% relative humidity.