Mainly for indicating whether the bag of sterilization articles has been steriled, and for packaging and fixing the bags, having the function of tags.
Get the tape pasted on the surface of sterilization bags, and processed steriling. After steriling, get the bag out, see the change of indicator on the surface of tape. If to black, it has been steriled. If no change, it has not been steriled.
Keep printed stripes on tape away from touching with metal and glass surface in case of Getting wet by steam condensate, which can make the color abnormal