Characteristics:
This internal chemical indicator monitors exposure to all 121*20 min and 132*to 134*6 min gravity and vacuum-assisted steam sterilization cycles. The chemical indicator strip for steam, the color change from yellow to dark brown or black. Due to the special design, it is not easy to drop down and leave adhesive residue even under the condition of high pressure steam. It makes the package clean, and also do some related marks on the tape with the pen. Using it to seal the package, which make that not too tight and too pine. It is good for the steam to permeate into the package. It is easy to mange.
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