Autoclave Tape Is Used With Autoclave Sterilization. Stripes Turn Dark Brown After 20 Minutes At 121&Deg; C. The Tape Indicates That Autoclave Temperature Has Been Attained. The Tapes Are 19 Mm Wide And 50 Meters Long Used To Enhance Confidence That Sterilization Has Occurred. Color Changes From White To Brown. These Tapes Conform With Iso 11140/2005. &Nbsp;