Tubes made with chemical indicator printing for hydrogen peroxide - H2O2 plasma sterilization processes.

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the indicator  when being exposed  changes its coloring from pink to shades of yellow.

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Made with 75g/m2 Tyvek® Dupont 
Transparent bilaminated PET/PE (Polyester+Polyethylene) film specific for tyvek 1073B 
100% peelability and no tearing when opening.