DuraSeal™, Dispenser, each

Heat-Resistant And Microwave Compatible - Withstands temperatures up to 100ºC (boiling water). Chemically Resistant - Resists essentially all solvents and caustic agents. Tear Resistant - Film can stretch 500-800% before breaking or tearing. Clings - Film can cling to itself following stretching. Tight Sealing - Forms an airtight barrier Permeability Information: Oxygen: 125cc/100in2/24 hrs at 23°C. Carbon Dioxide: 1300cc/100in2/24 hrs at 23°C. Water Vapor: 1.0g/100in2/24 hrs at 38°C and 90% R.H.