1: Gravure printing 2: Low temperature heat sealing 3: Optional easy to tear zipper and ordinary zipper 4: Good barrier performance 5: Can be used as easy to tear thread
Oxygen transmittance: 2cc/cm3/m2. d0.1Mpa (test standard: GB/T 19789-2021, water vapor transmittance: 2g/m) ². D (Test standard: GB/T 26253-2010)