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Design principles of composite packaging bags

Basic performance requirements of composite packaging bagsIn order to meet the required packaging requirements, the composite packaging bag should have the following properties:① Mechanical properties. Tensile strength, rigidity, wear resistance, sealing, elongation, friction, etc.② physical and chemical properties. Moisture and oxygen barrier properties, fragrance retention, oil resistance, chemical resistance, light protection, etc.③ Durability. Performance at […]