First of all, the vacuum packaging aluminum foil bag has unique physical properties, such as moisture-proof, barrier-proof, light-proof, waterproof, oxygen-proof, high and low temperature, oil-proof, fragrance-preserving, non-toxic, odorless, with good mechanical properties, anti-explosion performance , tear resistance. The common thickness of aluminum foil bags for composite packaging bags is between 10mm and 16mm. Secondly, its […]