How to choose green aluminum foil packaging bags

How to choose green aluminum foil packaging bagsNow there is a big market for aluminum foil packaging bags, so how to choose aluminum foil packaging bags? The aluminum foil packaging bag has good negative barrier, high heat sealing performance, good moisture resistance and high transparency. And acid resistance, wear resistance and other functions are also very good, so it is widely used in packaging bags in the food industry. Now packaging bags are getting more and more attention, how to choose packaging bags, we need to pay attention to the green environmental protection of printing equipment and machinery. Does not produce harmful gases, odors and liquids. The production process is pollution-free and free of any harmful substances.Try to use materials that are not coated or plated, and colored plastic packaging bags cannot be used for food packaging. These foil bags are often made from recycled plastic. Food packaging bags are odorless and odorless when they leave the factory, and plastic packaging bags with special odors cannot be used for food packaging. Packaging materials without coating or plating should be used as far as possible, and children’s critical illness insurance should be used.Vacuum bags need to be inspected for the appearance of their bags. The visual inspection mainly depends on whether the packaging bag has obvious scratches; whether there are pinholes; whether there is pollution; whether the sealing is standardized. Testing of compressive strength and bursting strength. The method of strength and breaking strength is to use the heavy object extrusion method, put the packaging bag on the table, and then add heavy objects on it. After one minute, check whether the vacuum packaging bag is out of shape, leaks, etc. When selecting materials, we should choose environmentally friendly materials, pay attention to the recyclability of aluminum foil packaging materials, the green environmental protection of materials, and do not use secondary waste, especially food packaging bags do not use industrial waste or recycled materials.