Do you know how to choose a green foil packaging bag?
Aluminum foil bags are now used by many people in their lives. So how do you choose an aluminum foil bag? The aluminum foil packaging bag has good weather separation, 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 the food industry packaging bags. Nowadays, packaging bags are getting more and more people's attention. How to choose packaging bags, we need to pay attention to the environmental protection of printing equipment and machinery. Does not produce harmful gases, odors and liquids. The production process is non-polluting and free of any harmful substances.
Try to use materials that are not coated or coated. Colored plastic bags cannot be used for food packaging. These aluminum foil bags are often made from recycled plastic. Food packaging bags are not smelly, odor-free, and have a special smell of plastic bags when they are shipped from the factory. They cannot be used for food packaging. Should try to use packaging materials without coating, plating, children with serious illness insurance.
Vacuum bags need to check 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. Test for compressive strength and burst strength. The method of strength and breaking strength is to use a heavy object extrusion method, put the packaging bag on the table top, and then add a heavy object thereon, and after one minute, the vacuum packaging bag first appears to be invisible, leaking, and the like. When selecting materials, we should use environmentally friendly materials, pay attention to the recyclability of aluminum foil packaging materials, green materials, and do not use secondary waste, especially food packaging bags do not use industrial waste or recycled materials.
For a certain interpretation of how to choose aluminum foil bags, let's take a look.