How to choose green aluminum foil bag

Now that aluminum foil bags have a large market, how do you choose aluminum foil bags? Aluminum foil packaging bags because of its good insulation, high heat sealing performance, moisture resistance, and high transparency. And the functions of acid resistance, abrasion resistance, etc. are also very good, so they are widely used in packaging bags for the food industry. Nowadays, more and more attention has been paid to the packaging bags. How to choose the packaging bags requires us to pay attention to the 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 uncoated or plated materials. Colored plastic bags should not be used for food packaging. Such foil packaging bags are often made from recycled plastic. Food packaging bags are shipped without smell and odor. Plastic packaging bags with special odors cannot be used for food packaging. Should try to use non-coated, coated packaging materials, children with serious illness insurance.

Vacuum bags need to check the appearance of their bags. The appearance inspection mainly depends on whether the packaging bag has obvious abrasions; whether there are pinholes; whether there is pollution; and whether the sealing is standardized. Compressive strength and burst strength testing. The method used for strength and breaking strength is to use weight extrusion method, put the bag on the desktop, and then add heavy weights on it. After one minute, the vacuum bag is first invisible, leaking and so on. When selecting materials, use environmentally-friendly materials, pay attention to the recyclability of aluminum foil packaging materials, green environmental protection materials, do not use secondary waste materials, especially food packaging bags do not use industrial waste or recycled materials.

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