Now aluminum foil bags have a large market, so how to choose aluminum foil bags? Aluminum foil bags because of its good segregation, heat sealing performance, moisture resistance, and high transparency. And acid, wear and other functions are also very good, which is widely used in food industry bags. Now bags are getting more and more people's attention, how to choose bags, we need to pay attention to printing equipment and machinery green. Do not produce harmful gases, odors and liquids. Production process without pollution, without any harmful substances.
Try to use non-coated, coated materials, color plastic bags can not be used for food packaging. This kind of aluminum foil bags are often made of recycled recycled plastic. Food packaging bags are no smell, no smell, a special smell of plastic bags, can not be used for food packaging. Should try to use without coating, coating the packaging material, children seriously ill.
Vacuum bags need to check the appearance of their bags. The appearance of the main inspection to see whether the bag is abrasions; whether there are pinholes; whether there is pollution; whether the closure of the standard. Determination of compressive strength and breaking strength. And the strength and break the strength of the method is to use heavy extrusion method, the bag on the desktop, and then add the weight above, after a minute, the first vacuum bag is missing, leakage and so on. In the selection of materials, to use environmentally friendly materials, pay attention to aluminum foil packaging materials can be recycled, the green materials, do not use secondary waste, especially food bags do not use industrial waste or recycled materials.