environmentally friendly aluminum foil for packaging bags
Aluminum foil for packaging because of its good barrier properties, high heat sealing performance, good moisture resistance and high transparency. And it is also very good in acid resistance and wear resistance, so it is widely used in the food industry. With the popularity of aluminum foil for packaging bags, how to choose aluminum foil packaging bags has gradually become a hot topic.
Use uncoated aluminum foil for packaging bags
Try to use aluminum foil without coating or plating. Colored plastic bags cannot be used for food packaging. Aluminum foil for food packaging is a plastic bag with no smell and no smell, and has a special smell. It can not be used for food packaging. 8011 aluminum foil packaging materials without coating or plating should be used as much as possible.
Check the appearance of aluminum foil for packaging bags
The visual inspection mainly depends on whether the aluminum foil for packaging 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 the heavy object extrusion method, put the aluminum foil for packaging on the table, and then add the weight on it, and after one minute, check whether the aluminum foil for packaging bags is invisible and leaking. Hole and so on.
When selecting materials, use environmentally friendly materials. Pay attention to the recycling of aluminum foil for packaging bags. The materials are green and environmentally friendly. No secondary waste is used. In particular, aluminum foil for food packaging does not use industrial waste or recycled materials.
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