Food vacuum bags commonly used materials have?

by:Kolysen     2020-07-26
For food packaging bags we all details about the matters needing attention of choose and buy, classification, printing, etc. , so the material of vacuum packing bag for food, we haven't made some explanation, this article to give you tell me the main material of the vacuum packing bag for food what are they? A, low PE material, high temperature for RCPP, such as high temperature cooking bags. Second, if you want to increase the durability performance, can choose the PA material. Increase physical strength three, if you want to avoid light, choose AL foil material or aluminum plating, improve the blocking performance. Fourth, if you want to increase the mechanical strength, stiffness optimization with PET material. Five, high resistance to water blocking coating PVA. Vacuum packaging is used the most main is thin film material, of course, there are bottled and canned. Of food used in vacuum packaging film materials, to ensure its effect on all kinds of food packaging, beautiful, economy, etc, to achieve the best state. At the same time, food vacuum packaging of material of resistance and stability of light also have higher requirements. When a material alone cannot meet these requirements, packaging is often made up by a variety of different materials. According to the above materials are combined, products need what performance according to the requirements of its again. General vacuum packaging is a compound and into, and common real bags are compound types are: two layers of composite materials: PA/PE or PA/RCPP; PET/PE or PET/RCPP three-layer composite material: PET/PA/PE; PET / AL / RCPP; PA/AL/RCPP four layer composite material: PET/PA/AL/RCPP type vacuum packaging bags can be customized according to customer requirements of different type bag, bag common type in the three edge sealing, sealing organ, sealing side, self-supporting bag, etc.
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