What are the food vacuum bags commonly used materials
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, PE material at low temperature, high temperature and suitable for RCPP, such as high temperature cooking bags.
2, if you want to increase the durability performance, can choose the PA material. Increase physical strength
3, if you want to avoid light, choose AL foil material or aluminum plating, improve the blocking performance.
4, if you want to increase the mechanical strength, stiffness optimization with PET material.
5, high resistance to water blocking coating PVA.
vacuum packing * more mainly thin film materials are currently used, 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 * the state of beautiful. 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
4 layer composite materials: PET/PA/AL/RCPP
vacuum packaging bag type can be customized according to customer requirements of different bag type, common type bag three edge sealing, sealing organ, sealing side, self-supporting bag, etc.
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