The performance of the vacuum bag materials directly affects the food storage life and the change of taste.In the vacuum packing, choose good packing material is the key to success.So, what material is suitable for vacuum packing bag?Specializing in the production of food bag, vacuum bag of yu, packaging supplies co., LTD., dongguan city, explain for everybody for vacuum bags each material features:
1. PE is suitable for the use of low temperature, RCPP suitable for high-temperature cooking;
2. PA is to increase physical strength, durable thorn performance;
3. AL foil is to increase the blocking performance, shading;
4. PET, increase the mechanical strength, good folding.
Then according to the demand, combination of various performance, also have to increase the blocking performance using PVA water resistant high barrier coating.