The properties of food vacuum packaging materials directly affect the storage life and taste of food. In the process of vacuum packaging, choosing good packaging materials is the key to the success of packaging.
When it comes to vacuum packaging materials, it is essential to classify the materials. The following are the characteristics of materials suitable for vacuum packaging:
PE is suitable for low temperature, rcpp is suitable for high temperature cooking;
PA is to increase physical strength and puncture resistance;
Al aluminum foil is to increase the barrier performance and light shielding;
Pet, increase mechanical strength, excellent stiffness.
Then according to the demand, combination, various properties, also have transparent, in order to increase the barrier performance, use water-resistant PVA high barrier coating.