Machines électriques de peau de vide de table Machine de cachetage de plateau Machine d'emballage sous vide de fruits de mer

The principle of skin packaging is to place the product on a breathable bottom plate (cardboard or plastic sheet), cover it with a plastic film that is softened by heating, and vacuumize the substrate to make the film tightly wrap the product and seal with the bottom plate. . 1. The commonly used food-specific vacuum skin packaging films are as follows. Breathable film: high air permeability, easy to form on the body. Suitable for frozen food; Oxygen barrier film: high barrier to oxygen, can effectively prolong the shelf life of food; good formability, can maintain the complete shape of soft food; Multi-layer co-extruded electronic cross-linked film: good barrier properties, suitable for fresh and refrigerated food, mainly used in automatic continuous body packaging machine.