Application: EVOH material has good barrier properties. Through co-extrusion technology with PP, PE, PA, PETG and other materials, it can be processed into 5-layer, 7-layer, and 9-layer high-barrier lightweight packaging materials, mainly used in aseptic packaging, jelly drinks , dairy products, chilled fish and meat products packaging etc. In the non-food aspect, it is used in pharmaceutical, volatile solvent packaging and other fields, with excellent barrier properties, which greatly improves the shelf life of products.