PE shrink film.
PE polyethylene, it is transparent thermoplastic.
PE commonly used there are three categories, namely: LDPE HDPE LLDPE Three kinds of polyethylene monomer is the same, but in the synthesis of these polyethylene, the process conditions are not the same, therefore, only three different types of polyethylene, three kinds of material performance has a greater difference. PE film is a kind of good toughness material, not easy to crush with ordinary plastic grinder. Because the PE film is soft and tough, it is not easy to cut, not to mention high-speed tool at high temperature, will make LDPE melt adhesion to the blade. PE granulation can be directly inserted into the extruder feeding port, by the shear force of the screw to drag the PE film into the barrel heating melt extrusion granulation.
PE recovery of the first grade, still can be blown film, for non-food and pharmaceutical packaging, but also widely used in Oxford leather and waterproof cloth production, the future bright.
PE Heat shrinkable film is widely used in liquor, cans, mineral water, all kinds of beverage, cloth and other products of the whole set of packaging, the product flexibility, anti-impact, anti-tearing strong, not easily damaged, not afraid of the tide, shrinkage rate. PVC Shrink film, plus ingredients to enhance its heat resistance, toughness, ductility and so on. The top layer of this surface film is lacquer, the main ingredient in the middle is polyvinyl chloride, and the lower layer is the back-coated binder. It is one of the most popular and widely used synthetic materials in the world today.
In materials that can produce three-dimensional surface coatings, PVC is the most suitable material. Due to the unique performance of PVC (rain, fire resistance, antistatic, easy molding) and low input PVC high yield characteristics, is widely used in the building materials industry and packaging industry, therefore, PVC film has high transparency, good gloss, high shrinkage rate characteristics.