EVA refers to "ethylene-vinyl acetate copolymer" and its rubber-plastic foam.

In the field of chemical and organic chemicals, EVA refers to "ethylene-vinyl acetate copolymer" and its rubber-plastic foaming material, with the molecular formula (C2H4)x.(C4H6O2)y.

Commonly used in foam shoes. Shoe material is the most important application field of EVA resin in my country. In the EVA resin used in shoe materials, the vinyl acetate content is generally 15% to 22%. Because EVA resin blended foam products have the properties of softness, good elasticity and chemical corrosion resistance, they are widely used in the soles and interior materials of middle and high-end travel shoes, hiking shoes, slippers and sandals. In addition, this material is used in the fields of sound insulation boards, gymnastics mats and sealing materials.

film. The main use of EVA film is to produce functional shed film. The functional shed film has high weather resistance, anti-fog drop and thermal insulation properties. Since polyethylene is not polar, even if a certain amount of anti-fog drop agent is added, its anti-fog drop performance can only be maintained for about 2 months. The shed film made of adding a certain amount of EVA resin not only has a higher light transmittance, but also has a great improvement in the anti-fog droplet performance, which generally lasts for more than 4 months. In addition, EVA can also be used to produce packaging films, medical films, lamination films, casting films, etc.

Wire and Cable. With the continuous development of computer and network engineering, people use more and more halogen-free flame retardant cables and silane cross-linked cables for the safety of computer rooms. Because EVA resin has good filler inclusion and cross-linkability, it is widely used in halogen-free flame retardant cables, semiconductor shielded cables and two-step silane cross-linked cables. In addition, EVA resin is also used to make some special cable jackets. In the EVA resin used in wire and cable, the vinyl acetate content is generally 12% to 24%.

Toy. EVA resin also has many applications in toys, such as children's wheels, seat cushions, etc.

Hot melt glue. The hot melt adhesive with EVA resin as the main component, because it does not contain solvent, does not pollute the environment and has high safety, it is very suitable for automated assembly line production, so it is widely used in book binding, furniture edge banding, automobiles and household appliances. assembly, footwear, carpet coating and anti-corrosion coating of metal.