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[Chemical Knowledge]：What are the upstream raw materials of EVA? What are the downstream products?

Read： 920 Time：13months ago Source：Transform the World with Simplicity

Ethylene-vinyl acetate copolymer (EVA) is an important raw material widely used in the field of chemical production. The upstream and downstream associated products of EVA are quite rich, and the upstream raw materials and downstream products of EVA are described in detail below.

1. EVA upstream raw material

1. Ethylene: ethylene is one of the main raw materials of EVA, mainly produced by naphtha cracking. Ethylene production process includes cracking, compression, condensation, separation and other steps.
2. vinyl acetate: vinyl acetate is another important raw material of EVA, mainly through acetylene and acetic acid synthesis. The production process of vinyl acetate involves the use of catalysts, distillation and other steps.

2. EVA downstream product

1. Foamed shoe material: EVA foam material has the characteristics of light weight, softness and good elasticity, and is widely used in the field of shoe materials. Through the foaming process, EVA foam of various densities can be produced to meet the needs of different footwear products.
2. Functional greenhouse film: EVA greenhouse film has high weather resistance, UV protection and thermal insulation properties, and can be used in agricultural greenhouses, building shading and other fields.
3. packaging film: EVA packaging film has excellent puncture resistance, toughness and sealing, can be used for food, medicine and other products packaging.
4. Hot melt adhesive: EVA hot melt adhesive has the advantages of high bonding strength, good weather resistance, non-toxic and tasteless, etc., and can be used in wood processing, book binding, automobile interior decoration and other fields.
5. Wire and cable: EVA can be used in the production of wire and cable insulation and sheath layer, with excellent electrical properties and environmental resistance.

In short, EVA as an important chemical raw material, its upstream and downstream related products are quite rich, widely used in various fields. With the continuous progress of science and technology and the continuous change of the market, EVA's upstream and downstream products are constantly developing and innovating, bringing more possibilities and value to the field of chemical production.

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