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[Chemical Knowledge]：What exactly is EVA material? Learn about this magic material

Read： 608 Time：22months ago Source：Transform the World with Simplicity

EVA material is a very popular industrial raw material, also used in daily life, such as insoles, swimming boards, packaging materials and so on. But for most people, it is not clear what EVA material is.

In fact, EVA refers to ethylene-vinyl acetate copolymer, which is a foam material. EVA material has a variety of physical and chemical properties, which makes it have applications in many fields. The following are its main characteristics:

physical characteristics:

1. Corrosion resistance: compatible with many chemical substances.

2. Elasticity: very elastic, high tensile strength.

3. Wear resistance: It is not easy to damage under friction.

4. Lightweight: relatively low density.

5. Transparency: There are many different levels of transparency.

6. Conductivity: It has certain conductivity.

chemical characteristics:

1. acid and alkali resistance: high acid and alkali resistance.

2. Not easy to rust: has good anti-rust performance.

3 does not produce chemical reaction: relatively stable, no chemical reaction. These characteristics of

EVA material make it widely used in many application fields. The following are some of the main application fields:

1. Insole: EVA material is widely used in the insole industry, which can provide cushioning, shock absorption and support.

2. Swimming board: Another area is swimming board manufacturing. The board made of EVA material has the advantages of light weight, durability, and non-absorbent.

3. Heat insulation: In the manufacture of packaging materials, EVA material can provide good heat insulation protection, which is also its application in the electronics manufacturing industry.

Although the characteristics of EVA material is very good, but it is not a panacea, there are some shortcomings, the most prominent is that its weather resistance is not strong, vulnerable to the impact of ultraviolet rays, there will be cracks and embrittlement.

sum up, EVA material is a very magical material, it has many physical and chemical properties, widely used in various fields. Understanding EVA material is very meaningful for us, they can help us better understand the production industry and daily products.