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[Chemical Knowledge]：What material is EVA? Let's understand!

Read： 684 Time：16months ago Source：Transform the World with Simplicity

With the continuous progress of science and technology, various materials are constantly emerging. Among them, EVA as a plastic material, because of its good characteristics and popular. So, what exactly is EVA material? Next, we will take you to learn more about it.

EVA known as ethylene vinyl acetate copolymer, is an amorphous thermoplastic elastomer. It has many excellent characteristics, such as light weight, flexibility, shockproof, pressure resistant, non-slip, waterproof and so on. In addition, EVA is an environmentally friendly material, does not contain CFC, HCFC and other organic fluorine chlorine compounds, in line with national environmental protection requirements.

the advantages and disadvantages of EVA:

advantages:

1. Lightweight: EVA has low density, lighter than ordinary resin, and its weight is only 1/3 of PVC.

2. Flexibility: EVA has very good softness and can be cut and bent as needed to adapt to various occasions.

3. Shockproof: EVA has good cushioning performance and can effectively absorb impact.

4. pressure: EVA has good pressure resistance, can be repeated compression deformation without affecting its original form.

5. Anti-slip: The EVA surface has fine protrusions and depressions, which can increase its friction, thereby playing a good anti-slip effect.

6. Waterproof: EVA is not easy to absorb water, can be used as water sports, outdoor sports materials.

7. Environmental protection: EVA is an environmentally friendly material that does not contain toxic and harmful substances.

Disadvantages:

1. Insufficient heat resistance: EVA has low heat resistance temperature and is easy to soften and deform at high temperature.

2 strong oxidation: EVA in the presence of oxygen is easy to become brittle.

application range:

Due to the excellent characteristics of EVA, it is widely used in insoles, sports equipment, luggage, children's toys and other fields. Among them, EVA as an insole has a good performance in terms of quality and life. As a sports equipment, EVA has the characteristics of shock-proof buffer, grip and so on. EVA can also be used as packaging materials, home appliance shells and other materials.

EVA as an excellent plastic material, has many advantages and a wide range of applications. In the future development, it will also have more application scenarios and higher use value.