Teng Hui shoe   

        design of EVA foam material, plastic material is more flexible than the soft, the choice of high-grade insoles.
       
        earthquake effect refers to the impact of the shock absorption effect of the soles of feet touching the ground. Such as air, PU, MD, EVA and so on are earthquake function, especially the air cushion is universally valued. When a person's feet hit the ground floor, the foot force is usually 2 to 3 times of the human body, especially the spring can be up to 10 times, and good mounts can reduce the impact force. Now a lot of brand-name sports shoes with air cushion shock proof design. Super light, super elasticity, the most ideal insoles.
       
        EVA:
        water resistance: closed pore structure, non absorbent, moisture-proof, waterproof performance is good.
        corrosion resistance: resistance to water, oil, acid, alkali and other corrosive chemicals, antibacterial, non-toxic, tasteless, non polluting.
        processing: no connection, and easy to hot pressing, cutting, gluing, laminating machine.
        anti vibration: resilience and resistance to high tension, high toughness, shockproof / good cushion performance.
        insulation: insulation, thermal insulation and low temperature resistance, resistant to cold and exposure.
        sound insulation: closed pore, good sound insulation effect.
       
        scope of application:
        skates: lining materials, sports shoes, sports shoes, bags back cushion, a surf board; sports equipment, automotive interior, lamination material; material of high-grade foam tape products; freezers, cold construction, light mats, shading plate material; shockproof cushion packaging field electrical appliances, precision instruments, instruments and other electronic products.
       
        EVA wax density in 0.91 ~ 0.93 (g / cm3).
       
        density of EVA is mainly affected by the content of VA control, with the VA content in the copolymer increased from 5% to 40%, the density of the 0.929g / cm³ increased to 0.974 g / cm³ that is less than 5%, the minimum density.

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