Sole material classification and characteristics

Classification and characteristics of sole material The main material of the sole is divided into rubber, PU, ​​PVC, MD, TPR, EVA and so on.

1, EVA (E ethylene, VA vinyl acetate): The more vinyl acetate, the better the elasticity.

2. Rubber: It is divided into two kinds of natural cloths and synthetics. It is wear-resistant, elastic, heavy, and costly.

3, TPR (T heat, P plastic, R rubber): With rubber properties, more wear-resistant, low cost, but contact with oil solvent will slip.

4, PU: excellent wear resistance and repeated flexing performance, good tear strength and flexibility, oil resistance, acid resistance, alkali resistance and low temperature performance, waste PU bottom can be automatically degraded, conducive to environmental protection, on the requirements of resistance Impact, wear-resistant platform shoes are more suitable; but there are yellowing, hydrolysis, cracking, easy to open the rubber and other issues, air cushion shoes, football shoes commonly used materials.

5, PVC: Synthetic resin, in the end, due to ecological environmental issues and less use, air cushion shoes, football shoes commonly used materials.

6, MD (Wei Longdi): EVA foam molding, good flexibility, high elasticity, good thermal performance, but poor wear resistance, generally more suitable for high shoes.

7, shot out of the film: also known as the bottom bracket, super-support, anti-distortion and shock absorption. Generally can be divided into three types:

A, carbon fiber material quality of the emission of tablets: hardness and density are high.

B, material injection sheet: is a relatively soft material.

C, micro-injection of PVC: generally used to do small LOGO trademark. The classification and characteristics of the title sole material.

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