1. EVA and Phylon are generally used, as well as PU.
2. EVA is generally smooth and elastic, but not wear-resistant. It is suitable for cutting with a chopper and accurately combining with RB.
3. Phylon is relatively wear-resistant and has good plasticity. It can develop many pattern styles and is generally combined with RB. PU is in a liquid state before molding, suitable for pouring, and is generally combined with an air cushion.
4. Shoes made of PU material are very comfortable to wear, but they are not resistant to yellowing and tend to turn yellow easily. Generally, they need to be spray-painted. EVA foam material.
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The word Phylon originated in the United States. Earlier, the midsoles of all sports shoes were called Phylon. With the continuous development of this type of products, some large footwear product factories have distinguished the names of the midsole parts according to the manufacturing process. As Nike's patented technology, Phylon material is a secondary foam midsole, and the finished surface is white and wrinkled.
Polyurethane material is the abbreviation of polyurethane, and its English name is polyurethane. It is a polymer material. Polyurethane is an emerging organic polymer material known as the "fifth largest plastic" and is widely used in many fields of the national economy because of its excellent performance. Product application fields include light industry, chemical industry, electronics, textile, medical care, construction, building materials, automobiles, national defense, aerospace, aviation, etc.
Reference materials: ?Sole-Baidu Encyclopedia