EVA how does the sole skid?
EVA sole is made of EVA polymer, chemical Chinese Name: ethylene vinyl acetate copolymer, chemical name in English: ethylene-vinyl acetate COPO, abbreviation: EVA. EVA resilience and resistance to high tension, high toughness, good shockproof / cushioning properties, heat insulation, thermal insulation and low temperature resistance, resistant to cold and exposure.
Performance comparison of various soles: TPR ratio of heavy, heavy, flexible in general, generally wear resistance. Rubber outsole is also larger, but softer, very wearable, strong grip, but less flexible, generally used in indoor soccer shoes and casual shoes. EVA bottom is very light, elastic, just wear a long time, reduce the elasticity, become a little more practical. PU, MD at the end of which has elastic deformation, the movement is flexible and comfortable, the proportion of small, very light, so are widely used (better than MD, PU density greater damping effect but also relatively heavy), generally large film with rubber, wear non slip.
EVA sole used to jog, walk, leisure shoes, foot training shoes. Integral sole, the most common is EVA one time foaming model sole, this kind of sole cost bottom, and skid proof degree is extremely bad, after sole is stained with water, be like put on roller skates. No wear, and if the pitch is good, the life of this outsole is very short. The 3D sole of REEBOK is the sole spokesman for this EVA foam sole".
Shoe material is the most important application field of EVA resin in china. In the EVA resin used in the shoe material, the content of vinyl acetate is generally between 15% and 22%. EVA blended foam products are soft, flexible and resistant to chemical corrosion, so they are widely used in the sole and interior materials of middle and high grade tourist shoes, mountaineering shoes, slippers and sandals. In addition, this material is also used in the field of sound insulation boards, gymnastic mats and sealing materials. Shunde, Zhongshan in Guangdong, Jinjiang in Fujian, Quanzhou in and Zhejiang in Wenzhou are the main production bases of China's shoes industry, which consume a great deal of them every year.
