What material is the pu foam sole of shoes?

1.pu foam sole is made of polyurethane, which is a polymer with repeated structural units of polyurethane segments generated by the reaction of isocyanate and polyol. Compared with ordinary rubber soles, polyurethane soles have the characteristics of light weight and good wear resistance.

2. Shoes, articles worn on the feet to prevent foot injuries, were mostly sandals and cloth shoes in the early days of human civilization, and now they are mostly leather shoes, sports shoes, casual shoes and high heels.

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