PPE

Common vamp materials of safety shoes

First: natural leather, such as cowhide, pigskin, sheepskin, shark skin, horse skin and so on. 1t has very good air permeability, softness, hygroscopicity and other advantages, but the material price is high, not easy to buy, so it is generally used to manufacture high-grade leather goods

the second kind: nylon cloth, which is widely used in sports shoes, has the characteristics of high softness, light weight, moisture absorption and heat preservation

the third kind: all kinds of PVC skin, with large output, easy to control products and low price, but poor hygroscopicity, easy deformation and high temperature resistance

the fourth kind: Pu, which is easy to produce, large quantity, has certain moisture absorption and permeability, but it is not easy to deform, not easy to shape, and less expansion. At present, PU material is generally used in the soles of safety shoes

the fifth kind: canvas material, which has good expansibility and softness, is generally used to make sulfur sports shoes

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