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The difference between PU safety shoes and general safety shoes

by:BEF     2020-12-07
PU Chinese name is polyurethane, hereinafter referred to as polyurethane, is made up of isocyanate and polyol compounds by chemical reaction. Open Kong Wei hole elastic structure, belongs to the microporous elastomer, bubble hole diameter in 0. 01 - 0. 1 mm, free foaming density 0. 25 - 0. 35, forming density 0. 3 - 1. Because the polyurethane has superior wear resistance, high elasticity, lightweight, hydrolysis resistance, resistance to low concentration of acid, alkali, organic solvents, and anti-aging, etc, so the use of the safety of the polyurethane sole with a soft, warm, anti-bending of, oil resistance, abrasion resistance, etc, compared with rubber, wear-resisting degree is more than 6 times of rubber, can also be in accordance with the requirements for use in a wide range to adjust its density and hardness, double soles made double density. Compared with the commonly used soles, pu soles, much lighter materials, only 0. 3 - 0. 8, is especially suitable for requirements of impact resistance, prevent perforation platform shoes. Worldwide about 15% polyurethane (pu) production safety shoes soles. For the steel dies using polyurethane materials sole requirement is low, making convenient save investment and forming method is simple, both can produce the soles but also for production of shoes, and a variety of fabrics and at the end of the stick relay strong, flexible varieties and production change, suitable for modern industrial production.
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