Sports shoe sole material classification and performance are introduced

sports shoe sole material classification and properties of introduction

1) Rubber: used for various sports shoes sole; Advantages: good wear resistance, and antiskid, elastic, not easy fracture, flexibility is good, good expandability and contraction stability, good hardness, good bending. Weakness: the heavier weight, easy to spit the frost ( Belong to quality problems) , not easy corrosion ( Environmental issues)

( 2) PU: polyurethane synthetic polymer materials, often long for basketball, tennis shoes in the bottom, also can be directly used for recreational shoe soles. Advantages: high density, hardness, wear resistance, good elasticity, good oxidation resistance, easy corrosion conducive to environmental protection, not easy to fold. Disadvantages: water imbibition is strong, easy to become yellow, easy to fracture, elongation rate, water resistant, perishable.

( 3) EVA soles: vinyl acetate copolymer, polymer materials. Used to jog, walk, casual shoes, foot in the shoe bottom. Advantages: lightweight, good elasticity, good flexibility, not easy to wrinkle, has excellent color, suitable for all kinds of weather. Disadvantages: easy to water absorption, not easy corrosion adverse environmental protection, easy to dirty.

( 4) PHYLON（ 医学博士) : belong to EVA sole secondary high pressure FRP products, running shoes, tennis shoes, basketball shoes in the world in the bottom of the main materials, can also be used for recreational shoe soles. Advantage: light, elastic, fine appearance, excellent softness. Easy to clean, hardness, density, tensile, tear, elongation. Disadvantages: not easy corrosion adverse environmental protection, high temperature easy to wrinkle, easy to shrink.

( 5) TPR: TPR aggregates hot-melt injection molding after forming, is often used to jog, walk, casual shoes in the bottom, bottoms. Advantages: easy to get fit, the price is cheap. Weakness: the material weight, poor abrasion ( Don't wear) Poor, poor flexibility, bending, Not folding) Poor, shock absorption capacity

6) Performance comparison: TPR than major, is relatively heavy, elastic, wear-resisting degree of general. Rubber soles proportion is bigger also, but very soft, very wear-resisting, grip is strong, but flexible, general use on the indoor soccer shoes and casual shoes. EVA bottom is light, elastic, just wear long elastic decreases, and become the steadfast point. PU, MD, elastic deformation, and over a long when motion is more flexible and comfortable, the proportion of small, very light, so is used more widely, PU is better than MD density bigger shock absorption effect, but also relatively heavy) , general big plate with a rubber, wear-resisting non-slip.

tag: EVA sole
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