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Question:

What kind of material does the sole of mountaineering shoe use?

What kind of material does the sole of mountaineering shoe use?

Answer:

At present, the most commonly used materials for climbing shoes soles can be divided into rubber, EVA, PU, MD and so on.
Rubber (RB): used for all kinds of sports shoes outsole, at the same time, high-grade rubber is also often used as high-grade leather shoes sole material.Advantages: non slip, flexible, easy to break, good softness, good stability, extension and shrinkage, good hardness and good bending.Disadvantages: heavier, Yi Tushuang (is a quality problem), easy to be pierced through; permeability, moisture absorption is not good, afraid of oil immersion, should not be in the gas station and other places to wear oil.
(1) natural rubber: the advantage is that it is very soft, very flexible, applicable to all kinds of sports shoes, but the disadvantage is that it is not wear-resistant. Indoor sports shoes, multi-purpose natural rubber.(2) synthetic rubber: it is divided into wear-resistant rubber, environmental protection rubber, air rubber, viscous rubber, hard rubber, and carbon rubber.
A. wear-resistant rubber: wear-resistant rubber wear resistance and toughness are very good, so very durable, usually in the soles of labor shoes on the use ofB. environmental protection rubber: also known as recycled rubber, this rubber outsole contains up to 10% recycled rubber, the main purpose is to environmental protection.C. air rubber: Rubber contains air, has a certain shock absorption function, but not very wear-resistant, not widely used.D. viscous rubber: viscous rubber is characterized by good flexibility, and is very slippery, generally used in indoor sports shoes.E. hard rubber: hard rubber is the most comprehensive rubber in the outsole rubber. It is tough, slippery and very wear-resistant. It is also widely used. Multifunctional shoes and basketball shoes are mostly made of this kind of rubber.F. plus carbon rubber: adding the carbon in the ordinary rubber material, the rubber is more durable, mostly using the rubber shoes, and will leave a BRS letter in front part of shoes soles, to use carbon rubber outsole.
PU:Polyurethane abbreviation, Chinese name for polyurethane, referred to as polyurethane, polymer polyurethane synthetic materials. With simple modifications, different density, elasticity, rigidity and other physical properties can be obtained. At present, a large number of glass fiber insulation materials, wood, traditional rubber products and so on.Advantages: high hardness, wear resistance, good elasticity, comfortable to wear light; oxidation resistance, flexing resistance, not easy to wrinkle, chemical resistance, excellent damping; skid resistance; good heat resistance; corrosive environment.Disadvantages: strong water absorption, easy yellowing, easy fracture, poor elongation, no water resistance, easy rotting at the bottom, poor ventilation.3.EVA: vinyl acetate copolymer, high polymer material.The utility model has the advantages of portability, good elasticity, good flexibility, uneasy wrinkle, excellent coloring, suitable for various climates, and low cost.Disadvantages: easy to absorb water, easy to dirty, skid resistance is extremely poor, after the soles of the water stained, just like wearing a roller skates.

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