Or vinyl acetate copolymer EVA, general (vinyl acetate
Content at 5% ~ 40%.
Compared with polyethylene, EVA due to the introduction of vinyl acetate monomer in the molecular chain, which reduces the high crystallinity, improve the flexibility, impact resistance, heat intermiscibility of filling and sealing performance, are widely used in foaming shoe materials, functional films, packaging film, hot melt adhesive, wire and cable and toys, and other fields.
rubber according to the raw materials can be divided into natural rubber and synthetic rubber.
According to the form into the massive raw rubber, latex, liquid rubber and rubber powder.
Some latex for rubber gel;
Oligomer liquid rubber for rubber, unvulcanized former general for sticky liquid;
Powder rubber latex processing into powder, and ingredients and processing production.
In the 1960 s the development of thermoplastic rubber, without chemical vulcanization, and use of thermoplastic processing method.
EVA although cold insulation, insulation but easy to skid.
Their price is different also, physical properties,
Abrasion resistance, scratch, variable line, elasticity, etc. )
Is different also.
compare wear-resisting rubber soles
EVA foam, not wear-resisting
tag: rubber sole
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