BEF shoe materials Co;LTD
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1。 Ordinary rubber sole, RB) :
rubber (RB is English Rubber) The abbreviation of; Hot compression molding, natural rubber and reclaimed rubber. Heavy, oil resistant, molding bottom must be in the joint surface coarse grinding, easy to shorten the heating, color is not consistent.
advantages: good wear resistance, and antiskid, elastic, not easy fracture, flexibility is good, good expandability and shrinkage stability, hardness, bending and waterproof.
faults: heavy, easy to spit the frost ( Belong to quality problems) , not easy corrosion ( Environmental issues) ; Not hard, easy to be pierced through; Bad air permeability, hygroscopicity, afraid of oil immersion, should not be in the filling station in contact, such as oil.
2。 High-pressure polyethylene rubber bottom
flavour ingredient in high pressure polyethylene and rubber soles, rubber and plastics.
raw rubber, quality, and the heavier and more expensive, oil resistant, no heat. Easy to change color.
3。 SBR base:
styrene-butadiene rubber ( 丁苯橡胶) In butadiene and styrene monomer was synthesized by copolymerization of polymeric elastomer material, quality and purity, less impurities mixed with. Soluble in benzene, toluene, gasoline, chloroform and other organic solvents. Styrene-butadiene rubber molecules in the unsaturated double bond and vulcanizing agent by replacing or addition reaction to form crosslinked network structure, the reinforcing agent after reinforcement of styrene-butadiene vulcanizates with high physical and mechanical properties.
styrene-butadiene rubber vulcanization is slow, but cure good flatness, difficult to sulfide, ageing resistance, heat resistance, abrasion resistance and other excellent properties.tag: rubber sole
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