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佰盛塑膠原料經(jīng)營部
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Natural Rubber - Natural rubber is nature's main "ready-made" contribution to the elastomer field. It has high resilience, outperformed only by some of the more recent man-made polyisoprenes and polybutadienes. It exhibits very good tensile and tear properties over a wide stiffness range and has excellent resistance to cold flow. Abrasion resistance is good. Natural rubber has better low-temperature flexibility than most synthetics, but is not as good as silicone rubber. Natural rubber does not age as well as many of the synthetics nor is it as chemically inert as some. It is inferior to many of the synthetics for heat aging, resistance to sunlight, oxygen, ozone, solvents or oils. A general purpose elastomer intended primarily for aqueous liquid fill products in the 4.0 - 7.5 pH range. Natural rubber has the best elasticity of all rubber types. It has very good resistance to abrasion and fatigue. Among the drawbacks are the material’s poor resistance to ozone (weather) and oils and fuels.