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正常情况下,钢丝绳芯输送带的寿命终结是以覆盖胶磨损到不能使用为标志的。对于阻燃钢丝带的覆盖胶,基本上有两方面的技术要求,一是安全性,包括酒精喷灯燃烧指标、表面电阻指标、滚筒摩擦指标和巷道丙烷燃烧指标;二是物理机械性能,主要包括拉伸强度、拉断伸长率、磨耗等。为了综合满足以上指标
Under normal circumstances, the end of the life of the steel cord conveyor belt is covered with rubber wear can not be used as a sign. For the flame retardant steel tape covering plastic, there are basically two technical requirements, one is safety, including alcohol burner burning index, surface resistance index, roller friction index and roadway propane combustion index; the second is the physical and mechanical properties, including Tensile strength, tensile elongation, wear and so on. In order to meet the above indicators