... :60-70A 4.abrasion:300mm3 5.elongation:300% rubber conveyor beltusage:widely used for metallurgy,mine,road,harbor,dock,electricity,coal,cast ... , alkali, heat, cold and other characteristics of the rubber conveyor belt.Usage: mainly used in the mining, metallurgy, iron and steel, coal ... joint methods: Then all of a conveyor belt into the ring must be used, so the conveyor belt joints a direct impact on ...