... the role of bearing material, it is widely used in metallurgy, building materials, electricity, wharf, mining and ... transportation replacement. The conveyor belt conveyor adapt in general conditions without special corrosive plants.the lump ... core layer have EP, D.S.E P two material, material for D.S.E P is ... are nylon 6, nylon 66 two material, material of nylon 66 in normal temperature and under high ...