... elongation:300% rubber transmission beltusage:widely used for metallurgy,mine,road,harbor,dock,electricity,coal,cast,building materials,food, ... the rubber conveyor belt.Usage: mainly used in the mining, metallurgy, iron and steel, coal, electricity, water, building materials, ... Powerful type of canvas is divided into nylon rubber conveyor belt rubber conveyor belt (NN conveyor belt) and polyester ...