... non-face:1.5 to 4.5mm nylon fabric conveyor beltGB/T7984-2001standardThin belt body, high strength, impact resistance, good trough ability ... , chemical industry, metallurgy, construction, ports and other sectors Specs: 1. With core material: NN100,NN150,NN200,NN250,NN300,NN350,NN400,NN450 ...