... -face:1.5 to 4.5mm nylon beltGB/T7984-2001standardThin belt body, high strength, impact resistance, good trough ability, ... interlayer adhesion force, excellent flex and long life for the long-distance, high load, high-speed ... on mining, coal field, chemical industry, metallurgy, construction, ports and other sectors Specs: 1. With core material: NN100,NN150,NN200 ...