Application:Suitable for heavy materials conveying, especially suitable for high abrasion, high pilling density and severe working condition in metallurgical, construction, electric power, chemical, and port industries. Features:Covering rubber with excellent abrasion resistance Good tearing and impact resistance properties Good bonding between layers, no concern for layer separation Good weathering, ozone, UV light resistance properties. Small elongation, suitable for short tight distance conveying system. Specification and Main Technical Data: NN-200,NN-300,EP-200,EP-300 Specifications can be selected for the bone materials per customer's different working conditions and different requirements.