... ,strong air permeability, 4,high friction 5,deformation-resistant, Dacron Needle Traction Belt Traction belt is used for the transmission of ... is the special belt of stacking of crossing-bridge.Dacron Needle Traction BeltTypeDL-6Material100%PETThicknessAbout 10mmWeight2.5kg/square meterWidth900~3000mmHeat resistanceDynamic ...