... :about 50FM Dacron Acupunctural Traction Belt Traction belt is used for the transmission of producing process of corrugated paper, and stacking ... /3000N Air permeabilityAbout 50 FM Features: Aramid acupuncture corrugated board conveyor 1, high temperature, 220 degrees 2, tensile, anti-distortion 3 ... meter is about Kevlar 4, permeability, 5, no indentation 6, for tile line speed: 160 ~ 260m