Friction plates performances of high and stable friction coefficient,close coefficient of static friction and coefficient of sli Paper Friction Material:Friction plates,clutch disc,brake discAverage coefficient of kinetic friction μd=0.11~0.15; Coefficient of friction of rest μs=0.12~0.17; Rate of wear <5.0×10-8cm3/Jthe product has high and the stable friction coefficient, static, the coefficient ...