Patent ID: 8057591
Filing Date: 2011-11-15
Classification: F16D,Y10T

Abstract:
1. Non-asbestos organic friction material without steel fibers comprising: thermosetting resin functioning as a binder; inorganic abrasive material including 0.5-10 volume % of inorganic particles relative to the total amount of the friction material; and lubricant including graphite having the average particle diameter of 200-500 μm and petroleum coke having the average particle diameter of 600-900 μm in the amount of 8-15 volume % relative to the total amount of the friction material, said inorganic particles are 5-8 Mohs' hardness and an average particle diameter thereof is 0.5-10 μm, and a proportion of graphite and petroleum coke is 2:8-3:7 volume ratio.