The national machinery industry standard JB/T5071-1991 is defined as: asbestos inorganic fiber , metal reinforcing fibers, high carbon iron powder and fillers, using resin as a binder, it is a friction material made by a hot pressing process.
The national machinery industry standard JB/T5071-1991 is defined as: asbestos inorganic fiber , metal reinforcing fibers, high carbon iron powder and fillers, using resin as a binder, it is a friction material made by a hot pressing process.