Friction Dust is crossed linked product obtained from the reaction of Cashew Nut Shell Liquid with different aldehyde donors like Formaldehyde/ hexamine /Para Formaldehyde to achieve the desired Friction dust properties. Basically it is a phenol formaldehyde resin, which is polymerized and reacted with any one of the aldehyde donors and made to powder form of various standard mesh sizes.
It is a granular, brown or black color, free flowing polymerized resin. It is used as a Friction Modifier which consists of cashew resin and additives and modifiers used to meet the specific requirement of the brake lining formulations.