Patent ID: 8114322

Claim:
A method for manufacturing a friction material, the method comprising: mixing a volcanic black rock with an additive to prepare a raw material, wherein the additive includes potassium permanganate, iron oxide, and whitestone; melting the raw material to create a melt; forming inorganic fibers from the melt, the fibers between seven and fourteen microns in diameter; cooling the inorganic fibers; mixing the inorganic fibers with a binding agent; filling a mold with the mixture of the inorganic fibers and the binding agent; and curing the mixture to form the friction material comprising: laying up a first layer of the friction material comprising a mixture of the inorganic fibers at least between 0.5 and one inches long, and resin in a lay-up plate; setting the first layer at about 400 Pounds per Square Inch (PSI) and curing the first layer at between 275 degrees centigrade and 350 degrees centigrade in an autoclave; and setting up a second layer under of about 400 PSI and curing the second layer at between 275 degrees centigrade and 350 degrees centigrade in an autoclave.