Asbestos-free friction material

Details Asbestos-free friction material Asbestos-free friction material

1981-10-01

1983-02-08

Jacobs, Lewis T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523155, 524440, 524444, 524447, 524449, 524456, C08L 906, C08L 6106, C08L 6300

Patent

active

043730388

ABSTRACT:
An asbestos-free friction material useful for brake linings, clutches, etc. comprising 5 to 25% by weight of a hardenable binder or binder mixture, 1 to 70% by weight of a reinforcing fibrous material and conventional additives, the said reinforcing material consisting essentially of 2.5 to 12% by weight of aramide fibers, 6 to 25% by weight of mineral fibers and 16 to 36% by weight of steel fibers and optionally 5 to 20% by weight of powdered mica.

REFERENCES:
patent: 4130537 (1978-12-01), Bohrer
patent: 4145223 (1979-03-01), Iwata
patent: 4197223 (1980-04-01), Bartram

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