Brake linings

Details Brake linings Brake linings

1989-08-31

1991-02-19

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523156, 524456, C08K 334

Patent

active

049945068

ABSTRACT:
Asbestos-free brake lining comprising phenolic resin and usual fillers and in addition an amount of a synthetic hydrated calcium silicate particle of xonotlite with a substantially spherical morphology and a mean diameter of 50 to 70 .mu.m with an open inner structure and an outer shell with a close limited crystal structure with pore openings of up to 10.sup.-7 m in the outer shell.

REFERENCES:
patent: 4101500 (1978-07-01), Brodsky
patent: 4313869 (1982-02-01), Littlefield
patent: 4363884 (1982-12-01), Ogiwara
A. A. Hodgson, "Alternatives to Asbestos and Asbestos Products", 1987, pp. 224-227.
Promat, "Promaxon.RTM.-A Synthetic Calcium Silicate With Unique Properties", Sep. 1988.

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