Low cost, asbestos free friction material

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

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428367, 428394, 523153, 264 292, D02G 304

Patent

active

056057555

ABSTRACT:
A fiber blend for use in friction materials. The fiber contains a blend of a highly fibrillated fiber, such as a fibrillated polyacrylonitrile fiber and a fiber with a high carbon content, such as an oxidized carbon fiber precursor.

REFERENCES:
patent: 3935924 (1976-02-01), Nagao et al.
patent: 4866107 (1989-09-01), Doxsee et al.
patent: 5078926 (1992-01-01), McHenry et al.

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