FIELD: friction materials. SUBSTANCE: composition has, wt.-%: phenolformaldehyde resin 12-14; butadiene-nitrile rubber 2-4; barite concentrate 16-20; alumina 9-11; bronze chip 4-6; copper powder 9-10; 2,4-toluylenediisocyanate blocked with caprolactam 0.5-3; graphite 1-2, and basalt fiber - the rest. Friction coefficient of material in friction pair with counterbody made of gray cast iron is 0.36-0.41. Index of energy wear is (1,3-1,9)·10-6 cm3/kgm. Composition is used in brake systems. EFFECT: enhanced quality of composition. 2 tbl
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Authors
Dates
1995-05-10—Published
1992-08-25—Filed