FIELD: mechanical engineering. SUBSTANCE: invention concerns tribotechnical compositions constituted by mixture of exclusively naturally occurring minerals with predominant content of magnesium hydrosilicates, which find use for creating and restoring wear-resistant rubbing surfaces of various machines and mechanisms. Composition of invention contains, wt.%: chrysotile, 72-78; magnetite, 14-16; talc, 0.5-1.5; calcite, 4-6; clinochlore, 1-3; tremolite, 1-3; and quartz, up to 1. Dispersity of mixture mainly varies from 0.01 to 100 mcm. EFFECT: increased longevity and wear resistance of rubbing surfaces. 2 cl, 5 ex
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