FIELD: process engineering.
SUBSTANCE: invention relates to abrasive industry, particularly, to production of abrasive grains, grinding and micro powders with coat used in making various tools as well as solo product. Proposed material comprises material particles with their surface coated discontinuous with nano coat made up of dispersed lubing agent in amount of 0.01 - 5.00 wt % of unprocessed material bulk. Said dispersed coat consists of iron, silicon and aluminium oxyphosphates structurally bonded with material particles surface phosphorus atomic groups with amount phosphorus compounds in total composition of coat making 0.5 - 1.5 wt %, while that of finely dispersed iron, silicon and aluminium makes 2 to 6 wt %.
EFFECT: higher efficiency, no harmful effects of environments.
1 dwg, 1 tbl
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