FIELD: mining.
SUBSTANCE: invention relates to reinforcing filler produced from schungite from "Bakyrchik" deposit in East Kazakhstan region, and can be used in manufacture of rubber products and composite materials - plastics based on polyethylene. Schungite concentrate from "Bakyrchik" deposit in East Kazakhstan region with carbon content 13.0-62.0 % is crushed to fraction of minus 8-10 mcm.
EFFECT: invention widens field of use of schungite and range of reinforcing fillers for production of rubber products and composite materials.
1 cl, 2 tbl, 5 ex
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