| 摘要 |
FIELD: manufacture of porous abrasive tool for working metallic and non-metallic materials such as marbor, compositions of marbor and granite crumbs. SUBSTANCE: composition includes abrasive, unsaturated polyester resin, hardener and aerosyl, blowing additive - powdered synthetic detergents. EFFECT: enhanced cutting capability of abrasive tool, lowered temperature in cutting zone, increased strength of tool. 2 tbl
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