| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: abrasive grain has a core made from fused spherical corundum, where the fused spherical corundum is in form of spherical Al2O3 grains formed by spraying a melt with a water-air mixture, where the spherical corundum is coated with a shell consisting of at least one binding agent and fine-grained abrasive solid particles. The invention also discloses a method of producing and versions of using said grains. ^ EFFECT: high quality of the abrasive grain and processing using said grain. ^ 23 cl, 3 ex, 1 tbl |
