FIELD: process engineering.
SUBSTANCE: invention relates to laminar materials, particularly, to rigid plate minerals. Laminar material cover layer comprises plate-like monocrystalline aluminium oxide particles with crystalline lattice of corundum.
EFFECT: higher resistance to scoring and abrasion.
13 cl, 1 tbl
Authors
Dates
2014-08-10—Published
2010-03-20—Filed