Classification of artificial corundum abrasives
1. According to the production method, corundum is divided into: light-fired (1350-1550℃) corundum (also known as light-fired a-Al-O), sintered (1750-1950℃) corundum, and fused corundum.
2. According to the crystal form, corundum is divided into: tabular or flaky corundum, columnar corundum, granular corundum, single crystal corundum, microcrystalline corundum, beta corundum, a, beta-corundum (the former is related to the production method, beta-corundum and a, Aberdeen corundum is related to Na, O content).
3. Corundum is divided into: white corundum, brown corundum, red corundum (ruby), blue corundum (sapphire), green corundum, black corundum, white and blue corundum (white sapphire), purple corundum, transparent corundum, yellow corundum .
4. According to the type of impurities, corundum is divided into: chromium corundum, zirconium corundum, titanium corundum, vanadium corundum, nickel corundum, praseodymium neodymium corundum, tin corundum, mixed corundum, etc.