Comparison table of abrasive materials symbols from China, Japan, US, UK, Germany, Russia, and International standards.
| Types of Abrasives | China | Japan | US | UK | Germany | Russia | International |
| (GB/T 2476-1994) | (JIS R6111-1987) | Norton | ISO | ||||
| Brown Aluminum Oxide | A | A | A | A | NK | э 16A-12A |
A |
| White Aluminum Oxide | WA | WA | 38A,WA | WA | EK | эB 25A-22A |
WA |
| Microcrystal Aluminum Oxide | MA | TA (Showa Denko K. K.) |
44A,SH | T | |||
| Pink Aluminum Oxide | PA | PA | PA, PW | 41A | FA | эX 34A-32A |
FA |
| Single Crystal Aluminum Oxide | SA | HA, MA | 32A, DA | M 45A-43A |
|||
| Zirconia Alumina | ZA | AZ, RG, RA | ZF, ZS | Z | |||
| Black Aluminum Oxide | BA | ||||||
| Black Silicon Carbide | C | C | 37C | BC | SC | Kч 55C-52C |
C |
| Green Silicon Carbide | GC | GC | 39C | C | SCG | Kэ 64C-62C |
GC |
| Cubic Silicon Carbide | SC | ||||||
| Boron Carbide | BC | 57A | B4C |
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