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Light green ,blocky,higher strength.Widely used for heavy duty application demanding long wheel life.
Dark green, polycrystalline, rough surface, irregular shape, easy fragile, medium strength,combination of grinding efficiency with service life, and used in the long life and efficient grinding of gemstone, vitrified, glass and carbide tool.
| US Mesh(FEPA) | 40/50 (D427) | 50/60 (D301) | 60/80 (D252) | 80/100 (D181) | 100/120 (D151) | 120/140 (D126) | 140/170 (D107) | 170/200 (D91) | 200/230 (D76) | 230/270 (D64) | 270/325 (D54) | 325RVE1/400 (D46) |
| RVE1 | * | * | * | * | * | * | * | * | * | * | ||
| RVE2 | * | * | * | * | * | * | * | * | * | * |
