Black carborundum is a non-metallic mineral product which is v under the condition of high temperature above 1800 ℃.
Features:
High hardness, low coefficient of expansion, brittleness, high temperature resistance, good thermal conductivity.
Application:
Used for machinery, metal, cast iron, stone, leather, steel and other superhard materials sandblasting,derusting,cleaning, polishing,surface fine treatment, fine grinding, high temperature refractory materials, anti-corrosion treatment, bonded abrasives,coated abrasives, cutting wheels, etc
| Grit | SiC content | Si content | Fe content | C content |
| #24-#100 | ≥99.0 | ≥0.3 | ≥0.25 | ≥0.2 |
| #120-#220 | ≥98.5 | ≥0.3 | ≥0.25 | ≥0.2 |
| #240-#400 | ≥98.5 | ≥0.3 | ≥0.25 | ≥0.2 |
| #500-#800 | ≥98.0 | ≥0.4 | ≥0.25 | ≥0.25 |
| #1000-#1500 | ≥97.5 | ≥0.4 | ≥0.25 | ≥0.25 |
