Specifications of Black Rainbow Carborundum:
| Thermal Conductivity: | High (100 W/m-K) approximately. |
| High strength at elevated temperatures | SiC is 7.5 times stronger than Al2O3 (1000°C) |
| Incompatibilities: | None |
| Gradation: | ANSI & FEPA |
| Odor: | Odorless |
| Color: | Black |
| Hardness: | Knoop 2480 – 2550 / Mohs 9.1 |
| Specific Gravity: | 3.2 (SiC) |
| Bulk Density: | 1.45 – 1.55 |
Black Rainbow Carborundum Sizes Available:
Macro Grit Sizes: 8 grit – 240 grit (ANSI); P12 – P220 (FEPA).
Micro Grit Sizes: F280 grit – F1200 grit (FEPA); P240 – P3000 (FEPA)
JIS Sizes upon request are available in finer sizes only.
Common Applications for Black Rainbow Carborundum Grit & Powders:
- Ceramic, metal lapping, and polishing applications
- SiC Sandpaper, grinding wheels, cut off tools
- Slicing of silicon carbide wafers
- Rock and stone polishing and engraving
- Slicing, lapping, and polishing glass and germanium wafers
- The lapping of piston rings and gears
- Grinding of nonferrous materials
- Finishing tough and hard materials
- Bonded abrasive tool applications
- Glass etching and glass carving industries
- Rock tumbling industries – Lapidary use, vibratory machines
- Concrete additive: anti-slip grit on concrete flooring
Black Rainbow Carborundum Split Sizes:
- 16/36 (anti-skid broadcasting blend)
- 30/60 (often used in making saw blades)
- 46/70 (rock tumbling)
- 54/70 (rock tumbling)
- 60/90 (rock tumbling)
- 100/120, 120/220 (rock tumbling)
- 150/220 (rock tumbling)
- 180/240, 500/600 (rock tumbling)
Edward (verified owner) –
Very well worth the money.