RK GARNET #20/40
RK GARNET #20/40: Product Overview
RK GARNET #20/40 is the most widely used abrasive grade for industrial surface preparation and marine blasting applications. Its balanced particle size delivers an ideal combination of cutting efficiency and controlled surface profile, making it highly effective for removing rust, coatings, and contaminants from steel surfaces.
Manufactured from 100% virgin Indian garnet, this grade ensures consistent grain quality, high hardness, and minimal dust generation during blasting operations. RK GARNET #20/40 is extensively used in shipyards, offshore maintenance projects, oil & gas facilities, and industrial fabrication industries where reliable surface preparation is essential for achieving high-performance coating systems. Its versatility and efficiency make it a preferred choice for professional blasting contractors across global industries.
Typical Applications
- Ship hull blasting and marine maintenance
- Surface preparation for offshore structures
- Cleaning of storage tanks and industrial equipment
- Removal of rust, scale, and old coatings
- Surface preparation before protective coatings
- General industrial blasting and maintenance work
Specifications
Typical Mineralogical Analysis
| Mineral purity of Garnet | 98.80 |
|---|---|
| Free Silica | 0.20 % |
| Others | 1.0% |
Typical Chemical Analysis
| SiO2 | 36.97 % |
|---|---|
| Al2O3 | 20.62 % |
| Fe2O3 | 38.28 % |
| MgO | 1.85 % |
| CaO | 1.07 % |
| TiO2 | 0.13 % |
Sieve Analysis (Typical)
| M.M | ASTM | Standard % | Actual % | CUM % |
|---|---|---|---|---|
| 0.850 | +20 | 25 | 20 | 20 |
| 0.600 | +30 | 50 | 42 | 62 |
| 0.425 | +40 | 30 | 28 | 90 |
| 0.300 | +50 | 10 | 9 | 99 |
| PAN | 1 | 1 | 100 | |
- SPECIFIC GRAVITY: 4.104 gm/cc
- HARDNESS (Moh’s): 7.5
- CHLORIDE: 10.32 ppm
- CONDUCTIVITY : 9.65mS/m
- TDS : 48.10 mg/l
- SUSPENDED SOLIDS : 2760 mg/l
- BULK DENSITY: 2,341 Kg/M³
Note: Variations in the size of grains occur from time to time although not guaranteed the grain distributions can be expected to be within the above ranges.
