| CHEMICAL CHARACTERISTIC: | |
|---|---|
| SiO2 | 44% |
| Al2O3 | 19% |
| Fe2O3 | 9% |
| MgO | 27% |
| PHYSICAL CHARACTERISTICS: | |
|---|---|
| Combustion Temp | Will not burn |
| pH | 6.0-8.0 |
| Cation Exchange Capacity | 50-100 m |
| Free Moisture | <3% (total of free and intrinsic moisture) |
| Color | Tan |
| Particle Shape | Small cubes |
| Hardness | 1.5-2.0 mohs |
| Density | 5-7 1/2% #/ft3 |
| Particle Size Distribution #4 grade: | |
|---|---|
| +16 | 0-10 % |
| 16/50 | 70-100 |
| 50/100 | 0-20 |
| -100 | 0-10 |