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| Acid Stability | 0.7 (pH) |
|
Alkali Stability
|
7-13 (pH) |
| Bulk Density (In Place, Dried | 87 lbs/ft3 (1,390 kg/m3) |
| Bulk Density (Aggregate, Dried) | |
| 4 x 6 mesh | 44-48 lbs/ft3 |
| 6 x 14 mesh | 45-47 lbs/ft3 |
| 14 x 40 mesh |
46-49 lbs/ft3
|
| - 40 mesh | 48-52 lbs/ft3 |
| Cation Exchange Capacity (CEC) | 1.0 - 2.2 meq/gm |
| Color | White ( optical reflectance) |
| Crushing Strength | 2500 lbs/in3 (176 kg/m3) |
| Hardness | 3.5 - 4.0 Mohs |
|
LA Wear (Abrasion Index)
|
24 |
| Molecular Ratio | 5.1 (Si/Al) |
| Other | non soluble, non slaking, free flowing, readily mixable |
| pH (natural) | 8.0 (approx) |
| Pore Size (diameter) | 4.0 A |
| Pore Volume | 52% (max) |
| Resistivity | 9,000 (approx.) ohms/cm |
| Specific Gravity | 2.2-2.4 |
| Surface Area | 1357 yd2/oz (40 m2/gm |
| Swelling Index | nil |
| Thermal Stability | 1202 F (650 C) |
