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Contact Supplier| Weight per cubic foot | 52 pounds |
|---|---|
| Apparent Specific Gravity | 1.65 + .05 |
| Hardness | 3.0 - 3.8 MOH scale |
| Attrition Losses | Minimal |
| Shape Factor | Sphericity (surface area of equivalent sphere) (surface area of irregular vein) 61 Loosely packed .60 Tightly packed |
| Source | PA Eastern Middle Field, Mammoth Vein Average Ultimate Analysis (moisture & ash free basis) |
| Hydrogen | 2.1% |
| Carbon | 94.7% |
| Nitrogen | 0.8% |
| Oxygen | 1.6% |
| Sulphur | 0.8% |
| BTU | 14,828 |
| Acid Solubility (per AWWA B-100-80) | < 1% |
| Caustic Solubility | 1% NaOH @ 190oF |
| Grades Bag Color | Inches | Milimeter |
|---|---|---|
| 1 Orange | - | .6 - .8 |
| 1 ½ Blue | - | .85 -.95 |
| 2 Yellow | 3/16 x 3/32 | 2.0 - 4.0 |
| 3 Tan | 5/16 x 3/16 | 4.0 - 6.3 |
| 4 Green | 9/16 x 5/16 | 6.3 - 11.2 |
| 5 White | 3/16 x 9/16 | 11.2 - 17.5 |
| 6 Brown | 5/8 x 13/16 | 17.5 - 34.1 |