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Description
| CHEMICAL COMPOSITION | UNIT | TYPICAL | TARGET |
| Potassium Sulphate (K2SO4) | % | 97.00 | 95.00 Min. |
| K2O Equivalent | % | 52.80 | 52.00 Min. |
| Potassium (K) | % | 43.80 | 43.0 Min. |
| Total Sulphate (SO4) | % | 54.95 | 54.50 Min. |
| Chloride (Cl) | % | 0.20 | 0.50 Max. |
| Sodium (Na) | % | 0.70 | 1.25 Max. |
| Sulphur (S) | % | 18.30 | 18.00 Min. |
| Moisture (H2O) | % | 0.05 | 0.15 Max. |
| Insolubles – in water | % | 0.20 | 0.40 Max. |
| pH – in water at 25 oC (5.0% Solution) | – | 7.00 | 6.00 – 9.00 |
| Magnesium (Mg) | % | 0.01 | – |
| Calcium (Ca) | % | 0.06 | – |
| Iron (Fe) | % | 0.01 | – |
| PARTICLE SIZE, PERCENT CUMULATIVE | ||||
| US MESH | UNIT | SCREEN OPENING | TYPICAL | TARGET |
| + 40 | % | 0.422 mm | 0 | 0 – 5 |
| + 50 | % | 0.297 mm | 15 | 2 – 20 |
| + 70 | % | 0.211 mm | 40 | 15 – 45 |
| + 100 | % | 0.152 mm | 60 | 40 – 75 |
| + 140 | % | 0.104 mm | 75 | 55 – 85 |
| +200 | % | 0.075 mm | 85 | 70 – 95 |
| SGN | 17 | 10 – 25 | ||
| PHYSICAL PROPERTIES | ||||
| UNIT | TYPICAL | TARGET | ||
| Bulk Density | kg/m3 | 1762 | 1682 – 1922 | |
| lb/ft3 | 110 | 105 – 120 | ||
| Colour | Pink | |||
| Angle of Repose | Degrees | 32.1 | ||
