Horticultural Perlite - “Super Soil” Why Perlite is such an important soil component in today's container grown and potted plants!!! The role of Perlite “Super Soil” particles in a soil mix allows air spaces to form, where oxygen and water have free movement.
| Appearance | Dull White |
|---|---|
| Loose Density | 55 – 85 Kg/ Cu. M |
| Compact Density | 60 – 100 Kg/Cu. M |
| Void Space | 80–90% |
| Hardness (MOHS) - Perlite Ore | 5.5 |
| Water Holding Capacity [by Weight] | 325 – 375 % |
| Moisture Content | 0.5 Max. |
| pH Slurry 10% in Water | 6.0 – 8.0 |
| Loss on Ignition % (Max.) | 2.5 |
| Mesh [A.S.T.M.] | Typical Value in % |
|---|---|
| + 18 (1.00 mm) | 5 - 15 Min |
| + 100 (0.15 mm) | 70 Min |
| Silicon Dioxide % | 71–76 |
|---|---|
| Aluminum Oxide % | 10–14 |
| Ferric Oxide % (Max) | 0.40 |
| Ferrous Oxide % (Max) | 0.50 |
| Calcium Oxide % | 0.50 |
| Magnesium Oxide % | 0.20 |
| Sodium Oxide % | 3 – 4 |
| Potassium Oxide % | 4 – 5 |
| Organic Matter % | Nil |
| Appearance | Dull White |
|---|---|
| Loose Density | 80 – 120 Kg/ Cu. M |
| Compact Density | 90 – 130 Kg/Cu. M |
| Void Space | 80 –90% |
| Moisture Content | 0.5 Max. |
| pH Slurry 10% in Water | 6.0 – 8.0 |
| Hardness (MOHS) | 5.5 |
| Loss on Ignition % (Max.) | 2.5 |
| Mesh | Typical Value |
|---|---|
| [A.S.T.M.] | in % |
| + 10 (2.00 mm) | 10 Min. |
| + 100 (0.15 mm) | 80 Min. |
| Silicon Dioxide % | 71–76 |
|---|---|
| Aluminum Oxide % | 10–14 |
| Ferric Oxide % (Max) | 0.40 |
| Ferrous Oxide % (Max) | 0.50 |
| Calcium Oxide % | 0.50 |
| Magnesium Oxide % | 0.20 |
| Sodium Oxide % | 3 – 4 |
| Potassium Oxide % | 4 – 5 |
| Organic Matter % | Nil |