China High Quality Seedling Flower Planting Tree Planting Used Golden and Slivery Expanded Vermiculite, Find details about China Vermiculite, Soil Improvement from High Quality Seedling Flower Planting Tree Planting Used Golden and Slivery Expanded Vermiculite
Chemical Composition | SiO2 | Al2O3 | MgO | CaO | PH | Fe2O3 | impurity |
(%) | 41 | 18 | 21 | 0.8 | 7-10 | 3.5 | < 3 |
Chemical Composition | SiO2 | AL2O3 | MgO | CaO | FeO | Fe2O3 | TiO2 |
(%) | 41.2 | 12.68 | 24.22 | 0.96 | 1.54 | 4.06 | 1.33 |
Chemical Composition | K2O | P2O5 | H2O | Na2O | MnO | impurity | L.O.I |
(%) | 5.97 | 0.06 | 3 | 1.6 | 0.043 | < 5 | 6.71 |
size | bulk specific gravity(Kg/ m2) | water absorption(%) | thermal conductivity (k·m2·h·ºC) | impurity(%) |
4-8mm | 70-110 | 480 | 0.045 | 3 |
2-4mm | 80-120 | 465 | 0.045 | 3 |
1-2mm | 80-150 | 420 | 0.045 | 3 |
20-40mesh | 100-180 | 410 | 0.045-0.055 | 2 |
40-60mesh | 100-180 | 400 | 0.045-0.055 | 2 |
60-100mesh | 100-180 | 400 | 0.045-0.055 | 2 |