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Hoticulture Perlite is super lightweight, inorganic, easy to construction, innocuous. It has superior nature in preserving water and chemical fertilizer; sustained release; plant rooting, without pests because we adopt volcanic lava with high porosity. It's widely used in seedling soil media, cultivation substance, soil amendment substance, city greening, garden roof, etc.
Main Properties：
|
Item |
Index |
|
Bulk Density |
40-120kg/m³ |
|
Moisture |
≤0.5% |
|
Thermal conductivity |
≤0.22W/M·K |
|
Color |
White |
|
SiO2 |
73.64% |
|
AL2O3 |
12.09% |
|
K2O |
3.94% |
|
Na2O |
4.14% |
|
CaO |
1.04% |
|
MgO |
0.07% |
|
Fe2O3 |
1% |
|
Less on ignition |
3-5% |
|
Size |
1-3/2-4/3-6/4-8mm |
