Vermiculite concentrate
Vermiculite is a hydrated magnesium aluminum silicate mineral which resembles mica in appearance , exfoliates (expands), when rapidly heated above 1000°C. The product exfoliates like a harmonica and becomes several times bigger than its original crude. It’s color can vary slightly according to it’s origin, available in silver and golden yellow color.
Vermiculite can be used in various different applications :Agriculture, horticulture, construction, industry ,etc.
Size(mm) | 0-0.3mm 0.3-1mm1.5-2.5mm0.5-1.41mm1-2mm2-4mm 3-6mm4-8mm |
Color | Silver, golden |
Impurity (%) | 8%-15%max |
Asbestos | None |
Moisture before exfoliation( %) | 5% |
Fusion Point,(°C) | 1320°C-1370°C |
PH | 7-11 |
Packing | Jumbo bag |
Supply ability | 5000tons/month |
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage% | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |