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Diatomaceous earth physical property | Diatomaceous earth chemical property | ||||||
Grade | Food grade | SiO2 | ≥90.1% | ||||
Color/Appearance | Powder | Al2O3 | ≤4% | ||||
Small size | Nano size | Fe2O3 | ≤1.5% | ||||
Specific Gravity | 2.3 g/cm³ | CaO | ≤0.6% | ||||
Moisture | ≤1.0% | MgO | ≤0.5% | ||||
Loss On Ignition | ≤3.8% | Others | ≤0.8% | ||||
PH | 7-9 | Pb, mg/kg | <0.3 | ||||
PH Slurry | 9.20-10.20 | Water Diffluence | <25mg/l | ||||
Bulk Density | 0.38-0.45 g/cm³ | Arsenite | <4 ppm | ||||







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