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Test items | Industrial grade talcum powder |
Whiteness(R457)(%) | 78-93 |
Fineness | 75μm-10μm |
PDS(D50) | —— |
SiO2% | 30-60 |
MgO% | 24-31 |
Loss on ignition(1000℃)(%) | 10-25 |
Oil absorption(g/100g) | —— |
Ferric oxide(%) | —— |
Aluminium oxide(%) | —— |
Arsenic | ≤2ppm |
Heavy Metals As Lead | ≤10ppm |
Asbestos | Not detected |