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Contact SupplierAppearance: white powder
Whiteness:≥95%
Average grain diameter(um):0.9~1.2
Sieves -odd thing (325mesh):Tr
BET Surface:12000+/-200
Moisture: ≤0.22%
PH value: 7~8.5
Specific gravity:≥4.35
Absorbed Oil:17.0~21.0 %
105°C volatile matter :≤ 0.5