Sell Precipitated calcium carbonate for sealant

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Appearance
White powder

Particle shape
Cubic

Particle size
60-90 nm

CaCO3 content
>=95%

Whiteness
>=95

Dop oil adsorption (cc/100g)
<=40

Moisture
<=0.50%

Residue on 325 Mesh screen
<=0.10%

Specific surface area
>=21m2/g

Insoluble matter in HCl solution
<=0.50%

Yield value
100-200Pa

Surface coating treatment
Compound activated