nano coated calcium carbonate for silicone and sealants

Specs Item

NPCC 802

Caco3 content(%)    

≥98

Crystal shape

Rhombohedral

Oil-absorbed value (gDOP/100gCaCO3 )

29-31

Specific surface area(m2/g)  

20-21

Activation grade (%)

99

PH value   

9.5-10

Whiteness  

96.5-97

Bulk Density(mg/ml)

0.03-0.04

Moisture(%)

0.15

average diameter(D50um)  

0.6-0.8