Newly ArrivalOptical Glass Use Srf2 Powder - High Quality And Purity Nano Calcium Carbonate Powder 99.9% – Suoyi

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Item

Unit

Index

CaCO3

%

98

Specific surface area

m/g

28±3

Specific gravity

g/cm

2.40-2.55

Average grain diameter

nm

50-80

MgO

%

0.4

Fe

%

0.04

HCl insoluble

%

0.1

Moisture

%

0.3

PH

 

8.9

DOPoil absorption value

gDop/100gCaCO3

25-29

Whiteness

 

96

Activation rate

%

98

 Package:  25 KGS woven bags or as customized