PARAMETERS 

SPECIFICATION

1

Average particle size,, μm              

60-100 nm

2

Whiteness %                              

92 min

3

Absorption oil , ml/100g        DOP  

25±3

4

PH(100g/l % )

8.5-9.5

5

Moisture content, %                   

0.5 max

6

Treatment

Fatty acid

CaCO3 content (Dry basis), %   

95 min

CaO,%                                           

53min

MgO,%                                            

0.8 max

HCL insoluble Material max % 

0.1max

Fe,%                                             ≤

0.05

Matter volatile at 105°C % m/m

0.5 max

activation(%)                         

98 min

SSA(specific surface area) m2/g  (BET)

20-22

gravity    g/cm3                          

2.5

Ignition loss (%)

45