Whiting Powder

Whiting p is also naturally occuring calcium carbonate.It exists in amorphous form where as calcite exists in crystalline form. Its amorphous form gives tremendous suspending powder in coatings. It is
also known as Porbunder Whiting.
Chemical Formula : CaCO3
Physical Properties :
Appearance : Creamish White Powder
Coarse particle on 240 mesh: max 0.5%
Sp.Gravity 2.7 to 2.9
PH of 10% aqueous solution : 8.0  to 9.0
Oil Absorption : 15 to 20
Volatile matter Max.1.0%
Purity as CaCO7.5 Min 85%
Chemical Composition :
CaCO3 : 85%
SiO2 : 1.10%
 

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