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RASTOGI TRADING COMPANY

CALCIUM CARBONATE
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Chemical Analysis
Parameter Value
Color   Bright White  
Solution in Hydrochloric Acid 5N   Clear
Soluble Alkali (as Na2O) as per IS:918-1968 Less than 0.2%
pH 9.8+0.5
Iron, Fe-max.   0.01%  
Manganese, Mn – max   0.003%  
Fluoride, F - max.   0.05%  
Phosphate, PO4 – max.   0.07%  
Sulphate SO4 – max. 0.25%  
Silica, SiO2 – max.   0.075%  
Aluminium, Iron, Phosphates and matter insoluble in Hydrochloric Acid as per IS:918-1968 – max.   0.5%  
Magnesia, MgO – max.   0.5%  
Lead, Pb – max.   10 p.p.m.  
Copper, Cu – max. 5 p.p.m.  
Arsenic, As – max.   2 p.p.m.
Chloride, Cl Trace  
Calcium Carbonate, CaCO3 – min. (Test method as in IS:918 – 1968)   98.5%  
Specific Gravity 2.65 to 2.8  
Loss on Drying at 105oC(%)   0.5 to 0.8  
All percentages on weight basis
  
 

THE FUNCTIONAL FILLER - PCC

PROPERTIES


 

Brightness (dry)

97(1)
Einlenhner Abrasion <7mg
pH      10.2(.5)
Mean Particle Size      1.3

ACHIEVE

 
HIGHER BRIGHTNESS
HIGHER OPACITY
HIGHER BULK
SAVING IN FIBERS

PAPER

Industries 

Typical Applications

 

Paper

In paper coating for brightness, smoothness, opacity and ink receptivity.

In cigarette paper for control of opacity and burning rate. As cost-effective filler in alkaline sized papers giving high brightness and opacity. 

 

 

 

Specifications:
The heavy calcium carbonate for coating materials of paper-making is mainly used
in producting art paper,coating paper etc.
spec.:
content of calcium carbonate: 98% min
content of water: 0.3% max
PH value: 8-10
size(2um): pass 90% min
white degree: 94% min

PAPER

Cigarette , Tissue and office papper

 

As a fillter and coating agent. It improve brightness , smothness, opacity and ink receptiveness