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Barium Sulphate precipitated
                                       Barium Sulphate Precipitated
 
 
 
FORMULA: BaSO4                          
 
MOLECULAR WEIGHT: 233.39
 
CAS No.: 7727-43-7
 
NATURE AND USAGE:
 
Colorless prismatic crystal shown as amorphous white powder; hardly soluble in water, ethanol and acid; easily forming lumps in dry air.
 
Mainly used for paint, printing-ink, textile, pigment and pottery industries, also used as coatings on the surface of rubber, plastics, photo-paper, etc.
 
 
GB/T2899-1996
Fine grade
Powder coating grade
BaSO4(dry)
98.0% min
98.0% min
98.5% min
Volatility at 105 C
0.30% max
0.15% max
0.10% max
Water solubles
0.30% max
0.20% max
0.18% max
Fe
0.004% max
0.003% max
0.002% max
Whiteness
94% min
96% min
96% min
Oil absorption
15-25g/100g
15.5-20g/100g
15.5-18g/100g
pH value
6.5-9.0
6.5-9.0
6.5-9.0
Residue on sieve 45um
0.20% max
0.10% max
0.06% max
 
PSD
Below 10um
80.0% min
95.0% min
98.0% min
Below 5um
60.0% min
85.0% min
90.0% min
Below 2um
25.0% min
60.0% min
60.0% min
 
 
Packing: in 25kg/50kg/500kg/1000kg net each in PP woven bag lined with P.E. bag.
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