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Specific high whiteness

5HB 10HB 20HB 44HB
BaSO4 content,min(%(m/m)) 97.5±0.5 Particle size (µm) d50 2.5±0.2
d97 6.8±0.6
Whiteness,min 93.5 pH value of aqueous suspension 8.0±1.0
Specific gravity(g/cm3) 4.4±0.2 Oil absorption(g/100g) 11.0±1.0
Matter volatile at 105℃,max
0.20 Loss on ignition,max(%(m/m)) 1.50
Matter soluble in water,max
0.25 Fe2O3 content,max(%(m/m)) 0.04
Al2O3 content,max(%(m/m)) 0.10 CaO content,max(%(m/m)) 0.45
Heavy metal(mg/kg) —— Bulk density(g/cm3) 1.1
Compact bulk density(g/cm3) 2.0 Residue on 45 µm sieve,max(%(m/m)) 0
Other characteristics

The specific high whiteness, pigment non-precipitating and dispersing capability of MICROBARI® high bright barium sulphate make it unique from other traditional filler. Besides, high bright barium sulphate has low absorption of oil, which can increase the critical pigment volume concentration of coating and reduce the use of resin basic materials accordingly. MICROBARI® high bright barium sulphate of relative low price can replace expansive TiO2 partially, and effectively reduce the cost of coating products. So, the choice of MICROBARI® high bright barium sulphate can not only improve the quality of products but also reduce the cost of production.

Submicron barium sulfate
Micronized barium sulfate
Specific high whiteness
Matte extender powder..
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