There are two kinds of barium sulfate used as pigment of paint Constitution: natural and synthetic. The natural product weighs the crystal powder, and the synthetic product is called precipitated barium sulfate.
Barium sulfate is a dense white powder, inert substance, with a density of 4.5g/cm3. It is heavy in physical pigments, stable in chemical properties, almost insoluble in water, ethanol and acid, soluble in hot sulfuric acid, alkali resistant and light resistant. Those with less impurities show glass luster, and cleavage faces show pearl luster. The oil absorption of barite powder is very low (6g / 100g). Precipitated barium sulfate has superior color and fine particles.
Barite powder filler is mainly used in industrial primer and automotive intermediate coating which require high film strength, high filling power and high chemical inertness, as well as in finishing coat which needs high gloss. In latex paint, due to the high refractive index of barite (1.637), micro barite powder can have the function of translucent white pigment, and can replace part of titanium dioxide in paint.
Barium sulfate is a dense white powder, inert substance, with a density of 4.5g/cm3. It is heavy in physical pigments, stable in chemical properties, almost insoluble in water, ethanol and acid, soluble in hot sulfuric acid, alkali resistant and light resistant. Those with less impurities show glass luster, and cleavage faces show pearl luster. The oil absorption of barite powder is very low (6g / 100g). Precipitated barium sulfate has superior color and fine particles.
Barite powder filler is mainly used in industrial primer and automotive intermediate coating which require high film strength, high filling power and high chemical inertness, as well as in finishing coat which needs high gloss. In latex paint, due to the high refractive index of barite (1.637), micro barite powder can have the function of translucent white pigment, and can replace part of titanium dioxide in paint.
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