CAS NO.: 1345-05-7
Chemical formula: ZnS +BaSo4
Specification:
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Item
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Standard
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B301
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B311
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Ba+SO4 (as ZnS)%(m/m) ≥
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99
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99
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Zinc (as ZnS) (m/m)%≥
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28
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30
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Zinc Oxide %(m/m) ≤
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0.6
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0.3
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105℃ Volatile%(m/m)≤
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0.3
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0.3
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Water Soluble%(m/m) ≤
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0.4
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0.3
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Screen residues (63um mesh) %(m/m) ≤
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0.1
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0.1
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Oil absorption g/100g ≤
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14
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10
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Color Killing (Compare with standard specimen) %≥
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105
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105
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Properties: Lithopone is a white powder, a mixture of barium sulfate(68-70 %) and zinc sulfide(28-30%). It was non-toxic, tasteless, odorless and insoluble in water. It is used as one of the most important inorganic chemicals pigment for its good colouring and hiding power and good weather resistance. In addition, it has a good heat resistance which improves the weather resistance and fungus resistance.
Application: It can be applied to all the paints, coatings, thermoplastics, thermosetting plastics and papers, yet it can be used for the preparation of a variety of light-colored paint. In addition, it is applied in the area of rubber, printing ink, varnished cloth, tarpaulin, paper, enamel, leather and cosmetics. It is a filler of paper, leather and linoleum