| Customization: | Available |
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| Certification: | ISO 9001:2008 |
| Packaging: | 25kg/Bag,50kg/Bag or Ton Bag |
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Lithopone, a synthetic white pigment, originates from a chemical reaction between barium sulfide and zinc sulfate , forming a 30% zinc sulfide (ZnS) and 70% barium sulfate composite. The production process begins with reducing barite using coal or coke at high temperatures in a rotary kiln to generate BaS. This BaS solution then undergoes a double decomposition reaction with ZnSO4, yielding a white lithopone precipitate. The precipitate is filtered, washed, dried, and calcined to enhance its brightness (90-95% ISO) and opacity.
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