Lithopone for Paper Making Cardboard Materials Cement Based Paints Leather Finishing

• Customization: Available
• Certification: ISO 9001:2008
• Packaging: 25kg/Bag,50kg/Bag or Ton Bag
• Color: White
• Usage: Ceramic, Paper, Concrete, Model, Drilling Mud, Animal Feed
• Shape: Powder
• Product Name: Lithopone
• Size: 325mesh
• Delivery Time: 15-35days
• Transport Package: by Sea
• Specification: 325mesh
• Trademark: DERUNHUABANG
• Origin: China
• HS Code: 50000
• Production Capacity: 50000ton/Year

Product Description

 

Product Description

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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