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  • The reaction liquid is filtered through plate and frame pressure to obtain lithopone in the form of a filter cake with a moisture content of no more than 45%. It is then roasted in a drying furnace to change the crystal form of lithopone, and is then pickled with sulfuric acid at a temperature of 80°C. Finally, it is washed with water, reinforced with colorants, filtered, dried and ground into powder.

  • 1. Sheet iron method

  • The R-996 pigment is also known for its excellent weather resistance and heat stability
  • The Pivotal Role of High-Quality Rutile Titanium Dioxide in Coating Applications A Factory Perspective