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Your Position: Home - - What is lithopone powder used for?

What is lithopone powder used for?

Author: CC

Feb. 19, 2024

Lithopone powder, a white pigment with a range of industrial applications, holds a significant place in various sectors due to its unique properties and versatility. From paints and coatings to plastics and ceramics, lithopone powder plays a crucial role in enhancing the appearance and performance of a wide array of products.

Lithopone powder

Understanding Lithopone Powder:

Lithopone powder, chemically known as zinc sulfide/zinc oxide, is a white pigment produced through a precipitation process involving zinc sulfate and barium sulfate. It is characterized by its high refractive index, excellent hiding power, and resistance to UV radiation, making it an ideal choice for various applications.

Applications of Lithopone Powder:

  1. Paints and Coatings: Lithopone powder is widely used as a white pigment in paints, coatings, and primers for interior and exterior applications. Its high opacity and brightness enhance the color and coverage of paints, resulting in vibrant and long-lasting finishes.

  2. Plastics and Polymers: In the plastics industry, lithopone powder is added to plastic resins and compounds to impart whiteness, opacity, and UV resistance to the final products. It finds applications in the production of PVC pipes, profiles, films, and packaging materials.

  3. Ceramics and Tiles: Lithopone powder is utilized in the ceramics industry to improve the brightness and opacity of ceramic glazes, tiles, and sanitaryware. It helps achieve uniform coloration and surface finish, enhancing the aesthetic appeal of ceramic products.

  4. Rubber Manufacturing: In rubber compounding, lithopone powder serves as a reinforcing filler, improving the mechanical properties and weather resistance of rubber products such as tires, conveyor belts, and seals.

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  5. Printing Inks: Lithopone powder is incorporated into printing inks for its high hiding power and brightness, ensuring crisp and vibrant prints in various applications, including packaging, publishing, and textiles.

Benefits of Lithopone Powder:

  1. High Opacity: Lithopone powder offers excellent hiding power, allowing for the creation of opaque and vibrant colors in paints, coatings, and plastics.

  2. UV Resistance: Its resistance to UV radiation makes lithopone powder suitable for outdoor applications, where durability and color stability are paramount.

  3. Chemical Stability: Lithopone powder exhibits good chemical stability, ensuring long-term performance and durability in a variety of harsh environments.

  4. Cost-Effectiveness: Compared to alternative white pigments such as titanium dioxide, lithopone powder offers a cost-effective solution for achieving desired coloration and opacity in many applications.

Conclusion:

Lithopone powder is a versatile and indispensable ingredient in various industries, contributing to the quality, durability, and aesthetic appeal of numerous products. From paints and coatings to plastics and ceramics, its high opacity, UV resistance, and cost-effectiveness make it a preferred choice for manufacturers worldwide. As advancements in manufacturing and formulation techniques continue, lithopone powder is expected to remain a key player in the global pigment market, fulfilling diverse needs and driving innovation across industries.


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