Lithopone - An Overview of B301 and B311 Grades, Their Prices, and Manufacturers

Lithopone is a white pigment widely used in various industrial applications, including paints, coatings, plastics, and cosmetics. It is a mixed metal sulfide composed of zinc sulfide (ZnS) and barium sulfate (BaSO4), and it is valued for its excellent opacity, brightness, and weather resistance. Two popular grades of lithopone are B301 and B311, each having unique characteristics that cater to different market needs.

Grade B301

Lithopone B301 is characterized by its high level of whiteness and good opacity, making it an ideal choice for coatings and paints where brightness is essential. It typically contains approximately 30-35% zinc sulfide and 60-65% barium sulfate. The B301 grade is known for its durability and resistance to yellowing, which enhances the longevity and appearance of the applied product. It is suitable for use in a variety of applications, including architectural coatings, automotive finishes, and industrial coatings.

The price of lithopone B301 generally fluctuates based on factors such as raw material costs, production methods, and market demand. As of the latest trends, prices for lithopone B301 can range from $1,300 to $1,800 per metric ton, depending on the manufacturer and location. It is crucial for buyers to consider these variations when sourcing materials.

Grade B311

Lithopone B311, in contrast, is known for its slightly lower brightness but offers excellent hiding power and smoothness, thus making it suitable for applications in low to moderate demand for opacity. The composition of B311 typically contains a similar proportion of zinc sulfide and barium sulfate but is treated and processed differently to yield distinct properties. It finds its primary applications in rubber, plastics, and some specialty coatings where cost-effectiveness and functional performance are prioritized over aesthetic qualities.

The pricing for lithopone B311 is generally lower than B301, making it an attractive option for manufacturers seeking to reduce production costs without sacrificing quality. Prices for B311 can range from $1,000 to $1,500 per metric ton, again varying with the supplier and other market dynamics.

Key Manufacturers

1. Kronos Worldwide Inc. A prominent player in the pigment industry, Kronos specializes in manufacturing titanium dioxide and lithopone, catering to a wide range of sectors.

2. Sudarshan Chemical Industries Ltd. An established manufacturer in India, Sudarshan offers a variety of pigment products, including lithopone, focusing on innovation and quality.

3. Ferro Corporation Known for its diverse range of specialty materials, Ferro produces both B301 and B311 grades with a focus on sustainable manufacturing practices.

4. Saint-Gobain Performance Plastics This company is known for high-performance materials, including lithopone, and serves industries such as construction and automotive.

5. The Chemours Company Chemours produces and sells a range of chemical products, including various grades of lithopone, leveraging advanced technology for superior quality.

Market Trends and Future Outlook

As industries continue to evolve, the demand for high-quality blanc de blanc pigments like lithopone is expected to grow. Factors such as urbanization, improvements in manufacturing processes, and increasing regulations for environmentally friendly materials play a significant role in shaping the lithopone market. Furthermore, advancements in technology and a move towards sustainable practices may also influence the production and pricing of lithopone products.

In conclusion, lithopone grades B301 and B311 serve different needs within the pigment market, catering to various applications with unique performance characteristics and pricing. Key manufacturers continue to research and innovate, ensuring that they meet the demands of an evolving marketplace while providing quality products at competitive prices. For companies looking to source lithopone, understanding these dynamics will be paramount in making informed decisions about their procurement strategies.