High Purity & Whiteness Superfine Barium Sulfate 3A - Premium High-Whiteness Barium Sulfate for Paint and Coatings
High Purity & Whiteness Superfine Barium Sulfate 3A is a premium-grade inorganic compound, specifically designed to meet the rigorous demands of industries requiring high purity, excellent whiteness, and fine particle size. This product is manufactured using advanced processing techniques to deliver consistent and superior performance across a range of applications. Known for its exceptional opacity, stability, and versatility, it is ideal for use in industries such as coatings, plastics, rubber, pharmaceuticals, and more. The 3A grade of barium sulfate represents the highest standards of quality, ensuring that the end products maintain the desired characteristics of strength, durability, and aesthetic appeal.
Product Overview:
Barium sulfate (BaSO4) is a white, crystalline powder with a wide range of applications, primarily in industries that require high-quality fillers and pigments. The High Purity & Whiteness Superfine Barium Sulfate 3A is a specially formulated grade that provides superior whiteness, purity, and fine particle distribution, making it suitable for demanding applications. This grade is carefully produced to meet strict specifications, ensuring minimal contaminants, high opacity, and excellent dispersion properties. It is primarily used in coatings, plastics, rubber products, and in medical applications such as diagnostic imaging.
Key Features and Benefits:
Exceptional Purity: One of the most distinguishing features of the High Purity & Whiteness Superfine Barium Sulfate 3A is its remarkable purity level. The barium sulfate is processed to eliminate impurities, ensuring minimal contaminant content. This purity is crucial for applications where the quality and consistency of the material are paramount. For industries like pharmaceuticals and food-grade applications, the purity of the product is essential to maintain the safety and efficacy of the final product. The high purity also contributes to improved performance in coatings and plastics, providing superior visual and functional results.
Superior Whiteness: The 3A grade of barium sulfate offers excellent whiteness, making it ideal for applications where the visual quality of the product is important. Its pure white color enhances the aesthetic appeal of the final product, particularly in paints, coatings, and plastics, where a bright, clean finish is desired. This whiteness also ensures that the product will not yellow over time, maintaining its appearance and durability in the long term. In industries where color retention is critical, such as automotive or architectural coatings, this superior whiteness is a key advantage.
Fine Particle Size: The High Purity & Whiteness Superfine Barium Sulfate 3A is produced with an ultra-fine particle size, which allows for excellent dispersion in various formulations. The fine particles enable the material to blend smoothly into other ingredients, providing an even and consistent finish. This fine particle size is especially beneficial in applications where uniformity and smoothness are critical, such as in paints, coatings, and plastics. The excellent dispersion properties also enhance the mechanical properties of the final product, such as its strength, flexibility, and resistance to wear.
High Opacity and Hiding Power: This grade of barium sulfate excels in its ability to provide high opacity and hiding power, making it a valuable ingredient in coatings, paints, and plastics. The high opacity allows it to effectively conceal underlying surfaces, providing excellent coverage with fewer coats. This not only improves the efficiency of the application process but also reduces material usage and production costs. In addition, the enhanced hiding power helps achieve uniform, high-quality finishes, especially in decorative paints, automotive coatings, and industrial applications where a consistent and smooth surface is essential.
Chemical Stability and Durability: Barium sulfate is a chemically inert compound, making it resistant to a wide range of acids, bases, and solvents. The High Purity & Whiteness Superfine Barium Sulfate 3A retains these chemical stability properties, ensuring long-lasting performance in diverse environments. This stability makes it suitable for use in products exposed to harsh chemicals or environmental conditions, including outdoor coatings, industrial products, and rubber applications. Its resistance to degradation also ensures that products containing this material maintain their integrity over time.
Versatile Applications: The versatility of High Purity & Whiteness Superfine Barium Sulfate 3A makes it an essential component in a wide range of industries. Some of the most common applications include:
- Paints and Coatings: In the paint and coatings industry, the product is valued for its high opacity, smooth finish, and excellent hiding power. It is commonly used in decorative paints, automotive coatings, industrial coatings, and primers. The fine particle size ensures smooth dispersion and uniform coverage, while the high whiteness guarantees a clean and bright finish.
- Plastics and Polymers: The superfine barium sulfate is used as a filler in plastics and polymers, where it enhances the material's strength, thermal resistance, and durability. It helps reduce costs while improving the overall performance of plastic products. Common applications include automotive parts, household items, and construction materials.
- Rubber Industry: In rubber production, High Purity & Whiteness Superfine Barium Sulfate 3A serves as a reinforcing filler that improves the mechanical properties of the rubber, such as tensile strength, abrasion resistance, and elasticity. It is commonly used in the manufacture of tires, seals, gaskets, and other rubber products.
- Pharmaceuticals and Medical Imaging: Barium sulfate is widely used in the medical field as a radiopaque agent in X-ray and CT imaging. It helps enhance the contrast of images, making it easier to diagnose and monitor various conditions. The high purity and fine particle size ensure that the barium sulfate does not cause adverse reactions when used in diagnostic procedures, making it safe for patient use.
- Drilling Fluids: Barium sulfate is often used as a weighting agent in drilling fluids, particularly in the oil and gas industry. Its high density helps control wellbore pressure, contributing to safer and more efficient drilling operations.
Non-Toxic and Environmentally Safe: High Purity & Whiteness Superfine Barium Sulfate 3A is non-toxic and environmentally friendly, making it safe for use in a variety of applications. It complies with relevant health and safety regulations, ensuring that products made with this material are safe for consumers and workers alike. This safety profile makes it suitable for use in food packaging, pharmaceutical products, and other sensitive applications.
Improved Product Performance: By incorporating High Purity & Whiteness Superfine Barium Sulfate 3A into their formulations, manufacturers can significantly enhance the performance of their products. The material improves mechanical properties such as strength, flexibility, and durability, while also enhancing aesthetic qualities like color consistency and opacity. The superior dispersion properties ensure that the final product is homogeneous, reducing the likelihood of defects or inconsistencies.
Applications in Detail:
Paints and Coatings: In the coatings industry, High Purity & Whiteness Superfine Barium Sulfate 3A is used to improve the coverage and appearance of paints and coatings. The high opacity ensures that surfaces are well-concealed with minimal layers, while the superior whiteness ensures a clean, bright finish. Its fine particle size enhances the smoothness of the coating, reducing the risk of surface imperfections and ensuring a durable, high-quality finish.
Plastics: In plastic products, the superfine barium sulfate improves strength, thermal stability, and processing ease. It acts as a cost-effective filler that adds bulk to plastic formulations without compromising the material’s performance. The material’s excellent dispersion properties ensure a uniform mixture, which is crucial for products like automotive parts, consumer goods, and industrial components.
Rubber: In rubber compounds, High Purity & Whiteness Superfine Barium Sulfate 3A enhances the material's mechanical properties, making it more durable and resistant to wear and tear. It is used in various rubber products, including tires, seals, and gaskets, where long-term performance is critical.
Medical Applications: High Purity & Whiteness Superfine Barium Sulfate 3A is a crucial ingredient in medical imaging procedures. It is used as a radiopaque contrast agent in X-ray and CT scans, helping to highlight internal structures for better diagnostic accuracy. The high purity and fine particle size ensure that the material is safe and effective in medical applications.
Drilling Fluids: In the oil and gas industry, barium sulfate is used as a weighting agent in drilling fluids. The high density of the material helps maintain wellbore pressure, preventing blowouts and improving the safety and efficiency of drilling operations.
Conclusion:
High Purity & Whiteness Superfine Barium Sulfate 3A is a high-quality, versatile material with exceptional purity, whiteness, and fine particle size. It is ideal for a range of industries, including coatings, plastics, rubber, pharmaceuticals, and more. Its unique combination of features – including high opacity, chemical stability, and excellent dispersion – ensures that it delivers superior performance in various applications. Whether used in industrial coatings or medical imaging, this product enhances the quality and durability of the final product while maintaining safety and environmental standards.
High Purity & Whiteness Superfine Barium Sulfate 3A, or Premium High - Whiteness Barium Sulfate for Paint and Coatings, is an outstanding product in the field of coatings. It is crafted from high - quality natural barium sulfate ores using advanced purification and ultra - fine grinding technologies. This results in a product with extremely high purity, reducing the presence of impurities that could affect paint quality. Its superfine particle size ensures excellent dispersibility in paint systems, preventing agglomeration and enabling a smooth and uniform application. The remarkable high - whiteness characteristic of this barium sulfate can significantly enhance the brightness and hiding power of paints and coatings. It is widely used in various paint and coating applications, including architectural, automotive, and industrial coatings, effectively improving the overall quality and aesthetic appeal of the finished products.
Characteristic |
Quality standard |
Barium sulfate % |
≥98.5 |
Particle size,μm |
D50(1.3) D97(2.7) |
Whiteness, min |
≥96 |
Ph value |
8 |
Proportion, g/L |
4.4 |
Oil absorption, g/100g |
12.5 |
Loss on ignition,% |
≤0.5 |
Matter volatile at 105℃ |
≤0.2 |
Fe2o3 content % |
≤0.04 |
Al2O3 content % |
≤0.1 |
CaO content % |
≤0.15 |
Heavy metal, mg/kg |
0 |
Bulk density,g/L |
1.0 |
Compact bulk density, g/L |
1.7 |
Residue on 45μm sieve,% |
0 |
Use:As a constitutional pigment, it can be applied to thin spray powder coating, electrophoretic coating, high gloss coating and other high-end products to make your products more competitive in technology and price.



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