Sichuan Hongjian Xinyi Technology Co., Ltd.
"Honest cooperation, creating the future together!"
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Our Precipitated Barium Sulfate (BaSO₄) is a high-purity, ultra-fine white powder widely used in coatings, plastics, rubber, and other industrial applications. With excellent chemical stability, high whiteness, and superior dispersion, it enhances product performance in multiple industries.
✅ Chemical Formula: BaSO₄
✅ Purity: ≥98%
✅ Appearance: Fine white powder
✅ Particle Size: Adjustable (0.5μm - 10μm)
✅ Oil Absorption: 10-15g/100g
✅ pH Value: 6.5-8.5 (10% aqueous suspension)
✅ Moisture Content: ≤0.3%
✅ Packaging: 25kg/bag (customizable)
✔ High Refractive Index (1.64) – Improves opacity & coverage in paints
✔ Excellent Chemical Stability – Resistant to acids, alkalis, and solvents
✔ Low Oil Absorption – Reduces binder consumption in formulations
✔ Superior Dispersion – Ensures smooth, uniform distribution
✔ Enhanced Durability – Increases hardness and weather resistance
Anti-settling agent for improved suspension
Enhances gloss, brightness, and film strength
Used in automotive, marine, and industrial coatings
Reinforcing filler for improved mechanical properties
Increases density and thermal stability
Used in PVC, PP, PE, and rubber products
Paper & Printing Inks – Improves smoothness and printability
Cosmetics – Provides opacity in makeup & sunscreen
Radiation Shielding – Used in X-ray and medical applications
Quality Indicator System
| Indicator Item | Coating Grade | Plastic Grade | High Purity Grade |
|---|---|---|---|
| BaSO₄ Content | ≥99.0% | ≥99.2% | ≥99.9% |
| Whiteness | ≥98% | ≥97% | ≥98.5% |
| d50 Particle Size | 0.5-0.8μm | 0.8-1.2μm | 0.3-0.5μm |
| 325 Mesh Residue | ≤0.01% | ≤0.005% | ≤0.001% |
| Oil Absorption | 16-20g/100g | 14-18g/100g | 20-25g/100g |
| pH Value | 6.5-8.0 | 6.5-8.0 | 7.0-8.5 |
Physical Characteristics
Appearance: White fine powder
Density: 4.3-4.5 g/cm³
Refractive Index: 1.64
Mohs Hardness: 3.0-3.5
Thermal Stability: >1580°C without decomposition
Formula Optimization Services
Provides recommendations for optimal addition levels in different systems.
Assists in solving technical challenges like dispersion and settling during product application.
Recommends the most suitable product specifications based on specific customer needs.
Surface Treatment Customization
Provides products treated with various coupling agents like silane, titanate, aluminate.
Develops modified products with special functions (e.g., antibacterial, conductive).
Accepts small-batch customized surface treatment services.
After-Sales Guarantee System
Each batch comes with a detailed test report.
Establishes customer technical files and provides regular application technology updates.
24-hour technical consultation response for quick problem resolution.
Why Choose Us?
✅ High-purity products, in compliance with international standards
✅ 30+ Years Chemical Manufacturing Experience
✅ Strict QC with Batch Traceability
✅ Global logistics, supporting sea and air transportation
✅ Technical support, providing customized solutions
✅ Factory direct supply, with strong price competitiveness