Precipitated Barium Sulfate BaSO4 with High Refractive Index and Melting Point 1580℃ for Paints, Plastics & Coatings
Price:
Please contact customer service
MOQ:
10Tons
Delivery Time:
About six weeks
Brand:
SiChun HongJian
Product Description
98% Barium Sulfate BaSO4 for Paints, Plastics & Coatings
Product Description
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.
Technical Specifications
- 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)
Key Features & Benefits
- 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
Primary Applications
1. Paints & Coatings
- Anti-settling agent for improved suspension
- Enhances gloss, brightness, and film strength
- Used in automotive, marine, and industrial coatings
2. Plastics & Rubber
- Reinforcing filler for improved mechanical properties
- Increases density and thermal stability
- Used in PVC, PP, PE, and rubber products
3. Other Industries
- 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
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
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Sichuan Hongjian Xinyi Technology Co., Ltd.
Location
604, 6th Floor, Unit 2, Building 1, No. 9 Vanke Road, Chenghua District, Chengdu
Contact Person
Leo Yang