Sichuan Hongjian Xinyi Technology Co., Ltd.
                                                                                                           
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13 Years
Since 2013
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High Refractive Index Barium Sulfate BaSO4 Chemical Filler with Excellent Chemical Stability and Boiling Point 330℃

Price Negotiable
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 Filler
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

Application Technical Support
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

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

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