Primary Precipitated Barium Sulfate - High Purity for Coatings and Plastics

Product Introduction
Our Primary Precipitated Barium Sulfate represents the highest purity grade of synthetic barium sulfate available, specifically engineered to meet the demanding requirements of advanced coating systems and high-performance plastic applications. This chemically precipitated product offers superior properties compared to natural barytes, delivering exceptional performance in critical applications where purity, consistency, and optical properties are paramount.

Key Specifications

1. Chemical Composition

   • BaSO₄ content: ≥99.3%

   • Moisture content: ≤0.2%

   • Water-soluble matter: ≤0.1%

   • Acid-soluble matter: ≤0.3%

2. Physical Characteristics

   • Average particle size: 0.7-1.2μm

   • Specific gravity: 4.3-4.5

   • Oil absorption: 10-15g/100g

   • Brightness (ISO): 97-98%

3. Particle Properties

   • Narrow particle size distribution

   • Cubic crystal structure

   • Smooth surface morphology

   • Low abrasiveness

Performance Advantages

1. Optical Enhancement

   • Exceptionally high refractive index (1.64)

   • Superior light scattering efficiency

   • Excellent whiteness retention

   • Neutral color tone

2. Chemical Stability

   • pH neutral (6.5-8.5)

   • Outstanding acid/alkali resistance

   • Non-reactive with most resins

   • Excellent weather resistance

3. System Compatibility

   • Excellent dispersion characteristics

   • Low oil absorption

   • Reduced viscosity impact

   • Good wettability

Technical Benefits for Coatings

1. Film Property Enhancement

   • Increases film density

   • Improves surface hardness

   • Enhances chemical resistance

   • Reduces water permeability

2. Optical Performance

   • Maximizes opacity

   • Improures hiding power

   • Maintains color purity

   • Reduces TiO₂ requirements

3. Processing Advantages

   • Low sedimentation tendency

   • Easy incorporation

   • Good suspension stability

   • Reduced mill wear

Applications in Plastics

1. Performance Benefits

   • Increases density

   • Improves surface finish

   • Enhances dimensional stability

   • Reduces shrinkage

2. Electrical Properties

   • Excellent dielectric properties

   • High volume resistivity

   • Low dielectric constant

   • Good arc resistance

3. Specialty Applications

   • X-ray shielding compounds

   • High-density masterbatches

   • Sound damping materials

   • Radiation-resistant formulations

Quality Assurance

1. Manufacturing Standards

   • ISO 9001 certified production

   • Batch traceability

   • Strict process control

2. Testing Protocols

   • X-ray fluorescence analysis

   • Laser particle size measurement

   • Sedimentation testing

   • Application performance testing

3. Certifications

   • REACH compliant

   • RoHS compliant

   • FDA 21 CFR compliant

Packaging Options

1. Standard Packaging

   • 25kg multi-ply paper bags

   • 500kg super sacks

   • 1000kg bulk containers

2. Specialty Packaging

   • Moisture-proof barrier bags

   • Dedicated shipping containers

   • Custom labeling available

3. Handling Information

   • Dry storage recommended

   • Shelf life: unlimited

   • Easy-pour designs available

Safety Information

1. Handling Precautions

   • Use dust control measures

   • Standard PPE recommended

   • Good hygiene practices

2. Regulatory Status

   • Not classified as hazardous

   • Non-flammable

   • No special transport requirements

Comparative Advantages

1. Versus Natural Barytes

   • Higher purity level

   • More consistent quality

   • Finer particle size

   • Better optical properties

2. Versus Alternative Fillers

   • Higher density

   • Better chemical resistance

   • Superior brightness

   • More neutral pH

Technical Support Services

1. Application Assistance

   • Formulation optimization

   • Processing recommendations

   • Troubleshooting support

2. Value-Added Services

   • Custom particle sizing

   • Surface treatments

   • Specialty blends

Ordering Information

1. Standard Products

   • Regular stock availability

   • Multiple packaging options

   • Flexible quantities

2. Custom Solutions

   • Controlled particle size distributions

   • Surface-modified versions

   • Pre-dispersed pastes

3. Global Distribution

   • Worldwide shipping

   • Export documentation

   • Just-in-time delivery

Our Primary Precipitated Barium Sulfate sets the industry standard for high-performance functional fillers in demanding coating and plastic applications. With its exceptional purity, precisely controlled particle characteristics, and outstanding optical properties, this premium-grade barium sulfate delivers measurable improvements in product performance and processing efficiency. Backed by rigorous quality control and comprehensive technical support, we invite formulators to explore the advantages of our precipitated barium sulfate in their next development projec