Barium Sulfate
High Density High Opacity
Polymer Additives

Barium Sulfate

High-performance Barium Sulfate designed for specialized applications requiring high density, excellent opacity, and superior chemical resistance. Our premium BaSO4 provides exceptional X-ray contrast capabilities, outstanding dimensional stability, and excellent processing characteristics for demanding polymer applications.

  • Exceptional High Density (4.5 g/cm³)
  • Superior X-ray Opacity
  • Excellent Chemical Resistance
  • Outstanding Dimensional Stability
  • Enhanced Processing Characteristics
  • High Purity & Consistency
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Technical Specifications

Product Type: Precipitated Barium Sulfate
Chemical Formula: BaSO₄
CAS Number: 7727-43-7
Molecular Weight: 233.39 g/mol
Particle Size (D50): 0.3-2.0 μm
Specific Gravity: 4.2-4.5 g/cm³
Surface Area: 8-25 m²/g
Oil Absorption: 15-25 g/100g
Whiteness Index: ≥ 96%
pH (5% suspension): 6.5-8.5
Moisture Content: ≤ 0.3%
Processing Temperature: Up to 300°C
Recommended Loading: 10-40% by weight
Refractive Index: 1.64
Storage Stability: Indefinite (dry conditions)
Packaging: 25kg/50kg PP bags with PE liner

Applications

Powder Coatings
Automotive Paints
Plastic Fillers
Industrial Coatings
Composite Materials
High Gloss Finishes
Radiation Shielding
Engineering Plastics
Architectural Coatings
Specialty Compounds
Optical Applications
Electronics Housings

Industry-Specific Grades

DRAVYOM offers specialized barium sulfate grades optimized for different applications, providing excellent opacity, chemical resistance, and processing characteristics for various polymer and coating systems.

Standard Grade (BS-100)
Particle Size: 0.7-1.2 μm Surface Area: 10-15 m²/g Loading: 15-30% Application: General purpose filler
Ultrafine Grade (BS-200)
Particle Size: 0.3-0.7 μm Surface Area: 18-25 m²/g Opacity: Enhanced Application: High-performance coatings
Coating Grade (BS-300)
Oil Absorption: Optimized Whiteness: ≥ 98% Dispersion: Enhanced Application: Premium paints
Surface Treated (BS-400)
Surface Treatment: Organic coating Compatibility: Enhanced Processing: Improved flow Application: Specialty polymers

Quality Standards

DRAVYOM's barium sulfate is manufactured under stringent quality control protocols, meeting international filler standards including ASTM, ISO, and coating industry specifications for superior performance and consistency.

ISO 9001:2015 Certified Manufacturing
ASTM D476 Testing Standards
Consistent Particle Size Distribution
Advanced Optical Analysis
Ultra-High Purity & Whiteness
Batch-to-Batch Consistency
Complete Performance Testing
Moisture-Controlled Storage

Advanced Chemical Properties & Performance

Barium sulfate demonstrates exceptional X-ray opacity, high density, and chemical inertness through its stable ionic crystalline structure. Our precipitated barium sulfate provides superior radiopacity, brightness, and thermal stability in demanding medical imaging, coating, and high-performance polymer applications.

Optical Properties
Whiteness Index: 96-98% (CIE)
Refractive Index: 1.64
Oil Absorption: 8-25 g/100g
Brightness: 95-98% R457
Physical Properties
Density: 4.5 g/cm³
Particle Size: 0.2-2.0 μm
Surface Area: 1-10 m²/g
pH (in water): 6.5-8.5
Chemical Properties
Chemical Formula: BaSO₄
Solubility (water): 0.0024 g/L at 25°C
Chemical Inertness: Excellent resistance
Heavy Metal Content: ≤10 ppm total
Radiopacity Properties
X-ray Opacity: Excellent contrast
Atomic Number: Z = 56 (Ba)
Mass Attenuation: High coefficient
Medical Grade: USP/EP compliant
Thermal Properties
Melting Point: 1580°C
Processing Stability: Up to 800°C
Thermal Expansion: Low coefficient
Thermal Conductivity: 1.2 W/m·K

Performance Characteristics

Comprehensive performance metrics demonstrate barium sulfate superiority in demanding applications with exceptional opacity, density enhancement, and chemical resistance across diverse medical, coating, and specialty polymer applications.

X-ray Opacity

Radiopacity: Superior contrast enhancement

Excellent medical imaging performance
Brightness & Whiteness

Whiteness: 96-98% CIE value

Outstanding optical properties
Density Enhancement

Density: 4.5 g/cm³ for weight increase

Superior specific gravity enhancement
Chemical Inertness

Stability: Excellent acid/base resistance

Outstanding chemical durability
Thermal Stability

Processing: Stable up to 800°C

Excellent high-temperature performance
Loading Efficiency

Concentration: Effective at 10-70% levels

High loading capability

Safety Information

Generally safe inorganic mineral with low toxicity. Handle with standard industrial hygiene practices including dust protection and adequate ventilation. Avoid prolonged inhalation of fine particles. Use appropriate personal protective equipment during handling and processing operations.

Dust Protection
Eye Protection
Ventilation Required

Storage & Handling

Store in original sealed containers in a cool, dry area away from moisture and direct sunlight. Keep containers tightly closed to prevent moisture absorption and maintain powder flowability. Use appropriate dust control measures and material handling equipment to prevent airborne particles.

Cool, dry storage (<25°C, <65% RH)
Moisture protection essential
Dust control measures
Original sealed packaging

Chemical Mechanisms & Reaction Pathways

Barium sulfate provides exceptional X-ray opacity and polymer reinforcement through high atomic number elements and controlled particle morphology, delivering comprehensive radiopaque functionality with excellent chemical inertness and processing stability.

X-ray Attenuation

High atomic number barium provides exceptional X-ray opacity for medical imaging

Superior radiopaque properties for medical device applications
Chemical Inertness

Stable sulfate structure with excellent chemical and thermal resistance

Long-term stability in polymer matrix applications
Particle Morphology

Controlled particle size and shape for optimal polymer integration

Excellent dispersion and mechanical property enhancement
Surface Properties

Optimized surface treatment for enhanced polymer compatibility

Improved interfacial adhesion and processing characteristics

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global medical device and pharmaceutical applications with complete documentation packages supporting international USP, EP, and medical device standards.

USP Grade

United States Pharmacopeia compliance for pharmaceutical applications

EP Compliance

European Pharmacopoeia standards for medical device applications

FDA Approval

Food and Drug Administration clearance for medical device use

ISO 13485

Medical device quality management system compliance

Technical Documentation

Comprehensive radiopaque testing data and biocompatibility studies

Safety Data Sheets

Multi-language SDS documentation (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's radiopaque materials specialists provide comprehensive formulation support, X-ray testing assistance, and regulatory guidance to optimize barium sulfate performance in your specific medical device applications.

Formulation Development
  • Radiopaque system optimization support
  • Loading level and dispersion guidance
  • Mechanical property balance optimization
  • Custom radiopaque development
X-ray Testing
  • Radiopacity measurements and validation
  • Imaging quality assessment
  • Contrast ratio testing
  • Performance validation studies
Technical Support
  • Processing troubleshooting consultation
  • Application development guidance
  • Regulatory compliance support
  • Biocompatibility protocol development
Supply Solutions
  • Consistent batch scheduling
  • Emergency supply arrangements
  • Custom packaging options
  • Global distribution network

Environmental Impact & Sustainability

Our barium sulfate production emphasizes environmental responsibility through sustainable mining practices, waste minimization, and comprehensive environmental impact management for mineral processing operations.

Sustainable Mining

Responsible barite sourcing with environmental rehabilitation programs

Water Management

Closed-loop water systems with advanced treatment and recycling

Energy Efficiency

Optimized processing with heat recovery and energy management

Safe Disposal

Comprehensive guidance for medical device waste management protocols

ISO 14001

Environmental management system certified production facility

Medical Safety

Biocompatible and environmentally safe for medical applications

Manufacturing Excellence & Quality Control

DRAVYOM's advanced pharmaceutical-grade manufacturing facility employs controlled precipitation and purification technology with continuous monitoring systems to ensure consistent barium sulfate quality and radiopaque performance across all production batches.

Controlled Precipitation

Precise particle size control with pharmaceutical-grade processing

Multi-stage purification for USP/EP grade quality
Quality Testing

24-point testing protocol including radiopacity, purity, and biocompatibility

X-ray analysis and heavy metals testing verification
Quality Systems

ISO 9001:2015 and ISO 13485 quality management with pharmaceutical laboratory accreditation

Medical device manufacturing and validation protocols
Sterile Packaging

Medical-grade packaging with contamination prevention and sterility systems

Pharmaceutical packaging and biocompatibility protection

Market Applications & Performance Data

Comprehensive radiopaque performance data demonstrating barium sulfate effectiveness across diverse medical applications with quantified X-ray opacity metrics and biocompatibility validation studies.

Medical Devices
Radiopacity: >95% X-ray visibility at 20% loading Biocompatibility: USP Class VI validation testing Performance: Excellent imaging contrast in medical applications
Pharmaceutical Applications
Compliance: USP and EP pharmacopoeia standards Purity: >99% pharmaceutical grade quality Safety: Extensive toxicology and safety data
Industrial Applications
Reinforcement: Excellent mechanical property enhancement Chemical Resistance: Superior inertness and stability Processing: Maintained flowability and dispersion

DRAVYOM Competitive Advantages

Superior Performance

Consistently exceeds radiopaque standards with exceptional X-ray visibility and biocompatibility

Reliable Supply

Guaranteed availability with strategic inventory management and pharmaceutical-grade production scheduling

Technical Expertise

Dedicated medical materials team provides formulation development and regulatory compliance support

Quality Assurance

Comprehensive certificates with detailed radiopaque data and biocompatibility validation

Global Standards

International compliance with USP, EP, FDA, and ISO specifications for worldwide medical applications

Partnership Approach

Collaborative relationships with medical device manufacturers and custom radiopaque development services