High SG Barite Powder | Drilling Mud Weighting Agent | 325 Mesh
Barite Powder
Material Profile
Barite Powder is a naturally occurring mineral powder derived from barium sulfate (BaSO₄), characterized by its high density, chemical inertness, and radiation shielding properties. It serves as a crucial weighting agent and functional filler in demanding industrial applications, primarily in the oil and gas sector.
Core Characteristics
- Chemical Composition: Primarily barium sulfate (BaSO₄)
- Key Property: High specific gravity (4.2 - 4.5)
- Chemical Nature: Inert, non-reactive, non-magnetic
- Physical Form: Fine, off-white to grey or brown powder (color depends on purity)
- Hardness: Low (3 - 3.5 on Mohs scale)
Advanced Application Scenarios
1. Oil & Gas Drilling Fluids - "The High-Density Weighting Agent"
- Drilling Mud Additive: The primary application. Added to drilling fluids to increase density, controlling formation pressure and preventing blowouts. Its high specific gravity, chemical inertness, and non-abrasive nature make it ideal. Specific grades (API Grade) meet strict specifications for particle size distribution.
2. Radiation Shielding - "The Dense Barrier"
- Medical & Industrial Shielding: Used in cement, concrete, polymers, and composites to create protective barriers against X-rays and Gamma rays in hospitals, nuclear facilities, and industrial radiography. Replaces lead due to its non-toxic nature.
- Radiation-Shielding Concrete ("Baryte Concrete"): Significantly increases density compared to standard concrete, enhancing its attenuation capacity.
3. Paints & Coatings - "The Inert Filler and Extender"
- High-Duty Industrial Coatings: Provides corrosion resistance, improves film density, and acts as an extender. Its chemical inertness makes it suitable for aggressive environments.
- Radiation-Shielding Paints: Incorporated into specialized coatings for areas requiring radiation protection.
4. Plastics & Rubber - "The Density and Property Modifier"
- Polymer Composites: Increases density for sound dampening, vibration reduction, and balancing (e.g., in automotive components). Improves hardness and chemical resistance.
- Radiation-Protective Polymers: Used in composites for shielding in medical devices and nuclear applications.
5. Other Specialized Applications
- Sound Deadening Materials: Used in automotive underbody coatings and materials to reduce noise, vibration, and harshness (NVH).
- Friction Products: A filler in brake pads and clutch facings.
Technological Breakthroughs & Sustainable Development
Processing & Beneficiation
- Advanced Grinding & Classification: Jet mills and high-efficiency air classifiers enable production of ultra-fine barite powders with tightly controlled particle size distributions tailored for specific applications (e.g., coatings).
- Purification Techniques: Washing, magnetic separation, and flotation are used to reduce impurities (like iron oxides and silica), improving brightness and chemical purity for higher-value applications.
Quality Control & Standardization
- API Certification: For drilling applications, barite must meet stringent API 13A specifications for density, particle size, and soluble alkaline earth metals.
- Rigorous Testing: Density (specific gravity), particle size distribution, and chemical composition are critically monitored.
Sustainability & Environmental Considerations
- Dust Control: Modern processing plants employ effective dust collection systems due to the fine nature of the powder.
- Non-Toxic Alternative: Its use as a non-toxic replacement for lead in radiation shielding is a significant environmental and health benefit.
- Responsible Sourcing: Mining operations are increasingly focused on environmental management and land rehabilitation.
Technical Advantages
Key Quality Specifications (Varies by Grade)
| Specific Gravity |
Typically 4.20 - 4.50 g/cm³ (API specification minimum is 4.20) |
| BaSO₄ Content |
90% - 98%+ (depending on grade and purification) |
| Particle Size (Drilling Grade) |
API Spec: 97% min between 75µm and <6µm |
| Soluble Alkaline Earth Metals (API Spec) |
≤ 250 mg/kg |
| Brightness (for filler grades) |
Can be improved through beneficiation. |
Physical Characteristics
- Appearance: Fine, free-flowing powder, color varies from white to grey/brown.
- Solubility: Insoluble in water and most solvents.
- pH: Neutral.
Application Support
- Provides technical data sheets (TDS) and certificates of analysis (COA) confirming specific gravity, chemical composition, and particle size.
- Offers guidance on grade selection for specific applications (e.g., API Grade for drilling, fine/white grades for paints and plastics).
- For drilling applications, support is often provided regarding mud engineering and compatibility.
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