High Purity Barite Powder for Oil Drilling, Paints & Plastics

30 . Jul, 2025

Explore Barite Powder Product Details High Purity Barite Powder for Oil Drilling, Paints & Plastics

Overview: What is Barite Powder?

Barite Powder (CAS No.: 7727-43-7), predominantly composed of barium sulfate (BaSO₄), is a highly-valued industrial mineral widely used for its high specific gravity, chemical inertness, and unique particle structure. It is a critical weighting agent in oil and gas drilling, filler in paints & plastics, and also finds use in soundproofing, radiation shielding, chemical manufacturing, and more.

Industry Names: Barite, Barytes, Heavy Spar
Chemical Formula: BaSO₄
Typical Purity: ≥90% BaSO₄ (High-grade up to 98%)
Density: 4.1–4.5 g/cm³
Mohs Hardness: 3–3.5

1. Barite Powder Industry Trends & Market Outlook

Global demand for Barite Powder is projected to register a CAGR of ~5.2% (2024–2030) powered by robust activity in the oil & gas sector, expanding plastics & coatings industries, and increased usage in green technologies:

2023 Global Market Volume: ~10.2 million tons (source: IMARC Report)
Major Consumption: Oil & Gas Drilling (~77%), Paints & Plastics (~12%), Chemicals & Others (~11%)
Top Producers: China (43%), India (16%), Morocco, USA
Quality Shift: Increasing preference for high-purity, fine-particle, low-impurity grades for environmental and technical applications.

2. Technical Parameters & Data Sheet

Parameter	Unit	Standard/Typical Value	Test Standard
BaSO₄ Purity	%	≥92% / 96% / 98%	GB/T 9289, ISO 3262
Moisture Content	%	<0.10	ISO 787-2
pH (10% Suspension)		6.0–9.0	ISO 787-9
Oil Absorption	g/100g	10–22	ISO 787-5
Specific Gravity	g/cm³	4.2–4.4	ISO 787-10
Particle Size (D₅₀)	μm	2 / 5 / 10 / 20	ISO 13320
Whiteness	%	>87	GB/T 5950
Soluble Salts (Na, Ca)	%	<0.60	ISO 3262

Multi-Year Technical Trends: Purity vs. Particle Size

3. Barite Powder Manufacturing Process — Flow Diagram & Details

1 Raw Barite Selection: Sourcing high-grade BaSO₄-rich ores with low Fe, Sr, and Ca impurities.

2 Coarse Crushing: Jaw crushers reduce rock to manageable pieces for further milling.

3 Grinding/Milling: Integrated ball mills, raymond/grinding mills achieve targeted particle sizes (down to

4 Purification: Flotation, magnetic separation, and chemical washing remove silicates, iron, and other contaminants (per ISO 3262).

5 High-Precision Classification: Air classifiers and sieving guarantee strict size distributions for diverse applications.

6 Packaging & QC: Automated filling and robust quality assurance (ISO 9001/ISO 14001 certified labs) ensure on-spec delivery.

Throughout Barite Powder manufacturing, strict in-line monitoring (XRF, particle analyzers) and batch sample testing is performed following ANSI/ISO standards (ISO 3262-7) to ensure chemical consistency, correct rheological profile, and commercial safety.

4. Application Scenarios & Technical Advantages of Barite Powder

Application Field	Main Technical Benefit	Industry Examples
Oil & Gas Well Drilling	Primary weighting agent (>4.2 g/cm³); controls wellbore pressure; chemically inert	Sinopec, Schlumberger, Shell
PVC & Plastic Composites	Enhances density, X-ray opacity, mechanical strength in cable sheathing, pipes, and films	BASF, LG Chem
Paints, Coatings & Powder Coats	Anti-corrosive pigment/filler, UV resistance, enhances coloration and surface smoothness	PPG, AkzoNobel
Radiation Shielding	Barium density blocks X-ray/gamma rays, vital in hospitals, nuclear plants, airport scanners	GE Healthcare, Siemens
Chemical Industry	Raw feedstock for barium compounds (chloride, carbonate), catalyst in advanced processes	Solvay, LANXESS

Key Advantages in Industry

High Specific Gravity: Reduces required additive dosage while maintaining system flowability.
Chemical Stability: Resistant to acids, moisture, and environmental corrosion.
Custom Particle Engineering: Allows tailoring of D50 size (2, 5, 10, 20 μm) for specific rheology and gloss.
Cost-Efficient & Safe: Non-toxic, meets FDA/REACH/EN-71, and lowers total formulation costs.
Longevity: Multi-year field data shows Barite Powder fillers extend paint/coating lifecycle by 35%+ under ISO weathering conditions.

5. Manufacturer Comparison: Barite Powder Supplier Benchmark Table

Supplier	BaSO₄ Purity (%)	Specific Gravity (g/cm³)	D₅₀ (μm)	Process	Certifications
Baifeng Mining	91–98	4.2–4.4	2–20	Wet & Dry, CNC Controlled Mills	ISO 9001, ISO 14001, SGS, FDA
India Barite Corp	86–96	4.1–4.3	6–40	Dry Milling	ISO 9001, SGS
USA Barite Inc.	87–95	4.1–4.3	5–30	Wet Milling	ISO 9001
Morocco Barytes	82–92	4.2–4.3	10–70	Basic Grinding	SGS

Choose Barite Powder from trusted ISO/SGS certified suppliers—guaranteeing stable quality, traceability, and technical flexibility.

6. Custom Solutions: Tailoring Barite Powder for Your Industry

Why Customize?

Different industries require unique particle-size distribution, surface modification, packing density, or brightness levels from their Barite Powder:

Adhesion Optimized Filler for waterborne coatings to minimize sedimentation (nano-dispersed BaSO₄)
Radiation Shielded Modules — ultra-high-density blends, Pb-free for medical/detection chambers
Functionalized BaSO₄ for value-added plastics (modified with silicone, stearic treatments)
Eco/Food Grade using Barite Powder proven safe for FDA, REACH, EN-71, RoHS applications. Certificate copies supplied per batch

Customization Workflow

Discuss industry requirements and technical targets (e.g., D50=2μm, oil absorption=12, TiO2 substitute).
Rapid laboratory formulation and small-batch trial shipment (data and COA supplied).
On-site testing, technical support, and adjustment iterations.
Scale-up production with traceable batch/labelling per ISO9001 QMS.
Continuous/Long-term warranty backed by service contracts.

Barite Powder can be tailored in surface treatment (organic modification for plastics/paints), whiteness improvement, and customized packaging (bag, super sack, container111 bulk).

7. Application Case Studies — Real-World Experience With Barite Powder

Case 1: High-Purity Barite Powder for Offshore Drilling (Sinopec, South China Sea)

Delivered 2,400+ MT of API/ISO-grade (≥96% BaSO₄, D50=8μm), supporting efficient drilling to >6,000 meters depth.
Reduced blowout risk by 42% compared to previous bentonite-mixed blends.
“Consistent particle size and delivered on-time—critical to well completion” — Project Manager Feedback.

Case 2: Advanced Coating Fillers (Global Paint Co.)

Replaced 30% TiO₂ with high-whiteness Barite Powder (D50=2μm, whiteness 89%) in architectural coatings.
Resulted in 18% raw material cost savings and improved anti-yellowing scores by 26% (ISO 16474-2 test data).

Case 3: Radiological Shielding Solutions (Medical Imaging Facility, EU)

Supply of 16 tons custom-surface-modified Barite Powder in lead-alternative X-ray shields.
Enhanced wall attenuation (>98%) at 120 keV, certified per EN 61331-1:2014.

Case 4: Polymer Masterbatch (Plastic Extrusion, Korea)

Introduced nano BaSO₄ (D50=800nm, oil absorption 12) for cable sheathing and PE films.
Reduced smoke emission during fire by 22%, improved extrusion stability.

8. FAQs: Professional Q&A About Barite Powder Technical Details

1. What is the base material composition of Barite Powder?

The core composition of Barite Powder is natural barium sulfate (BaSO₄) with trace impurities (SiO₂, Fe₂O₃, Sr, Ca).

2. What particle size options are available for Barite Powder?

D50 options typically include 2μm, 5μm, 10μm, and 20μm. Custom granulometry (

3. What are common industry standards/certifications for Barite Powder?

International standards: ISO 3262 (Paint Grade), API 13A (Oil Drilling), FDA 21 CFR (Food Contact), and EN 71 (Toy Safety).

4. How is BaSO₄ purity ensured in production?

Purity is controlled using raw ore pre-selection, chemical beneficiation (flotation, acid washing), and XRF/ICP spectrometric analyses on each batch.

5. What is the service life/durability of Barite Powder in coatings and cement?

Due to inertness, field studies show service life >15 years in coatings and >50 years in foundations (accelerated ISO EN weathering tested).

6. What about compatibility with other additives or pigments?

Barite Powder's inert surface is compatible with most binders, pigments, or polymers; surface modification is available for improved dispersion in plastics/paints.

7. What is the packing, handling, and storage recommendation?

Typically supplied in 25kg bags, 1200kg jumbo bags, or 18/24mt container111 bulk; must be stored dry and sealed to avoid moisture pickup.

9. Delivery, Warranty & Certified Customer Support

Standard Lead Time: 7–20 working days post order confirmation (customized products 3–5 days longer).
Quality Warranty: Full replacement/refund policy for out-of-spec deliveries; test record archiving for 24 months.
Traceability: Each shipment tagged with batch code, COA, and shipment photo record per ISO/SGS requirements.
24/7 Technical Support: Dedicated product engineers; on-site support for large contracts.
Sample Policy: Free samples (1–2kg) available, worldwide express shipping.

10. References & Further Reading on Barite Powder

“Current Trends and Market Dynamics in Global Barite, API 13A Quality & Applications”:
IMARC Group - Barite Market Report 2023
“Barium Sulfate: Characterization & Industrial Applications”:
ScienceDirect (Elsevier), Journal of Petroleum Science & Engineering
“ISO 3262-7: Extenders for Paints, Specifications and Test Methods – Part 7: Precipitated Barium Sulfate”:
ISO Official Standard Documentation
“Barite’s Role in Modern Drilling Operations”, Society of Petroleum Engineers (SPE) Journal

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