nano barium sulfate

The synthesis process of nano precipitated barium sulfate


Produce the nano barium sulfate with carbonate solution and sulfuric acid and coated with special technology.


Product Details

Nano barium sulfate is a cutting-edge material that plays a crucial role in the next generation of coatings, plastics, paints, and medical applications. With ultra-fine particle size and enhanced surface area, nano barium sulfate offers superior performance compared to conventional grades, making it a preferred additive across industries requiring exceptional strength, clarity, and chemical resistance.

What Is Nano Barium Sulfate?

Nano barium sulfate is a nanometer-scale version of barium sulfate (BaSO₄), produced through advanced precipitation or surface-modification methods. With particle sizes typically ranging from 10 to 100 nanometers, nano barium sulfate delivers unique properties such as high whiteness, low oil absorption, and excellent dispersion, enabling superior material performance in demanding applications.

Unlike traditional barium sulfate, nano barium sulfate offers significantly improved uniformity, transparency, and chemical stability, especially in high-end formulations.

Key Properties of Nano Barium Sulfate

  • Extremely Fine Particle Size (10–100 nm)
    Enhances dispersion and uniformity in polymer matrices and coatings.

  • High Whiteness and Gloss
    Ideal for premium paints, films, and inks requiring high aesthetic value.

  • Low Oil Absorption
    Improves processing efficiency and reduces additive load.

  • Excellent Chemical Inertness
    Offers resistance to acids, alkalis, and environmental factors.

  • High Density
    Improves mechanical reinforcement in plastics and composites.

These properties make nano barium sulfate an irreplaceable component in industries seeking performance without compromise.

Applications of Nano Barium Sulfate

  1. Paints and Coatings
    Nano barium sulfate provides high gloss, UV stability, and enhanced weather resistance. It acts as a functional extender without affecting color tone or transparency.

  2. Plastics and Masterbatches
    Improves dimensional stability, stiffness, and impact resistance. Its nanoscale particle size ensures smooth dispersion, critical in thin films and high-clarity packaging.

  3. Medical Imaging and Pharmaceuticals
    In X-ray contrast agents, nano barium sulfate provides superior opacity with better suspension characteristics. It is also explored in drug delivery systems due to its biocompatibility.

  4. Printing Inks and Paper Coatings
    Enhances brightness, improves ink adhesion, and prevents bleed-through in high-resolution prints.

  5. Rubber and Elastomers
    Boosts tensile strength and reduces processing costs while maintaining elasticity.

Why Use Nano Barium Sulfate Over Regular Grades?

The superiority of nano barium sulfate lies in its advanced characteristics:

  • Enhanced Clarity and Transparency: Especially valuable in optical-grade plastics and clear coatings.

  • Superior Particle Distribution: Results in smoother surfaces and better gloss.

  • Improved Mechanical Properties: Reinforces composite materials without compromising processability.

  • Stable Dispersion: Reduces agglomeration in both water- and solvent-based systems.

These advantages make nano barium sulfate ideal for applications where precision, performance, and aesthetics are critical.

Market Demand and Global Trends

The global market for nano barium sulfate is experiencing rapid growth, fueled by demand from high-tech industries, eco-friendly paints, and advanced polymers. Asia-Pacific, led by China and India, dominates the production landscape, while Europe and North America are key consumers in automotive, healthcare, and electronics sectors.

As sustainable and low-VOC (volatile organic compound) materials gain momentum, nano barium sulfate is emerging as a preferred filler for environmentally conscious formulations.

How to Choose the Right Nano Barium Sulfate Supplier

When sourcing nano barium sulfate, look for suppliers who provide:

  • Consistent Nano-Grade Particle Size
    Verified via SEM or TEM analysis.

  • High Purity (≥99%)
    Low levels of heavy metals and impurities.

  • Custom Surface Treatments
    For hydrophilic or hydrophobic dispersion.

  • ISO and REACH Compliance
    Especially for use in medical, food-contact, or export-sensitive industries.

A reliable supplier can provide not just quality nano barium sulfate, but also technical guidance for formulation and process optimization.

Future Outlook: Nano Barium Sulfate in Advanced Materials

Innovation in nanotechnology continues to unlock new uses for nano barium sulfate. Current research explores its use in:

  • Battery and Energy Storage Materials
    Enhancing dielectric strength and thermal stability.

  • 3D Printing and Nanocomposites
    For improved mechanical fidelity and thermal resistance.

  • Functional Films and Electronics
    Offering EMI shielding, anti-static, and UV-blocking capabilities.

As demand for lighter, stronger, and more durable materials increases, nano barium sulfate will play a key role in next-generation technologies.

Conclusion: Why Nano Barium Sulfate Is the Smart Material Choice

Whether in automotive coatings, medical diagnostics, or high-performance plastics, nano barium sulfate offers unmatched benefits in dispersion, clarity, mechanical strength, and chemical stability. Its unique nanoscale properties empower manufacturers to create superior products that meet both performance and regulatory standards.

As innovation drives demand for better, smarter materials, nano barium sulfate stands out as a strategic component in advanced material science.


Nano Precipitated Barium Sulfate TLZ-PBS302 Technical Data Sheet:


IndexTLZ-PBS302
BaSO4 Content   min%98
D50 Particle   Size um0.3
325 Mesh   Reside max%0
Oil Absorption   max g/100 g12.0±2.0
Moisture max%0.30
Water Soluble   max%0.20
PH Value8.0±1.0
Whiteness % ≥97.0


Application Areas :

Transparent filler masterbatch

Modified Plastic

Car Paints


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