Natural Barium Sulfate
Narrow and even distribution in size, excellent glossy retention, similar refractive index as organic resins.
Low oil absorption, good leveling property.
High sluggishness and purity, chemical resistance, excellent salt and weather resistance.
Index & Standard | Analysis Result |
TLZ-NBS11 | |
BaSO4 Content | ≥88% |
D50 Particle size | 5-7 μm |
Whiteness (dry) | ≥90 |
Specific Gravity | 4.00 g/m3 |
Oil Absorption | ≤7 ml /100 g |
PH Value | 7±1 |
Moisture | ≤0.15% |
The Residue (325 mesh) | no |
Natural Barium Sulfate is a naturally occurring mineral known for its excellent opacity, high specific gravity, and exceptional chemical stability. It is primarily derived from the mineral barite (BaSO₄), a key component in various industrial applications. As a high-performance filler and extender, Natural Barium Sulfate is widely used in industries such as paints and coatings, plastics, rubber, and more.
In this article, we will explore the characteristics, uses, and benefits of Natural Barium Sulfate, offering insights into why it has become an essential material in modern industrial manufacturing.
🔍 What Is Natural Barium Sulfate?
Natural Barium Sulfate is a mineral compound made up of barium and sulfate ions (BaSO₄), commonly found in the form of barite deposits. This naturally occurring form of barium sulfate is often extracted from mines and is favored for its high purity, uniform particle size, and consistent performance across a range of applications.
Natural Barium Sulfate has a high specific gravity (around 4.3 to 4.6), which makes it a dense filler with superior opacity. Its non-toxic and chemically inert nature ensures that it is safe for a wide variety of applications, including in food-grade and cosmetic products when processed properly.
⚗️ Key Properties of Natural Barium Sulfate
| Property | Specification |
|---|---|
| Chemical Formula | BaSO₄ |
| Appearance | White to off-white powder |
| Specific Gravity | 4.3–4.6 |
| Oil Absorption | 35–45 g/100g |
| Density | 4.5 g/cm³ |
| Purity | ≥ 98% BaSO₄ |
| Particle Size | 1–2 microns (adjustable for specific uses) |
| pH Value | 6–8 (in aqueous solutions) |
Natural Barium Sulfate’s high density and white color make it an ideal choice for high-opacity applications, while its low oil absorption ensures that it can be easily incorporated into various formulations.
🏭 Industrial Applications of Natural Barium Sulfate
1. Paints and Coatings
Natural Barium Sulfate is widely used in paints and coatings to enhance opacity, brightness, and durability. Its high opacity allows for effective coverage of surfaces, while its chemical stability makes it ideal for both interior and exterior paints. Natural Barium Sulfate also improves the weather resistance of coatings, protecting surfaces from UV degradation and environmental wear.
In automotive coatings, architectural paints, and industrial coatings, Natural Barium Sulfate ensures that products maintain their color and finish for longer periods.
2. Plastics and Polymers
In the plastics industry, Natural Barium Sulfate is used as a filler to improve the mechanical properties of plastic products. It enhances the density, rigidity, and opacity of plastic materials without compromising their overall performance. Common applications include PVC, PE, and PP, where Natural Barium Sulfate is used to improve the weathering resistance and thermal stability of the finished products.
3. Rubber and Tires
Natural Barium Sulfate is often used in the rubber industry to improve the strength and durability of rubber products, particularly in tires. It is a preferred filler in tire formulations due to its ability to enhance the wear resistance and provide better processing characteristics. Additionally, it contributes to the opacity of rubber products, offering an aesthetically pleasing finish.
4. Cosmetics
In the cosmetics industry, Natural Barium Sulfate is used as a white pigment in products such as foundations, face powders, and sunscreens. It enhances the coverage and brightness of cosmetic formulations while also providing a smooth texture. Natural Barium Sulfate also plays a key role in sun protection formulations, as it contributes to the physical blocking of harmful UV rays.
5. Drilling Fluids
Natural Barium Sulfate is a key component in the formulation of drilling fluids for oil and gas exploration. It is used to increase the density of the fluid, helping control the pressure and optimize the drilling process. Its chemical inertness ensures that it does not react with other components of the drilling fluid, making it an ideal choice for use in high-pressure and high-temperature environments.
6. Paper and Textiles
In the paper industry, Natural Barium Sulfate is used as a filler to improve the brightness, opacity, and printability of paper. It is also used in textile finishing to impart a smooth, lustrous finish to fabrics.
✅ Benefits of Using Natural Barium Sulfate
High Opacity: Provides excellent coverage and whiteness for a wide range of applications, including paints, coatings, and plastics.
Durability: Enhances the weathering and chemical resistance of products, making them more durable in harsh environments.
Non-toxic and Safe: Suitable for use in products that require high purity, including cosmetics and food-grade applications.
Increased Density: Adds bulk to materials, improving the weight and rigidity of plastics and rubber products.
Cost-effective: Provides a low-cost solution to enhance the performance and appearance of products without compromising quality.
Versatile: Used in a wide range of industries, including paint, plastics, rubber, cosmetics, and drilling.
📦 Packaging and Storage
Natural Barium Sulfate is typically available in 25kg, 50kg, or 1-ton bulk bags for industrial use. Smaller quantities can also be packaged in 5kg or 10kg bags for smaller-scale formulations.
Storage Guidelines:
Store in a cool, dry place to prevent moisture absorption and maintain product quality.
Keep containers tightly sealed to avoid contamination.
Ensure proper ventilation during storage and handling to avoid inhalation of dust.
⚠️ Handling and Safety Precautions
When handling Natural Barium Sulfate, it is important to take standard precautions:
Wear protective gear, including gloves, goggles, and a dust mask when handling the powder.
Ensure that the working area is well-ventilated to minimize dust exposure.
In case of eye contact, immediately flush with water for 15 minutes and seek medical attention.
Consult the Material Safety Data Sheet (MSDS) for further safety instructions.
🌍 Sourcing High-Quality Natural Barium Sulfate
When purchasing Natural Barium Sulfate, it is essential to select a reputable supplier that offers high-purity products with the following qualities:
Consistent particle size and purity to ensure uniformity in final products.
ISO-certified production processes to meet international standards and regulations.
Flexible packaging options to suit both small-scale and large-scale orders.
Competitive pricing and the ability to accommodate custom orders.
Reliable shipping and customer support to ensure timely delivery.
Partnering with a trusted supplier ensures that you receive the highest-quality Natural Barium Sulfate, meeting all of your industrial needs.
Looking for high-quality Natural Barium Sulfate for your industrial applications? Contact us today to receive the best prices, reliable delivery, and technical support for your manufacturing needs.
