High-density filler
High-grade barium sulphate
Bright, inert and high-density barium sulphate for coatings, plastics, pigments and specialty uses.
Overview
Our barium sulphate grades are characterized by excellent whiteness, controlled particle size and low levels of soluble salts — suitable for high-performance coatings and technical applications.
Applications
- Paints & Coatings — improved opacity, gloss and weathering
- Plastics — filler for stiffness and brightness
- Rubber — reinforcement and surface finish
- Medical — radiopaque media (specialized grades)
Typical Specifications
| Chemical formula | BaSO₄ |
| Whiteness (ISO) | 92–98% |
| Moisture | <0.5% |
| Specific gravity | 4.4–4.5 |
| Particle size (D50) | 1–10 µm (custom) |
Questions
Frequently asked questions
What is barium sulphate used for?
As a high-density white filler in paints and coatings, plastics, rubber, and selected specialty or radiopaque applications.
What specific gravity do you supply?
Typical specific gravity is 4.4–4.5 with whiteness of 92–98%.