barium sulfate
Product Features：
The refractive index of this product is 1.64, same as most of the synthetic resin.and the particle size is nano grade, good transmittance of visible light during390-780 nm, the optical property is very good.
With special surface coated technology, low oil absorption, good distribution,good affinity with many kinds of resin, make the final product good mechanicalproperty, improve the filling rate, reduce the final cost.
High L value, could guarantee the final product high glossy and good brightness.
Without halogen, could guarantee the final product safety and cleanliness.
Barium sulfate is an inorganic compound composed of barium, sulfur, and oxygen. It appears as a fine white powder, insoluble in water, and is known for its high density, chemical inertness, and exceptional whiteness. It occurs naturally as the mineral barite and is also produced synthetically for specialized applications requiring higher purity and consistency.
Key Properties:
High Specific Gravity (4.5 g/cm³): Provides excellent weight and opacity
Chemical Stability: Non-reactive with acids and alkalis, ensuring long-term performance
Low Oil Absorption: Maintains rheological properties in formulations
Bright White Appearance: Enhances color fidelity and coverage in final products
Radiopaque: Blocks X-rays, making it useful in medical imaging
Applications:
Paints & Coatings: Used as a functional extender to improve durability, gloss, and weather resistance
Plastics & Polymers: Enhances dimensional stability, reduces shrinkage, and improves surface finish
Rubber Industry: Acts as a reinforcing filler and helps control viscosity
Printing Inks: Provides high brightness and prevents bleeding or fading
Oil & Gas Drilling: Used as a weighting agent in drilling fluids for pressure control
Medical Field: Pharmaceutical-grade barium sulfate is used as a contrast agent in radiographic imaging
Synthesis Process：
Produce the nano barium sulfate with carbonate solution and sulfuric acid andcoated with special technology.
Application Areas：
Transparent filler masterbatch Car Paints
Index | TLZ-PBS302 |
BaSO₄ Content min% | 98% min |
Moisture max % | 0.15 |
Water Soluble max % | 0.15 |
lron Content | 5 ppm |
Whiteness % | 97 min |
Brightness (L Value ) | 98-99% |
Oil Absorption | 10-20 g/cm³ |
PH | 6.5-9.0 |
Particle Size D50 | 0.3 μm |
Residue (45 μm) | 0.02% max |
Conductivity | 150 μs/cm |
