Blanc Fixe N is natural, fine, high grade crystalline barium sulfate powder. It has acid and alkali resistance, high temperature resistance without losing any property including gloss, whiteness, etc. Blanc Fixe N is one of the most used conventional functional filler and inorganic additive worldwide.

Typical Properties

BaSO4 content (%) approx. 94 pH value approx. 8
Colorimetric index L* (%) min. 96.0 Oil absorption (g/100g) 11-16
Mean particle size D50 (μm) approx. 2.5 Density (g/cm3) 4,2-4,4
Top cut D97(μm) max. 7 Acid insoluble (%) max. 0,3
Volatiles (@105⁰C, %) max. 0.1 Mohs hardness 3-3,5
Sieve residue on 325 mesh (%) max. through Refraction index 1,64
Fe₂O₃ (%) max. 0,05


25 kgs multi layer paper – PE bag, 500 kgs and 1000 kgs big bags as per customers’ choices.


Store in cool, dry and well-ventilated areas. For more details, please refer to the material safety data sheet.