Precipitated barium sulfate for powder coating

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Precipitated barium sulfate for powder coating

Precipitated Barium Sulfate for Powder Coatings

Precipitated Barium Sulfate serves as a high-performance extender filler in powder coatings. Featuring fine particle size, narrow particle distribution and low oil absorption, it greatly improves the levelling property and powder transfer efficiency, forming smooth and uniform coating films. With stable chemical resistance to acid, alkali and aging, it enhances the coating’s weather resistance, film hardness and scratch resistance, and prevents chalking. It also optimizes opacity. When used together with titanium dioxide, it reduces formulation costs and fits well in both high-gloss and matte powder coating systems.

Barium sulphate content (Baso4)% 98 min
Whiteness %≥ 97 min
Water soluble content %≤ 0.3
105℃ Volatile substance % ≤ 0.2
PH Value (100g/L water suspention) 6.5-9.0
Oil absorption  g/100g 14-20
Moisture %≤ 0.15
Fe content %≤ 0.003
Mean Particle Size (D50) 0.8-1um
Top Particle Size (D100) ≤ 10 um
Residue (45μm) % ≤ 0.01
25KG/BAG

25kg

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