UNIQ®SPERSE 680 U is a structured polymer dispersing agent for grinding organic and black pigments in water-, solvent- and solvent free based applications.Gives high jetness for HCC carbon black.
UNIQ®SPERSE 680 U is a wetting and dispersing additive for water-, solvent- and solvent free based applications. The dispersant is especially developed for grinding organic pigments, but gives also excellent performances and jetness for HCC carbon black.
- Water-, solvent- and solvent free based applications
- Excellent dispersant organic pigments,
- Gives superior jetness for HCC carbon black
- Suited for resin free pigment concentrates
- Strong viscosity reduction
- High transparency and gloss
- Improves hiding power
Solid content: 100%
Density: 1.08 g/cm3
Acid value: 9 mg KOH/g
Amine value: 65 mg KOH/g
Appearance: Yellowish turbid liquid
Amount of solid additive based on pigment (SOP):
- Inorganic pigments: 2 – 5 %
- Titanium dioxides: 2 – 5 %
- Organic pigments: 15 – 40 %
- Carbon blacks: 20 – 80 %
The above recommended levels can be used for orientation and needs to be optimized by testing.