[:en]UNIQ®SPERSE 690 W is a wetting and dispersing additive for aqueous coating systems, also suitable for resin free pigment concentrates, suitable for all pigments.
UNIQ®SPERSE 690 W stabilizes pigments by means of steric stabilization. Well stabilized pigments with small particle sizes will results in high gloss levels, improved color strength and hiding power, improved transparency and reduction of the viscosity. As a matter of fact higher pigment loading pigment concentrates can be achieved.
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- Water borne applications
- Excellent dispersant for inorganic and organic pigments
- Suited for resin free pigment concentrates
- Strong viscosity reduction
- Prevents flooding and floating
- Improves hiding power
- Excellent early water resistance
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Solid content: 40%
Density: 1.07 g/cm3
Amine value: 15 mg KOH/g
Acid value: 15 mg KOH/g
Appearance: light brownish clear liquid
Amount of solid additive based on pigment (SOP):
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- Inorganic pigments: 2 – 5 %
- Titanium dioxides: 2 – 5 %
- Organic pigments: 10 – 40 %
- Carbon blacks: 20 – 100 %
The above recommended levels can be used for orientation and needs to be optimized by testing.
