UNIQ® SPERSE FA 625 is wetting and dispersing additive for all kind of pigments in water- and solvent-based systems, especially for decorative coatings and preparation of universal pigment concentrates including compatibility for long oil alkyd resins. Furthermore the additive can give colour acceptance and works as a compatibilizer.
- Dispersant for all pigments
- Prevention of flooding and floating
- Reduce dispersion time
- Increased pigment
- Optimum colour development for colorants
- Improves colour acceptance of colorants in base paints
Solid content: 100%
Density: 1.05 g/cm3
Amine value: 45 mg KOH/g
Acid value: 46 mg KOH/g
Color: Max. 15
Appearance: Brownish liquid
Amount of solid additive based on pigment (SOP):
- Inorganic pigments: 0.5 – 10%
- Organic pigments: 5 – 25%
- Base Paints: 0.2 – 1,5%
- Color acceptance (post add): 0.2 – 1.5%
The above recommended levels can be used for orientation and needs to be optimized by testing.
Best viscosity reduction properties will be obtained when the pH of the final colorant is adjusted to 8 – 8.5