Efka® FA 4671 by BASF is a low-molecular weight dispersing agent. It is an alkylol ammonium salt of a high-molecular weight carboxylic acid. It helps reduce interfacial tension between hydrophilic pigments or extenders and the binder.
- It provides faster dispersion, improved pigment dispersion stability, and reduced pigment sedimentation.
- It helps prevent flooding, floating, and orange peel defects while improving gloss and leveling.
- It is an effective anti-settling agent for wash and shop primers.
- It enhances color acceptance in tinting bases of white latex paints, improving pigment efficiency.
- Efka® FA 4671 is suitable for low & high polarity solvent and water-based coatings.
- It is used in air-drying alkyd paints.
- It has a shelf life of 4 years.
- The recommended dosage is 0.5-2.0% by weight on inorganic pigment and 2.5–5.0% by weight on organic pigment.
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Efka® FA 4671 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Active Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Amine Number | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Boiling Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Dynamic | 0.0 Visible After Login | Visible After Login | Visible After Login |