Efka® FA 4644
Low molecular weight dispersing agent
Efka® FA 4644 reduces the interfacial tension between pigments or extenders on one side and the vehicle on the other side.
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| general | low-molecular-weight dispersing agent |
| Efka® FA 4644 reduces the interfacial tension between pigments or extenders on one side and the vehicle on the other side. Product benefits are: | |
| • reduced dispersing time | |
| • improved stabilization of the pigment dispersion | |
| • reduced pigment sedimentation | |
• increased gloss | |
• improved flow | |
| chemical nature | unsaturated polyamide and acid ester salts |
Properties
| physical form | transparent, yellowish liquid | |
| storage | Efka® FA 4644 should be stored in a cool and dry place. | |
typical properties (no supply specification) | solvent | xylene/n-butanol/monopropylene glycol |
| density at 20 °C (68 °F) | ~ 0.94 g/cm3 | |
| active ingredients | ~ 52 % | |
| flash point | ~ 25 °C (77°F) | |
| acid value | ~ 25 mg KOH/g | |
| amine value | ~ 16 mg KOH/g | |
Application
Efka® FA 4644 is compatible with all coating systems (solvent-free or not). The pot-life of two-pack systems is not affected. Advantages offered by using Efka® FA 4644 when dispersing organically treated bentonites are:
● shorter dispersing time
●
easier handling of the bentonite gel
●
improved storage stability
We cooperate with multiple well-known domestic suppliers
Our products have passed various industry certifications
