General
Efka® PU 4063 is a polymeric wetting and dispersing agent for the deflocculation of inorganic and organic pigments in high-quality solvent-based pigment pastes. This results in:
- reduced dispersing time
- improved gloss
- prevention of flooding and floating
- higher color strength
Chemical Nature
modified polyurethane
Typical properties(no supply specification)
| Solvent | butyl acetate / methoxypropyl acetate / solvent naphta |
| density at 20 °C | ~ 0.98 g/cm3 |
| active ingredients | ~ 50 % |
| flash point | 24 °C |
| acid value | ~ 13 mg KOH/g |
| amine value | ~ 6 mg KOH/g |
| color | ≤ 6 |
Applications
Efka® PU 4063 is a dispersing additive for organic and inorganic pigments in high-quality solvent-based pigment pastes.
Efka® PU 4063 reduces the dispersing time and the mill base viscosity and thus facilitates the formulation of highly concentrated pigment pastes. After the pigment paste has been blended into paint, Efka® PU 4063 prevents flooding and floating of pigments and promotes excellent gloss and high color intensity.
Efka® PU 4063 is readily compatible with a wide range of binder types. Pigment pastes based on Efka® PU 4063 can therefore be used in 2-component polyurethane paints, 2 – component epoxy paints, unsaturated polyester, stoving paints and air-drying paints.
