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Efka® PU 4050



EFKA® PU 4050 is a modified polyurethane for stabilizing inorganic and organic pigments with strong viscosity depressing properties. It improves gloss, reductions of flooding problems, higher color strength and lower viscosity. This product is used in all kinds of solvent borne coatings, including automotive topcoats (OEM and refinish) and high-quality industrial coatings such as coil coatings and 2-pack polyurethane coating systems. EFKA® PU 4050 can also be used in pigment concentrates for such high-end applications requiring durability.


  • Generates high color strenght
  • Prevents flooding and flotation
  • Excellent for co-grinding
  • Reduces diseprsing time
  • Improved gloss

Product Groups

  • Dispersing Agents / High-Molecular Weight, High-molecular Weight