Efka® PU 4050 by BASF acts as a dispersing agent for solvent-borne coatings. It is high molecular weight polymeric dispersant for inorganic and organic pigments. It provides improved gloss and DOI. It offers reduced flooding, higher color strength and lower viscosity. Efka® PU 4050 is used for pigment concentrates, automotive topcoats (OEM and refinish), coil coatings and 2-pack polyurethane coatings. Its recommended dosage level for inorganic pigments is 10% of oil absorption value, organic pigments is 25–50% of BET value and carbon black is 20% of DBP absorption value.
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Efka® PU 4050 properties
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