EFKA® PU 4047 is a modified polyurethane that improves gloss and reduces flooding problems. It gives higher color strength and lower viscosity. This product is used for all kinds of solvent borne coatings as well as pigment concentrates. The higher molecular weight of EFKA® PU 4047 compared to EFKA® PU 4046 gives stronger deflocculation results with some organic pigments and carbon blacks. In spite of its higher molecular weight, EFKA® PU 4047 has a wide compatibility with all kinds of resins. Pigment concentrates based on EFKA® PU 4047 show lower viscosity than concentrates made with any other EFKA® polymeric dispersants and can even be used in pure let downs based on white spirit.
BASF Dispersions, Resins & Additives business offers a strong portfolio of industry-leading formulation additives for Paint and Coatings to help deliver eco-efficient solutions that meet performance requirements. The BASF formulation additives portfolio encompasses a technology base of dispersing agents, wetting agents and surface modifiers, defoamers, rheology modifiers and film forming agents. For more information about BASF's Dispersion, Resins, and Additives division, visit www.basf.us/dpsolutions.
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