EFKA® FA 4654 helps to prevent interfacial tension between the hydrophilic pigments/extenders and binder, forming a lattice structure with the pigments at the same time. This means: reduced dispersion time, stabilization of the pigment dispersion, reduced pigment sedimentation, reduced tendency to sag during application on vertical surfaces, and prevention of flooding. It is a high molecular weight carboxylic acid salts. EFKA® FA 4654 is ideal for dispersing organophilic bentonites, because it reduces dispersion time, improves the storage properties of the final paste and gives a thixotropic, easily processed paste product. It is especially suitable for non- to medium-polar binder systems, ie. air-dried alkyd resins, chlorinated polymers, alkyd/amino resin combinations and epoxies. EFKA® FA 4654 can cause discoloration in nitrocellulose varnishes.
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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