Efka 3500 Polymeric fluorocarbon compound Efka Additives Flow / Levelling agent Surface conditioner, miscellaneous >> Anti-crater aid Wetting agent/ Wet edge enhancer Coatings >> Waterborne Architectural / Decorative General Industrial /Maintenance water Efka-3500 is a polymeric fluorocarbon compound. Efka-3500 reduces the surface tension of water-based systems, which gives the following advantages: • superior anti-cratering behaviour • excellent substrate wetting • excellent levelling • no intercoat adhesion problems. Efka-3500 is recommended for use in water-based industrial and decorative coating systems. Polymeric fluorocarbon compound. Shows superior anti-cratering behaviour, excellent substrate wetting, excellent levelling and no intercoat adhesion problems. Used in water-based industrial and decorative coating systems.