Dispersions, Resins and Additives

Efka®

Dispersions, Resins and Additives

Efka®

Highly efficient dispersing agents, wetting agents and surface modifiers, defoamers, and rheology modifiers for non-aqueous formulations.

The Efka range is a comprehensive portfolio of high-performance additives designed for non-aqueous coating formulations, including solvent-based, solvent-free, and selected water-based systems. Our portfolio combines highly effective dispersing agents, wetting agents and surface modifiers, defoamers, and rheology modifiers to help formulators achieve optimal processing efficiency, appearance, and long-term stability.
With a strong heritage in coating additive technology and a focus on eco-friendly solutions, Efka products support improved pigment dispersion, viscosity control, surface quality, foam management, and application performance across a wide range of industrial coatings, inks, and specialty formulations.

How can we help?
Have a question about BASF's Dispersions, Resins and Additives? Contact our experts.

Products

Defoamers

Highly efficient polymer-based and silicone-based defoamers

Efka PB 2001 S
A silicone-free defoamer for non-aqueous coatings
Efka PB 2020 S
Highly efficient defoamer in eliminating foaming and blistering.
Efka PB 2021 S
A defoamer which is especially suited for solvent-based coating systems.
Efka PB 2050
Silicone-free defoamer for thin layer gel coat, UPE, casting resins and epoxies (i.e. flooring).
Efka PB 2725
A silicone-free defoamer for thermosetting resin systems.
Efka PB 2744
Ultra low VOC de-aerator providing excellent efficiency as well as long-term persistency and effectiveness against macro and micro-foam.
Efka PB 2770
Silicone-free, 100% active deaerator and defoamer for UV-curable formulations, composites, gel coats, cast resins and adhesives with outstanding compatibility.
Efka SI 2022
Silicone-based defoamer for use in polyurethane curtain coatings and stoving enamels.
Efka SI 2041
Highly efficient, more sustainable silicone defoamers for solvent-based systems.
Efka SI 2042
Highly efficient, more sustainable silicone defoamers for solvent-based systems.
Efka SI 2722 S
Solvent-free epoxy and polyurethane systems.
Efka SI 2723
Solvent-free epoxy and polyurethane systems, low odor, high-solid 2-pack systems and solvent-free radiation-curing systems.
Efka SI 2751
Highly efficient silicone defoamer for solvent-based systems.

Dispersing agents

Dispersing agents for non-aqueous systems 

Efka FA 4600
Anti-settling agent for non-aqueous systems; provides good anti-settling properties in polar systems.
Efka FA 4601
Anti-settling agent for non-aqueous systems; good anti-settling properties for medium-polar systems.
Efka FA 4610
A low-molecular-weight dispersing agent.
Efka FA 4611
Solvent-free dispersing agent (acidic polyether) which shows excellent stabilization of inorganic pigments, in particular titanium dioxide.
Efka FA 4620
Dispersant for wetting and dispersing solid particles (e.g. CaCO3, ATH) in unsaturated polyester resin systems.
Efka FA 4644
Dispersing agent that reduces the interfacial tension between pigments or extenders and the vehicle.
Efka FA 4654 AN
Helps to prevent interfacial tension between the hydrophilic pigments/extenders and binder, forming a lattice structure with the pigments at the same time.
Efka FA 4663 AN
An universally applicable additive for non-aqueous coatings.
Efka FA 4665
Dispersing agent for polyurethane systems and stoving enamels; also for orientation of aluminum pigments in CAB automotive base coats.
Efka FA 4666
Dispersing agent for polyurethane systems and stoving enamels with strong anti-settling effect.
Efka PA 4400
Dispersing agent specifically used in coil coating applications and polyester / melamine stoving enamels.
Efka PA 4404
Dispersint agent specially used in coil coating applications and polyester/melamine stoving enamels with reduced residual monomer content.
Efka PU 4009
Dispersing agent for general industrial coatings where cost-effective performance is vital.
Efka PU 4010
High-molecular-weight dispersing agent for stabilizing inorganic pigments including carbon blacks.
Efka PU 4046
Dispersing agent for general industrial coatings.
Efka PU 4047
Dispersing agent for high quality industrial finishes, including automotive OEM and refinish.
Efka PU 4050
Dispersing agent for high-quality industrial finishes including automotive OEM and refinish, as well as resin-containing pigment concentrates.
Efka PU 4061
Polymeric dispersant for stabilizing inorganic and organic pigments.
Efka PU 4063
Polymeric wetting and dispersing agent for the deflocculation of inorganic and organic pigments in high-quality solvent-based pigment pastes.
Efka PU 4463
A polymeric wetting and dispersing agent for deflocculation of inorganic and organic pigments.
Efka PX 4300
High molecular weight dispersant for solvent-based industrial coatings including medium- and long-oil alkyds.
Efka PX 4310
Dispersant made by the controlled free radical polymerization (CFRP) technology, for defined polymer architecture and a low poly-dispersity index.
Efka PX 4320
Dispersant for high-quality solvent-based industrial coatings, being less polar compared to Efka PX 4310; demonstrates better suitability for thermoplastic acrylates.
Efka PX 4321
A dispersant made with Controlled Free Radical Polymerization (CFRP) technology, which results in well-defined polymeric structures.
Efka PX 4330
High-molecular-weight dispersing agent. It is made by the controlled free radical polymerization (CFRP) technology, for defined polymer architecture and a low poly-dispersity index. 
Efka PX 4340
Dispersant for solvent-based high-end applications, industrial, automotive systems with good performance in CAB-modified systems but also with 2-pack PUR and 2-pack epoxies.
Efka PX 4350
Dispersant made by the controlled free radical polymerization (CFRP) technology, for defined polymer architecture and a low polydispersity index.
Efka PX 4360
High efficiency in stabilizing organic pigments and carbon blacks and demonstrates a broad compatibility with many resin systems.
Efka PX 4701
100% active dispersant of the acrylic block co-polymer family made by controlled free radical polymerization.
Efka PX 4701
100% active dispersant of the acrylic block co-polymer family made by controlled free radical polymerization.
Efka PX 4703
100% acrylic block copolymer active dispersing agent especially recommended for high-performance systems such as inkjet inks (UV-curable and solvent-based) and UV-curable flexographic inks.
Efka PX 4720
A high molecular weight acrylic dispersing agent
Efka PX 4733
Advanced tin-free polymeric dispersant with a core-shell structure and is suitable for use in UV-curable ink system including UV-curable flexographic, litho and screen inks.
Efka PX 4753
Next generation high-performance dispersing agent for solvent-based automotive and industrial coatings.
Efka PX 4780
A high-molecular-weight dispersing agent designed to disperse and stabilize organic pigments and carbon blacks. 
Efka PX 4787
A high molecular weight dispersant that is cross-linkable with NCO and melamine-based resin matrices.

Film forming agents

Conductivity aids, coalescing agents, and plasticizers for a variety of systems

Efka IO 6782
Conductivity aid to increase the electric conductivity of a liquid or solid paint film.
Efka IO 6783
Conductivity promoter to adjust anti-static property of coatings and resistivity in liquid formulations to prevent static charge build-up or dust attraction during and after the drying process.
Efka IO 6785
Conductivity promoter to adjust anti-static property of coatings and resistivity in liquid formulations to prevent static charge build-up or dust attraction during and after the drying process.
Efka IO 6786
Conductivity promoter to adjust anti-static property of coatings and resistivity in liquid formulations to prevent static charge build-up or dust attraction during and after the drying process.
Efka MI 6790 ED
Prevents build-up of direct current potentials during electrostatic powder spray coating.
Efka PL 5381
Standard epoxy plasticizer which is extraction-resistant to many industrial agents. The migration resistance is comparable with polymeric plasticizers.
Efka PL 5382
Epoxy plasticizer that improves whiteness and resistance to ageing with food contact range.
Efka PL 5635
A plasticizer for nitrocellulose-, chlorinated rubberand PVC- systems as well as for cellulose acetobutyrate.
Efka PL 5643
A phthalate-free plasticizer for use in PVC, coatings, and rubber. 
Efka PL 5651
Highly efficient plasticizer that enhances low temperature properties and reduces processing viscosities.

Rheology modifiers

Rheology modifiers with excellent anti-settling and anti-sag properties for solvent based systems

Efka RM 1469
Pre-activated polyamide wax thickener; excellent anti-sagging and anti-settling properties for solvent based OEM and refinish, as well as for wood coatings; minimum effect on color and gloss
Efka RM 1900
Modified hydrogenated castor oil rheology modifier that provides excellent sag resistance for non-aqueous formulations with higher temperature stability.
Efka RM 1920
Modified hydrogenated castor oil rheology modifier that provides excellent sag resistance for non-aqueous formulations with standard thixotropy, lower activation temperature, and improved compatibility with polar systems.
Efka RM 1965
Overbased calcium sulfonate rheology modifier that prevents settling of pigments in solvent-based coatings by developing a more shear-thinning rheological behavior; prevents formation of hard pigment sedimentation and improves corrosion resistance in alkyd systems.

Wetting agents and surface modifiers

Slip and leveling agents for versatility in water-based and non-aqueous systems

Efka FL 3287
Next generation of leveling agent for Industrial Coatings to exceed performance and sustainability standards.
Efka FL 3680
A high-performance flow and leveling agent designed to enhance the formulation of solvent-based, solvent-free, and high-solid coatings.
Efka FL 3730
A silicone-free leveling agent for solvent-based, solvent-free, and powder coatings.
Efka FL 3740 EH
Silicone- and solvent-free flow and leveling agent with air-release properties for non-aqueous coatings
Efka FL 3745
Silicone- and solvent-free flow and leveling agent with air-release properties.
Efka FL 3782
Next generation of leveling agent for Automotive Coatings to exceed performance and sustainability standards.
Efka SL 3030
Organically modified polysiloxane; improved slip and mar-resistance; very compatible.
Efka SL 3031
Organically modified polysiloxane; solvent-based metal, wood and paper coatings including UV-cured.
Efka SL 3033
Organically modified polysiloxane; improved surface flow; excellent compatibility in clear coats.
Efka SL 3035
Organically modified polysiloxane; solvent- and water-based coatings, stoving enamels, unsaturated PE including UV-cured.
Efka SL 3200
Universal silicone-based solvent-free slip and leveling agent; suitable for aqueous, solvent-based and UV formulations.
Efka SL 3210
100% active broad spectrum flow and slip enhancer; an efficient and economic solution.
Efka SL 3236
100% active solvent-free modified polysiloxane for solvent-based wood finishes, industrial coatings and solvent-free floor coatings.
Efka SL 3257
Highly effective solvent-free slip additive and leveling agent for non-aqueous coatings and UV systems.
Efka SL 3259
A solvent-free, organo modified polysiloxane for use in printing inks, coatings, and paints.
Efka SL 3288
Polysiloxane, OH functional additive designed to improve slip, levelling, surface smoothness and ‘soft-touch’ effect in high gloss coatings. 
Efka SL 3299
100% active, OH functional, and highly effective additive for increased slip, surface smoothness, and gloss.
Efka SL 3883
Polysiloxane-modified with unsaturated terminal groups; UV-curing systems for wood, plastic and paper coatings.