- back
- closeopen
- maximizeminimize

Additives for Automotive Refinish Coatings
Excellent optical appearence and good substrate protection are major requirements. BYK offers the right additives for solvent-borne and aqueous primer surfacers, one-coat topcoats and basecoat / clearcoat systems. Defect-free surfaces with good leveling can be achieved as well as excellent defoaming and pigment stabilization (incl. effect pigments).
Related Links
Rheology-modifiying wax emulsion for aqueous automotive coatings and premium industrial coatings to improve effect pigment orientation. VOC-free.
BYK®-015
Silicone-free defoamer for aqueous coatings with good anti-popping properties. Suitable for air and fast drying 1-pack and 2-pack systems, primer surfacers, basecoats, top-coats as well as clear coats.
VOC-free silicone defoamer for aqueous emulsion paints, printing inks, adhesives, and paper coatings. Compatible defoamer. All-purpose and easy to incorporate.
VOC-free silicone defoamer for aqueous dispersion coatings, wood and furniture coatings as well as adhesives and paper coatings. Easy to incorporate into PU dispersions.
Silicone defoamer for solvent-borne industrial and architectural coatings as well as adhesives. Standard silicone defoamer for all solvent-borne systems. Good balance between effectiveness and compatibility.
BYK®-141Silicone defoamer for solvent-borne, low-polar to high-polar coating systems and printing inks. Very compatible. Suitable as a post-additive.
Silicone surface additive for solvent-borne coating systems and printing inks with strong reduction of surface tension. Excellent substrate wetting, prevents craters, and increases surface slip.
Silicone surface additive, polyester-modified, for solvent-borne coating systems and printing inks with a strong reduction of surface tension. Excellent substrate wetting, prevents craters, and increases surface slip. Particularly suitable for baking systems. Thermostable up to 210 °C, therefore good recoatability.
Silicone surface additive for solvent-borne automotive coatings with a minor reduction of surface tension and a minor increase of surface slip. No blushing during hot water aging.
BYK®-320Silicone surface additive for solvent-borne coating systems with a minor reduction of surface tension and a minor increase of surface slip. Good leveling, has defoaming properties.
Silicone surface additive for solvent-borne coating systems with a minor reduction of surface tension and a minor increase of surface slip. Thermostable up to 250 °C. Good leveling, has defoaming properties.
BYK®-331Silicone surface additive for solvent-free and solvent-borne industrial and automotive coatings as well as printing inks with a medium reduction of surface tension and a medium increase of surface slip. Good leveling and recoatability. Suitable for use in isocyanate hardeners.
Silicone surface additive for solvent-free, solvent-borne and aqueous coating systems and printing inks with a strong reduction of surface tension. Excellent substrate wetting, prevents craters, and increases surface slip.
Silicone surfactant for aqueous coatings, printing inks, and paper coatings with a significant reduction of surface tension. Therefore good substrate wetting. No effect on surface slip. Particularly suitable for co-solvent-borne systems.
Silicone surfactant for aqueous coatings, printing inks, and paper coatings with a strong reduction of surface tension. Therefore good substrate wetting. No influence on surface slip. Suitable for systems with co-solvents. Exceptional recoatability with thin layers (automotive OEM coatings).
Silicone surfactant for aqueous coatings, printing inks, and paper coatings with a strong reduction of surface tension. Therefore good substrate wetting. No influence on surface slip. Suitable for co-solvent-free systems. All-purpose.
Surface additive on polyacrylate-basis for solvent-borne coating systems and printing inks to improve leveling. For medium-polar to polar systems.
Surface additive on polyacrylate-basis for solvent-borne coating systems and printing inks. Standard leveling additive. No turbidity in clear coats and no haze in pigmented systems.
Silicone surface additive for solvent-free, radiation-curable, and solvent-borne coating systems and printing inks with a strong reduction of surface tension. Excellent substrate wetting, has an anti-crater effect and significantly increases surface slip. Highly efficient at low doses. Solvent-free.
Surface additive on polyacrylate-basis for aqueous industrial, automotive, and furniture coatings as well as printing inks and paper coatings to improve leveling. In paper coatings, it improves compatibility and wettability.
BYK®-392Surface additive on polyacrylate-basis for solvent-borne automotive coatings and baking systems as well as coil coatings. Promotes leveling, has a spontaneous defoaming effect (particularly for microfoam), and is effective for very short baking times. Suitable for roller, conventional spraying, and airless/air mix applications.
Silicone-free surface additive for solvent-borne coil, can, industrial and automotive coatings to improve leveling (DOI) and to provide a moderate reduction of surface tension. Shows defoaming effect at higher dosages.
Liquid rheology additive for solvent-borne automotive, industrial, and plastic coatings with excellent anti-sagging properties due to the quick structure recovery. Temperature-independent viscosity during flash-off and drying. Suitable for pneumatic and bell spray applications.
VOC-free, liquid rheology additive for aqueous dispersion-based systems to improve anti-sagging and to adjust in-can viscosity. The additive is suitable for increasing the grinding viscosity of aqueous pigment pastes.
VOC-free, liquid high-shear thickener for aqueous dispersion-based systems to improve application viscosity (high-shear effect). The rheology additive improves leveling, reduces the tendency to spatter, and provides optimal brush drag.
BYK®-430Liquid rheology additive for solvent-borne and solvent-free medium-polarity systems to improve anti-sagging and anti-settling properties. The additive is particularly suitable for thick layer systems due to its pseudoplastic flow behavior.
Silicone- and mineral oil free defoamer on polymer basis for aqueous coatings and printing inks. The additive has a broad application profile. It shows no separation or seeding.
BYK®-3550Silicone substrate wetting agent and leveling agent on the basis of a silicone acrylate copolymer for solvent-borne automotive, industrial, architectural, wood, and furniture coatings. Strongly reduces surface tension of the wet coat. Good recoatability and intercoat adhesion. No ghosting. May be used in all coating layers.
BYK®-A 555
Highly efficient silicone-free air release additive on polymer-basis for solvent-free and solvent-borne UP systems and adhesives. Suitable for all types of UP resins and processing methods.
BYK®-E 410
Liquid rheology additive for solvent-borne and solvent-free systems to improve anti-sagging and anti-settling properties in a medium-polar range. Increases thixotropy. Post addition is possible. Contains the solvent NEP.
BYK®-E 420Liquid rheology additive for aqueous and water-reducible systems to improve anti-sagging and anti-settling properties. Increases thixotropy. The additive is particularly suitable for the production of aqueous pigment pastes. Contains the solvent NEP.
BYK®-W 966
Wetting and dispersing additive for coating systems, UP resins, and adhesive applications to reduce viscosity in filled spray-up and hand lay-up resins as well as cobalt-accelerated putty compounds. Aromatic-free.
Wetting and dispersing additive for amide accelerated UP, EP, PUR systems and adhesives to reduce viscosity in mineral-filled systems. Embedded into the polymer matrix due to their OH functionality. Prolonged gelling time in cobalt-accelerated UP resins.
BYK®-W 980Wetting and dispersing additive for UP resins and adhesives. Improves dispersion of all traditional fillers such as calcium carbonate and aluminum hydroxide in UP and EP resins. Reduces viscosity and dispersing time and prevents fillers from settling, particularly in highly ATH-filled systems (fire protection). Stabilizes titanium dioxide dispersions in gel coats.
BYKETOL®-AQ
Silicone-free surface additive for aqueous automotive and industrial coatings to prevent the formation of bubbles and boiling marks in baking systems. The additive is HAPS-free and APEO-free.
CERAFAK® 103
Wax dispersion on the basis of an EAA copolymer for solvent-borne effect coating systems, particularly for the automotive industry. Improves effect pigment orientation and prevents settling in the container.
CERAFAK® 106Wax dispersion on the basis of an EVA copolymer for solvent-borne effect coating systems, particularly for the automotive industry. Improves effect pigment orientation and prevents settling in the container.
CERAFAK® 110Wax dispersion on the basis of an EVA copolymer for solvent-borne effect coating systems, particularly for the automotive industry. Improves effect pigment orientation and prevents settling in the container. Aromatic-free version of CERAFAK® 106.
CERATIX® 8461
Wax dispersion on the basis of an EVA copolymer for solvent-borne effect coating systems to improve effect pigment orientation. Prevents settling of effect pigments in the container and the circulation pipe.
CERATIX® 8463Wax dispersion on the basis of an EVA and EAA copolymer mix for solvent-borne effect coating systems to improve effect pigment orientation. Prevents settling of effect pigments in the container and the circulation pipe.
CERATIX® 8466Wax dispersion on the basis of an EVA copolymer for solvent-borne effect coating systems to improve effect pigment orientation. Prevents settling of effect pigments in the container and the circulation pipe. Aromatic-free version of CERATIX® 8461.
DISPERBYK®-110
Wetting and dispersing additive for solvent-borne coatings and printing inks to stabilize inorganic pigments, particularly titanium dioxide. Significantly reduces millbase viscosity.
DISPERBYK®-161Wetting and dispersing additive for solvent-borne automotive and industrial coatings and pigment concentrates. Particularly suitable for stabilizing carbon blacks with a fine particle size as well as organic pigments, especially in two-pack PU and baking systems. Outstanding reduction of millbase viscosity.
DISPERBYK®-162Wetting and dispersing additive for solvent-borne coatings and printing inks as well as pigment concentrates. Particularly suitable for stabilizing carbon blacks as well as organic pigments, especially in two-pack PU wood and furniture coatings.
DISPERBYK®-163Wetting and dispersing additive for solvent-borne coatings and printing inks as well as pigment concentrates. Stabilizes pigments of all types. Broad compatibility for all-purpose solvent-borne pigment concentrates on the basis of aldehyde and acrylate grinding resins.
DISPERBYK®-167Wetting and dispersing additive for solvent-borne coatings and printing inks as well as pigment concentrates. Stabilizes pigments of all types. Broad compatibility for all-purpose pigment concentrates on the basis of aldehyde and acrylate grinding resins. Aromatic-free version of DISPERBYK®-163.
DISPERBYK®-180Solvent-free wetting and dispersing additive for solvent-borne, solvent-free, and aqueous coating systems, printing inks, and adhesives. Particularly suitable for inorganic pigments and titanium dioxide.
DISPERBYK®-184Wetting and dispersing additive for aqueous coating systems and printing inks. Particularly suitable for pigment concentrates containing resins (water-reducible systems).
DISPERBYK®-190VOC-free and solvent-free wetting and dispersing additive for aqueous coating systems, printing inks, and adhesives. Standard additive for pigment concentrates without resins. Suitable for all pigments.
DISPERBYK®-192VOC-free and solvent-free wetting and dispersing additive for aqueous coating systems, printing inks, adhesives, and thermoplastics. Particularly suitable for the production of stable effect pigment dispersions. Used in combination with BYK®-154 for the production of white architectural coatings.
Wetting and dispersing additive on CPT-basis for solvent-borne automotive and industrial coatings to stabilize pigments in base coats containing CAB. Increases the jetness of carbon blacks in automotive coatings.
DISPERBYK®-2001Wetting and dispersing additive on CPT-basis for solvent-borne automotive and industrial coatings to stabilize pigments in base coats containing CAB. Increases the jetness of carbon blacks in automotive coatings. Particularly good reduction of millbase viscosity.
DISPERBYK®-2010Solvent-free wetting and dispersing additive on CPT-basis for aqueous coating systems for particularly cost-effective pigment concentrates without resins. Increases water resistance.
DISPERBYK®-2012VOC-free and solvent-free wetting and dispersing additive on CPT-basis for aqueous automotive and industrial coatings. Particularly suitable for resin-containing grinds (emulsions and water-reducible coatings) as well as resin-free pigment concentrates containing amines, thickeners, co-solvents, and surfactants.
DISPERBYK®-2117Solvent-free wetting and dispersing additive for solvent-borne pigment concentrates and printing inks. It is mainly used in the dispersion of carbon blacks and organic phthalo pigments (blue and green). BYK®-SYNERGIST 2102 supports the effect of DISPERBYK®-2117 in terms of color strength and rheology.
DISPERBYK®-2118Solvent-free wetting and dispersing additive for solvent-borne pigment concentrates and printing inks. It is mainly used in the dispersion of carbon blacks and organic phthalo pigments (blue and green). BYK®-SYNERGIST 2102 supports the effect of DISPERBYK®-2118 in terms of color strength and rheology.
DISPERBYK®-2155VOC-free and solvent-free wetting and dispersing additive for solvent-borne and solvent-free coating systems and for the production of broadly compatible pigment concentrates. Particularly suitable for high-solid and solvent-free systems due to 100% active substance.
NANOBYK®-3650
Inorganic additive on the basis of non-polar surface-modified silicon dioxide nanoparticles (20 nm) for solvent-borne wood, furniture, industrial, plastic, and automotive coatings, which require a maximum level of transparency. To improve scratch resistance. Creates an instant reflow effect due to the increased elasticity while retaining the same level of hardness.
NANOBYK®-3652Inorganic additive on the basis of medium-polar surface-modified silicon dioxide nanoparticles (20 nm) for solvent-borne wood, furniture, industrial, plastic, and automotive coatings, which require a maximum level of transparency. To improve scratch resistance. Creates an instant reflow effect due to the increased elasticity while retaining the same level of hardness.







