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    • BYK PU Additives grant various functions to the surface, anti-foaming, and moisture dispersion by being added to resin production and post-processing.
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Additives for PU - Aqueous dispersing agent
Product Non-volatile matter(%) Acid value
mgkOH/g
Amine Value
mgkOH/g
Special Features and Benefits
ANTI-TERRA-250 70 46 41 Controlled flocculating wetting and dispersing additive for aqueous primers, fillers as well as adhesives and sealants to prevent sedimentation of fillers and inorganic pigments. Also suitable for filler slurries.
BYK-154 42 - - Ammonium polyacrylate-based dispersing additive for pigment stabilization in aqueous emulsion paints and emulsion adhesives. It is used to improve colorant acceptance and is frequently combined with DISPERBYK-187. The additive is not available on the North American market. Instead, use BYK-152 or BYK-156, which only differ with respect to the non-volatile content.
DISPERBYK-180 81 94 94 Solvent-free wetting and dispersing additive for solvent-borne, solvent-free and aqueous coating systems, printing inks and adhesives for stabilizing inorganic pigments, in particular titanium dioxide.
DISPERBYK-184 52 - 15 Wetting and dispersion additive for aqueous coating systems and for aqueous pigment concentrates which contain resin.
DISPERBYK-185 >90 - 17 Solvent-free wetting and dispersing additive for solvent-borne and aqueous industrial coatings as well as architectural coatings. Particularly suitable for glycol-free universal pastes.
DISPERBYK-190 40 10 - VOC and solvent-free wetting and dispersing additive for aqueous coating systems, printing inks and adhesives. Standard additive for binder-free pigment concentrates. Suitable for all pigments.
DISPERBYK-191 98 30 20 VOC and solvent-free wetting and dispersing additive for aqueous coating systems and adhesives. Suitable for binder-free and binder-containing pigment concentrates. Particularly optimized for emulsion systems.
DISPERBYK-192 >98 - - VOC and solvent-free wetting and dispersing additive for aqueous coating systems, printing inks and liquid color masterbatches for thermoplastics and to manufacture pastes for unsaturated polyester resin systems or gel coats. Particularly suitable for producing stable effect pigment dispersions.
DISPERBYK-2015 40 10 - VOC- and solvent-free wetting and dispersing additive for aqueous coatings, printing inks and adhesives. For binder-free pigment concentrates.
Additives for PU - Solvent-borne dispersing agent
Product Non-volatile matter(%) Acid value
mgkOH/g
Amine Value
mgkOH/g
Special Features and Benefits
BYK-220S 52 100 - Wetting and dispersing additive for ambient-curing plastic systems and solvent-borne coatings to achieve pigment stabilization and to reduce fl ooding/fl oating. Contains silicone.
BYK-9076 96 38 44 Solvent-free wetting and dispersing additive for solvent-borne and solvent-free coatings, adhesives, PVC plastisols, ambient curing resin systems, and for the production of color masterbatches for thermoplastics. Particularly recommended for carbon black pigments. Prevents separation and improves the fiber wetting in SMC/BMC formulations.
BYK-9077 98 - 48 Solvent-free wetting and dispersing additive for solvent-borne and solvent-free coatings, adhesives, PVC plastisols, ambient curing resin systems, SMC, pultrusion, and solvent-free UV printing inks. Production of color masterbatches for thermoplastics. Particularly recommended for basic carbon black pigments.
BYK-L9540 80 - 320 Wetting and Dispersing Additive for Carbon Black in High Polar Liquids like Dime-thyl Formamide. Solubility Enhancer for PUR Granules
BYK-P104S 50 150 - Controlled flocculating wetting and dispersing additive for solvent-borne, medium-polarity to high-polarity coatings to prevent the flooding/floating of titanium dioxide in combination with colored pigments. Contains silicone to improve flooding/floating behavior.
DISPERBYK-108 >97 - 71 Solvent-free wetting and dispersing additive for solvent-borne coatings and printing inks as well as pigment concentrates. Solvent-free version of DISPERBYK-107.
DISPERBYK-163 45 - 10 Wetting and dispersing additive for solvent-borne coatings and 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-185 >90 - 17 Solvent-free wetting and dispersing additive for solvent-borne and aqueous industrial coatings as well as architectural coatings. Particularly suitable for glycol-free universal pastes.
DISPERBYK-2008 66 - 100 Wetting and dispersing additive for solvent-free UV coatings and high-solid systems to improve matting using silica-based matting agents.
Additives for PU - Aqueous Defoamers
Product Composition Non-volatile matter(%) Recommended level(%) Special Features and Benefits
BYK-017 Silicone >98 0.2 - 0.8 Silicone-containing defoamer for aqueous pigment concentrates and glycol pastes for use in printing inks and coatings. Prevents foam during grinding. Long-term stability. Particularly suitable for grinds that contain resins.
BYK-018 Silicone >97 0.05 - 0.8 VOC-free silicone-containing defoamer for aqueous pigmented high gloss emulsion systems which is highly effective against microfoam.
BYK-024 Silicone >96 0.1 - 1.0 VOC-free silicone-containing defoamer for aqueous emulsion lacquers, printing inks, overprint varnishes, and emulsion adhesives. Compatible defoamer. All-purpose and easy to incorporate.
BYK-028 Silicone >98 0.1 - 1.0 VOC-free silicone-containing defoamer for aqueous high gloss emulsion systems and adhesives. Easy incorporation.
BYK-1719 Silicone >98 0.1 - 1.0 VOC-free silicone defoamer for aqueous printing inks and overprint varnishes with spontaneous defoaming effect and high efficiency. Glycol free.
Additives for PU - Solvent-borne Defoamers
Product Composition Non-volatile matter(%) Recommended level(%) Special Features and Benefits
BYK-052 N Polymer 20 0.05 - 0.5 Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free systems. Standard defoamer for many different applications.
BYK-054 Polymer 25 0.1 - 1.0 Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free systems, particularly polyurethane, epoxy coatings.
BYK-066N Silicone 0.7 0.1 - 0.7 Silicone defoamer for solvent-free and solvent-borne coatings, printing inks, and ambient curing plastic systems on the basis of epoxy resin and polyurethane. Standard silicone defoamer for all solvent-borne systems. Good balance between effectiveness and compatibility.
BYK-A501 Polymer 44 0.1 - 0.5 Silicone-free air release additive for unsaturated polyester resins and particularly for polyurethane and epoxy systems.
BYK-L9505 Polymer 89.5 0.1 - 0.3 Air Release Additive for Polyurethane Solutions
BYK-LP A 5551 Silicone >98 0.1 - 0.3 Air Release Additive for Polyurethane Solutions
BYK-1794 Polymer 100 0.1 - 1.0 Emissions-free and silicone-free polymer defoamer for solvent-borne, solvent-free, high-solid, and UV systems.
Additives for PU - Aqueous Functional Additives
Product Recommended Use Composition Non-volatile matter (%) Recommended level (%) Special Features and Benefits
BYK-307 Wet / dry additive Silicone >97 0.05 - 2.0 Silicone-containing surface additive for solvent-free and solvent-borne coating systems, printing inks and adhesive systems, with strong reduction of surface tension. Very good substrate wetting, prevents cratering, and increases surface slip. Solvent-free alternative to BYK-306.
BYK-333 Additive for surface Silicone >97 0.05 - 0.3 Silicone-containing surface additive for solvent-free, solvent-borne and aqueous coating systems, printing inks and adhesive systems as well as ambient-curing plastic systems. Strong reduction of surface tension.
BYK-347 Additive for surface Silicone 85 0.05 - 0.5 Silicone surfactant for aqueous coatings, printing inks and overprint varnishes with a considerable reduction in the surface tension and therefore an improvement in the substrate wetting. Does not increase the surface slip. Suitable for systems that do not contain co-solvents. Particularly good recoatability with thin layers (automotive coatings).
BYK-348 Additive for surface Silicone >96 0.05 - 0.5 Silicone surfactant for aqueous coatings, adhesives, printing inks and overprint varnishes with a considerable reduction in the surface tension and therefore an improvement in the substrate wetting. Does not increase the surface slip. Suitable for systems that do not contain co-solvents.
BYK-349 Additive for surface Silicone >94 0.05 - 0.5 Silicone surfactant for aqueous coatings, adhesives and maintenance products with a considerable reduction in the surface tension and therefore good substrate wetting. Does not increase the surface slip. Suitable for systems that do not contain co-solvents. All-purpose.
BYK-378 Additive for surface Silicone >96 0.01 - 0.3 Solvent-free silicone surface additive for aqueous, solvent-borne, and solvent-free coatings and adhesives to increase surface slip and to greatly reduce surface tension. Minor foam stabilization and low dosage.
BYK-420 Rheology additives Modified Urea 52 0.3 - 1.5 Liquid rheology additive for aqueous and water-reducible coating systems for improving antisagging and anti-settling properties. The additive is also especially suited for manufacturing aqueous pigment concentrates. BYK-420 causes thixotropic flow behavior; post-addition is possible.
BYK-425 Rheology additives Urea Modified PU 50 0.1 - 1.5 Liquid, VOC-free rheology additive for aqueous systems to set the in-can viscosity and to improve the anti-sagging and anti-settling properties.
Additives for PU - Solvent-borne Functional Additives
Product Recommended Use Composition Non-volatile matter(%) Recommended level(%) Special Features and Benefits
BYK-300 Wet / dry additive Silicone 52 0.1 - 0.5 Silicone surface additive for solvent-borne coating systems with a medium reduction of surface tension and a medium increase of surface slip.
BYK-310 Wet / dry additive Silicone 25 0.05 - 0.5 Silicone-containing surface additive for solvent-free and solvent-borne coating systems, printing inks, adhesive systems and ambient-curing plastic systems with a strong reduction in the surface tension. Thermostable up to 210 °C.
BYK-325 Wet / dry additive Silicone 52 0.1 - 0.3 Silicone-containing surface additive for solvent-borne coatings with a slight reduction in surface tension and slight increase in surface slip. Good leveling prevents the ghosting effect.
BYK-333 Wet / dry additive Silicone >97 0.05 - 3.0 Silicone-containing surface additive for solvent-free, solvent-borne and aqueous coating systems, printing inks and adhesive systems as well as ambient-curing plastic systems. Strong reduction of surface tension.
BYK-430 Rheology additives Urea 30 0.1 - 3.0 Liquid rheology additive for solvent-borne coatings, adhesives, and sealants to improve anti-sagging and anti-settling properties.
BYK-3455 Wet / dry additive Silicone >94 0.1 - 1.0 Fluorine-free, silicone-containing additive for improving substrate wetting and leveling in aqueous systems and solvent-free UV coatings.
BYK-SILCLEAN 3700 Wet / dry additive Silicone 25 3.0 - 6.0 Silicone-containing surface additive for solvent-borne coating systems to improve the easy-to-clean effect. Hydroxy-functional. Permanent effect after cross-linking.
BYK-L 9500 Wet / dry additive Silicone >95 0.1 - 0.3 Coagulation and conventional production of polyurethane synthetic leather (wet and dry process).
BYK-L 9520 Wet additive Silicone 87.5 0.5 - 1.0 Pore control additive for the coagulation of PUR artificial leather (wet process).
BYK-L 9525 Wet additive Siliconer >96 0.3 - 1.0 Pore control additive for the coagulation of PUR artificial leather (wet process).
BYK-L 9560 Wet / dry additive Silicone >98 0.1 - 0.3 Slip/Leveling and Anitblock Additives for PUR Artificial Leather.
BYK-L 9565 Wet / dry additive Silicone >97 0.1 - 0.3 Release Paper / Substrate Wetting Additive for PUR Artificial Leather
BYK-LP G 7018 Wet / dry additive Silicone >97 0.1 - 0.5 OH-Functional Silicone-Based Additive for PUR Artificial Leather
BYK-P 9908 Wet / dry additive Acrylate - 1.0 - 3.0 Processing additive/compatibilizer for polyurethane systems to prevent phase separation of polyol blends in storage tanks. Using this twin amphiphilic polymeric emulsifier saves a work step at the construction site. It increases process reliability and reduces application time on site.
TEBESTAT-5128 Rheology additives Ester/Ether - 0.5 - 6.0 Internal anti-static additive for synthetic applications.
Additives for PU - Aqueous WAX
Product Type Wax Base Non-volatile matter(%) Recommended level(%) Special Features and Benefits
AQUACER 498 Wax emulsion Paraffine 50 1.0 - 10 Emulsion of a paraffin wax for improved surface characteristics in aqueous coating systems.
AQUACER 501 Wax emulsion PE 35 1.0 - 6.0 HDPE-based wax emulsion for aqueous systems to improve surface protection.
AQUACER 516 Wax emulsion HDPE 35 - HDPE-based wax emulsion for aqueous leather coatings to improve gloss and surface protection.
AQUACER 517 Wax emulsion HDPE 35 - HDPE-based wax emulsion for aqueous leather coatings to improve gloss and surface protection.
AQUACER 533 Wax emulsion Modified Paraffin 40 2.0 - 4.0 Emulsion of a modified paraffin wax for improved surface characteristics in aqueous coating systems.
AQUACER 539 Wax emulsion Modified Paraffin 35 1.0 - 3.0 Paraffin wax emulsion for improved surface characteristics in aqueous coatings and printing inks.
AQUACER 541 Wax emulsion Montan ester 30 43023 Aqueous emulsion of a montan ester wax for care products and polishes as well as for aqueous coating systems and leather coatings.
AQUACER 565 Wax emulsion Carnaua 30 - Aqueous carnauba wax emulsion for improving the surface characteristics of care products, polishes, and leather coatings.
AQUACER 595 Wax emulsion Modified PE 40 - Emulsion based on a modified polypropylene wax for improving the surface properties of aqueous care products. Strong anti-slip effect and good dirt repulsion. In aqueous leather finishes it produces an anti-slip and anti-tack effect.
AQUAMAT 208 Wax Dispersion Oxidized HDPE 35 1.0 - 4.0 VOC-free, matting wax dispersion based on oxidized HDPE for aqueous coatings to improve surface properties.
AQUAMAT 263 Wax Dispersion Oxidized HDPE 35 3.0 - 6.0 Matting wax dispersion based on oxidized HDPE for aqueous coatings, printing inks and overprint coatings to improve surface properties.
AQUAMAT 270 Wax Dispersion Modified PE 55 2.0 - 4.0 Matting wax dispersion based on modified PE for aqueous coatings, as well as printing inks and overprint varnishes for improved surface protection.
AQUATIX 8421 Wax emulsion Modified EVA 20 5.0 -10.0 Rheology-modifying wax emulsion based on a modified EVA copolymer wax to improve the effect pigment orientation in aqueous coatings.
CERAFLOUR 920 Wax Powder Organic polymer - 0.5 - 10.0 Micronized organic polymer for solvent-borne and aqueous coatings and printing inks for matting. In UV-curable powder coatings it improves surface hardness and has a matting effect.
Additives for PU - Water PU WAX
Product Type Wax Base Non-volatile matter(%) Recommended level(%) Special Features and Benefits
CERAFLOUR 920 Wax Powder Organic polymer - 0.5 - 10 Micronized organic polymer for solvent-borne and aqueous coatings and printing inks for matting. In UV-curable powder coatings it improves surface hardness and has a matting effect.
CERAFLOUR 929 Wax Powder PE - 0.1- 6.0 Micronized, modified polyethylene wax for solvent-borne and aqueous coating systems for improving surface protection and for matting.
CERAFLOUR 950 Wax Powder Modified PE - 1.0 - 10 Micronized wax based on modified HDPE for solvent-borne and solvent-free coatings and printing inks as well as powder coatings to improve the scratch resistance, soft-feel effect and matting. The additive is particularly suitable for radiation-curable formulations.
CERAFLOUR 981 Wax Powder PTFE - 0.1 - 0.3 Micronized PTFE for solvent-borne and solvent-free coating systems and powder coatings to improve the scratch resistance and surface slip.
CERAFLOUR 993 Wax Powder Amide - 0.5 - 2.0 Micronized amide wax for powder coatings to improve degassing (Benzoin-Synergist).
CERAFLOUR 994 Wax Powder Amide - 0.5 - 2.0 Micronized additive based on an amide wax for solvent-borne coating systems and powder coatings. To improve scratch resistance and sandability, electrostatic charge of powder coatings and meat release properties in can coatings.
CERAFLOUR 996 Wax Powder PE/PTFE - 0.3 - 3.0 Micronized, PTFE-modified polyethylene wax for solvent-borne coatings and powder coatings to improve surface properties.
CERAFLOUR 998 Wax Powder PE/PTFE - 0.3 - 2.0 Micronized, PTFE-modified polyethylene wax for solvent-borne coatings and powder coatings to improve the surface properties.
CERAFLOUR 1000 Wax Powder Organic polymer - 0.3 - 3.0 Biodegradable, micronized polymer with wax-like properties based on renewable raw materials for aqueous, solvent-borne and solvent-free systems for matting and improving surface protection and haptics (soft feel effect). Good matting, especially also in radiation curable systems.
CERATIX 8461 Wax P EVA 4.7 40 - 70 Wax dispersion based on an EVA copolymer for solvent-borne effect coating systems to improve the orientation of effect pigments. It reduces settling of the effect pigments in the circulation pipe and in the container.