BYK Specialty Additives – Enhancing Surface Quality & Material Performance

VOC- and PFAS-free surface additive, providing excellent anti-blocking performance for aqueous architectural paints and tint bases.

BYK-3741 is a solvent-free, silicone-containing surface additive for solvent-borne and solvent-free coating systems with a slight reduction in surface tension and a slight increase in surface slip. Improves leveling and has a defoaming effect.

BYK-3753 is a silicone-containing surface additive for solvent-borne, solvent-free and aqueous coatings and printing inks with a medium reduction in surface tension and a medium increase in surface slip.

BYK-3762 is a silicone-containing surface additive for solvent-free and solvent-bone coating systems, printing inks and adhesive systems, with a strong reduction in the surface tension. Very good substrate wetting, prevents cratering and increases surface slip.

BYK-1641 is a VOC- and mineral oil-free defoamer for aqueous systems, known for its easy incorporation and excellent price-performance ratio.

BYK-1691 SD is a VOC- and silicone-free, polymer-based defoamer formulated for mineral-bound construction materials. This high-efficiency, free-flowing powder enhances leveling properties and provides long-lasting defoaming effects, ensuring optimal surface quality even at low dosages across diverse mineral binder systems.

BYK-1692 SD is a versatile, VOC- and silicone-free powder defoamer designed for aqueous, mineral-bound building materials. With excellent compatibility across binder systems, it effectively reduces air voids, enhancing surface quality and strength in dry-mix mortars and construction chemical products.

BYK-1810 is a PFAS-free, silicone-containing defoamer for solvent-borne and solvent-free coating systems, adhesives and sealants, and thermosets.

BYK-1811 is a PFAS-free, silicone-containing defoamer for solvent-borne and solvent-free coating systems and adhesives.

BYK-1815 is a PFAS-free, silicone-containing defoamer for solvent-borne and solvent-free coating systems, adhesives and sealants, and thermosets.

BYK-1816 is a PFAS-free, silicone-containing defoamer for solvent-borne and solvent-free coating systems.

BYK-1818 is a PFAS-free, silicone-containing defoamer for solvent-borne and solvent-free coating systems.

BYK 1748 is a silicone-free, 100 % polymeric defoamer based on bio-based raw materials with maximum effectiveness in clear thick layer coatings based on epoxy resin.

BYK-1760 is an emission-free silicone and polymer-containing defoamer and air release agent for solvent-borne and solvent-free coatings, adhesives, sealants and casting resins.

BYK-1789 is a solvent-free, silicone-containing defoamer for aqueous, high build and fast-drying coating systems and adhesives.

BYK-P 9908 is a 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.

BYK-UV 3590 is a crosslinking, silicone-containing surface additive for radiation-curing printing inks and overprint varnishes for reducing tape adhesion (improving tape release), increasing surface slip and creating structural effects.

BYK-W 969 is a wetting and dispersing additive for amide accelerated UP, EP, PUR systems and adhesives to reduce viscosity in mineral-filled systems.

BYK-L 9565 is an OH-functional, silicone-containing surface additive for solvent-borne and high-solid polyurethane (PU), especially in coated fabrics, to improve substrate wetting. Also suitable for use in polymerization processes of PU and polyurethane dispersions (PUD).

BYK-L 9568 is an OH-functional, silicone-containing surface additive for solvent-borne polyurethane (PU), especially in coated fabrics. Also suitable for use in polymerization processes of PU and polyurethane dispersions (PUD).

BYK-LP X 2553 is flow and Leveling Additive for Clear Powder Coating Systems. BYK-LP X 25533 provides high transparency, good flow and leveling properties as well as high gloss levels.

BYK-LP N 26322 is a VOC-free phosphate ester surface additive designed for waterborne paints and tint bases. It enhances dirt pickup resistance and anti-block performance, ensuring improved coating durability. Suitable for architectural coatings, it can be added during dispersion or letdown stages for optimal effectiveness​.