Kabasph Additive Solutions For Gel Coating Systems

Gel coating systems are widely used in composites, marine, sanitary ware, wind energy, automotive, and protective applications. They require uniform pigment dispersion, stable thixotropic rheology, anti-sag performance, excellent surface quality, and reliable adhesion to substrates. Key challenges include pigment and filler wetting, viscosity control, anti-settling during storage, cratering and flow defects, foam generation, and adhesion to glass, metal, and composite surfaces. Our additives help formulators achieve smooth gelcoat surfaces, consistent color development, controlled thickness, and long-term storage stability.

l KBS-F161K is a modified polyurethane dispersant for gel coating systems. It provides excellent pigment and filler wetting, viscosity reduction, and anti-floating performance.

l KBS-F4020 is a modified polyurethane dispersant that inhibits floating colour, stabilises gloss, and offers general-purpose dispersion, inorganic viscosity reduction, and organic pigment dispersion.

l KBS-F8500 is a block copolymer dispersant with broad compatibility, effective pigment dispersion, and excellent stability in gel coating formulations.

l KBS-F8600 is a block copolymer dispersant designed for inorganic nano-filler dispersion, providing excellent stability and uniform particle distribution.

l KBS-F104SK is a silicone compound dispersant that improves filler wetting, prevents floating, and enhances surface smoothness in gel coatings.

l KBS-F9760 is an alkyl ammonium salt of polymer copolymer dispersant. It provides electrostatic stabilisation, pigment dispersion, anti-settling, and viscosity reduction.

l KBS-C410K is an organic polyurea anti-sinking thixotropic agent. It delivers thixotropic flow, anti-settling, anti-sag, and storage stability.

l KBS-C6200 is a modified polyamide solution anti-sinking thixotropic agent. It provides thixotropic control, anti-settling, sag control, and good compatibility.

l KBS-L3580A is a polyacrylate solution wetting and levelling agent. It improves substrate wetting, levelling, flow, and anti-crater performance.

l KBS-L3060 is a silicone solution wetting and levelling agent. It provides surface wetting, slip, anti-crater, and levelling effects.

l KBS-L333K and KBS-L331K are polyether modified silicone wetting and levelling agents. They deliver levelling, anti-crater, slip, and substrate wetting performance.

l KBS-X052K and KBS-X055K are polyacrylate non-silicone defoamers with high defoaming performance and compatibility.

l KBS-X053K is a non-silicone defoamer especially suitable for polyurethane system defoaming.

l KBS-Z0100 is an amino-containing organosilane adhesion promoter. It improves adhesion to glass, metal, and mineral substrates.

l KBS-Z0200 is an epoxy-containing organosilane adhesion promoter. It improves adhesion to epoxy, glass, metal, and composite substrates.

Application Areas

Gel coating systems are widely used where surface appearance, durability, thixotropic control, and substrate adhesion are critical. Typical application areas include:

l FRP Composite Gelcoats — Used in glass-reinforced plastic parts for boats, tanks, pipes, and automotive components. Uniform pigment dispersion and anti-sag performance ensure smooth, defect-free surfaces.

l Marine Gelcoats — Applied in boat hulls, decks, and marine structures. Excellent water resistance, color stability, and surface smoothness are required for long-term outdoor performance.

l Sanitary Ware Gelcoats — Used in bathtubs, sinks, and shower trays. High gloss, smooth surface, and reliable adhesion are essential for durable sanitary products.

l Wind Energy Gelcoats — Applied in wind turbine blades and nacelles. Thixotropic rheology and anti-settling performance support thick-film application and long-term weather resistance.

l Automotive Gelcoats — Used in automotive body panels, truck parts, and custom vehicles. Excellent levelling, anti-crater, and foam control deliver high-quality painted surfaces.

l Protective Gelcoats — Applied in chemical-resistant linings, heavy-duty protective coatings, and industrial equipment. Adhesion promotion and anti-corrosion performance extend service life.

l Tooling Gelcoats — Used in molds and tooling for composites. Dimensional stability, surface hardness, and release performance are supported by thixotropic control and defoaming.

l In-Mold Coatings — Applied during composite molding. Wetting and levelling agents ensure uniform coverage and defoamers prevent surface defects.

For technical data sheets, samples, or customized recommendations for your specific gel coating application, please contact our technical team.