Products in Foam Control: Epoxies (EP)

Efka® PB 2020 is a defoamer that accelerates defoaming in solvent-based coatings. It eliminates foaming and blistering caused by various factors, such as wood or paper substrates or during pumping, rolling, flooding, or airless spraying. This defoamer is particularly suitable for nitrocellulose lacquers, acid-curable wood finishes, two-pack polyurethane lacquers, and cold-cured epoxy resin systems.

Efka® PB 2010 is a highly efficient defoamer designed for solvent-based coatings, particularly high-gloss top coats. Its universal nature allows its use for semi-matte and matte coats with a wide range of solvent-based binders. Silicone-free, it has no negative impact on inter-coat adhesion, making it suitable for primers, sealers, and various solvent-based systems, providing high defoaming performance while maintaining excellent compatibility.

Efka® SI 2722 S is a versatile additive serving as a solvent-free defoamer and leveling agent compatible with polyurethanes (PU) and epoxies (EP).

Efka® PB 2001 is a silicone-free defoamer tailored for non-aqueous coatings. It is especially suited for highly viscous coatings based on 2-pack epoxy, unsaturated polyester, and PUR systems. The blend of vinyl polymers in organic solvents ensures effective defoaming, making it suitable for applications like nitrocellulose lacquers, acid-curable wood coatings, and fast-drying formulations applied on curtain coaters.

Efka® SI 2723 acts as a defoamer, developed for the rapid de-aeration of solvent-free polyurethane and epoxy compounds. It yields excellent results in flooring applications, ensuring foam- and blister-free self-leveling coatings. Additionally, it acts as a leveling agent, contributing to a smooth coating surface, all while maintaining a low odor. Its chemical nature consists of a solution of defoaming substances containing silicone.

Efka® SI 2022 is a silicone-based defoamer suitable for both solvent-based and solvent-free coatings. It prevents the formation of foam and blisters during manufacturing and application. It is recommended for two-pack systems based on polyurethane and epoxy resins, especially suited for polyurethane-based curtain coating finishes, and baking enamels based on alkyd resins or saturated polyesters.

Efka® SL 3236 functions as a slip and leveling agent, being an organically modified polysiloxane soluble in various solvents. It improves general surface characteristics and is recommended for non-aqueous coatings like baking enamels, acid-curable or polyurethane wood finishes.

AEROSIL® R 202 is a hydrophobic fumed silica grade, treated with a polydimethylsiloxane. This product can be used in defoamer formulations for sedimentation stabilization and due to its high hydrophobicity as defoaming component.

TEGO® Antifoam ESMK 41 is an organo-modified polysiloxane tailored for its defoaming capabilities. This product, belonging to the polysiloxane chemical family, is organomodified and is available in liquid form. Importantly, it is proudly labeled as solvent-free and is classified under CASE ingredients within the foam control additives category.

AEROSIL® R 8200 is a structure modified hydrophobic silica grade treated with HMDS (Hexamethyldisilazane). It is characterized by an extremely low thickening effect and high compacted bulk density. Its high hydrophobicity makes it suitable as a defoamer silica.

AEROSIL® R 812 is hydrophobic fumed silica grade treated with HMDS (Hexamethyldisilazane). It can be used for sedimentation stabilization and due to its high hydrophobicity as defoaming agent.

AFCONA 7201 is recommended for unsaturated polyester, PVC, epoxy, and polyurethane resin systems. It is a moderately strong defoamer, but is not suitable for unpigmented/clear systems, as it may cause in-can haziness. However, this has a negligible effect on final gloss and will not influence other properties of the system.

AFCONA 7375US is a modified fluorocarbon polyacrylate surface modifier with anti-foam and leveling properties. Higher fluorocarbon modification than AFCONA 7371. It is recommended for unsaturated polyester, PVC, epoxy, and polyurethane resin systems. With the higher fluorocarbon modification, AFCONA 7375US is excellent in surface tension related performance, such as anti- cratering, fiber wetting, pigment and extender wetting and faster leveling.

AFCONA 2025 is a moderate defoamer with minimal side effects that prevents the formation of foam and blisters during manufacturing and application. It offers a combination of good defoaming and compatibility with most resin systems, and is recommended for medium-viscosity applications applied by spray and brush.

AFCONA 8203 is a defoamer and air-releaser specially developed for unsaturated polyester, polyurethane, and epoxy resin systems. It provides good defoaming properties to the system while maintaining the system's transparency and clarity, making it an ideal alternative to AFCONA 2720 for high-solid application systems such as UPE, epoxy, and polyurethane.

AFCONA 3750 is a silicone-based leveling and anti-crater agent for aqueous coatings that does not impact inter-coating adhesion. It is a highly fluorocarbon-modified acrylic polymer with very low surface tension, allowing it to substitute and perform as silicones without the side effects of silicones.

AFCONA 5504 is a multi-functional additive that can help wet out difficult or contaminated substrates, lower the surface tension of the coating system, improve pigment grind efficiency, and prevent surface defects such as fisheyes, edge crawl, and craters. It also has great defoaming properties and, due to its hydrophobic nature, reduces the water sensitivity of the final system.

AFCONA 3775 is a leveling agent with very high defoaming effect for solvent-based coatings. AFCONA 3775 is an acrylic polymer tailor made for those applications that need good leveling as well as a high defoaming effect like coil coatings and other foam sensitive systems. It is recommended as a non-silicone leveling agent where silicone is not permitted due to intercoat adhesion problem.

AFCONA 2790 is a polysiloxane-based defoamer designed for use in solvent-borne and solvent-free systems such as epoxy, PU, UV curing, and unsaturated polyester systems. It is also ideal for solvent-based silk printing ink applications. This defoamer has strong anti-foam and deaeration characteristics, quickly removing tiny bubbles in these systems, as well as quickly breaking surface foam. It is suitable for high viscosity solvent-based and solvent-free coatings and ink systems, and its specially designed structure also enhances film leveling behavior. Additionally, AFCONA 2790 is solvent-free, making it ideal for solvent-free construction techniques.

AFCONA 2724 is a defoamer and air-releaser for unsaturated polyester, polyurethane, UV, and epoxy resin systems. It is an alternative to AFCONA 2720 for high solid applications such as UPE, epoxy, and polyurethane. AFCONA 2724 offers very good transparency and performs as a de-aerator in polyester and epoxy resin systems, ensuring the production of foam- and bubble-free compounds and parts. It is especially compatible with epoxy systems.

AFCONA 3770 is a leveling agent with good defoaming effect and anti-crater working for solvent-based coatings. Fluorocarbon modified acrylic polymer. AFCONA 3770 is a fluorocarbon modified acrylic polymer. Besides acting as an effective leveling agent, it also gives a strong defoaming effect as well as anti-crater properties.

AFCONA 2023 is a moderate defoamer with minimal side effects. It prevents the formation of foam and blisters during the manufacturing and application of solvent-based coatings. The product has a moderate defoaming property and does not show many of the obvious side effects seen when using some stronger defoamers.

AFCONA 2620-85D1 is a strong and highly efficient defoamer for solvent-free and solvent-based, high-viscosity systems. It is a solvent-free defoamer that is recommended for use in such systems, and it has an extremely strong performance in foam destruction and anti-foaming for solvent-free epoxy, solvent-based polyurethane, and unsaturated polyester. It is highly efficient, with good defoaming properties even at very low additions. AFCONA 2620-85D1 is suitable for high-viscosity coating systems to prevent foaming and foam destruction at the interface, and is recommended for use in situations where a solvent-free process is required.

AFCONA 3773 is a leveling and surface tension reduction agent for non-aqueous industrial coatings. It is an acrylic-modified fluorocarbon designed to provide anti-crater, substrate wetting, and leveling performance. Compared to AFCONA 3777, AFCONA 3773 has better compatibility and leveling performance. It offers a well-balanced combination of defoaming and leveling performance, making it an ideal choice for use as a universal leveling agent.

AFCONA 3670 is an anti-crater, substrate wetting and leveling agent for solvent-based coatings. AFCONA 3670 is an improved version of AFCONA 3777 on managing surface control of coatings. It has lower surface tension than AFCONA 3777. The combination with a suitable polysiloxane for better overall performance is highly recommended.

AFCONA 2050 is a strong defoamer for most solvent-based coatings. AFCONA 2050 offers very strong defoaming and anti-foam performance with good compatibility in many resin systems. It is suitable for solvent-based coatings, printing inks and thermosetting resin systems. The product eliminates foam and blistering, regardless of whether the air bubbles are caused by the substrate.

AFCONA 2024 is a strong defoamer with leveling performance for all solvent-based coatings. It is a unique defoamer. It has very strong defoaming and anti-foam performances with additional good leveling. This is in contrary with most of the other defoamers, which influence the leveling performance negatively.

AFCONA 3777 is an anti-crater, substrate wetting and leveling agent for solvent-based coatings. It is the 1st generation of fluorocarbon modified polyacrylic. Recommended as non-silicone leveling agent where silicone is not permitted due to intercoat adhesion problems. However, we highly recommend a combination with a suitable polysiloxane for better overall performance.

AFCONA 2280 is a very effective defoamer and air-releaser for solvent-based and solvent-less systems. AFCONA 2280 is a silicone-based product developed to produce rapid de-aeration for pigmented and mat finish of wood coating in NC, AC and PU. For high gloss and transparent wood coatings, it may cause some in can haziness when the dosage is higher than 0.50% in PU and AC system.

AFCONA 2727 is a very effective defoamer and air-releaser for filled and unfilled epoxy, UPE, and polyurethane systems. It is a silicone-based product developed to aid in the rapid de-aeration of polyurethane and epoxy compounds used in flooring or general industrial applications. This is the most effective defoamer for epoxy self- leveling systems.

AFCONA 2763 is a moderate defoamer with fewer side effects than traditional products, preventing the formation of foam and blisters during manufacturing and application. It offers good defoaming while being compatible with most resin systems, and is recommended for medium viscosity applications applied by spray and brush.

AFCONA 3030 is a slip and leveling additive for both solvent and water-based systems. It is a polyether-modified polysiloxane and is recommended as a slip and leveling agent to prevent Bénard Cells and provide leveling and prevent craters. It can be used in both water- and solvent-based applications, though it may stabilize foam in water-based coatings.

AFCONA 3522 is an additive to improve the surface characteristics of waterbased coatings. It is a waterbased emulsion of an organically modified polysiloxane, with the active ingredient being a hydrophobic polymer that gives water resistance and slip performance to the coating after drying. This product also offers low foam stabilization. AFCONA 3522 is recommended for use in all types of waterbased coatings.

AFCONA 2726 is an effective defoamer and air-releaser for filled and unfilled epoxy, urethane, and polyurethane systems. It is a silicone-based product developed for rapid de-aeration of polyurethane and epoxy compounds used in flooring and general industrial applications. Furthermore, this product is highly effective in defoaming UPE systems.

AFCONA 3779 is a leveling agent for solvent-based coatings. It is a pure polyacrylic leveling agent. Polyacrylics are well known for flow and leveling performance. AFCONA 3779 also acts as defoamer in most coating systems. It provides anti-flooding and floating properties, works as a defoamer and deareator.

AFCONA 2028 is a moderate defoamer that is easy to incorporate. AFCONA 2028 prevents the formation of foam and blisters during the manufacturing and application of solvent-based wood finishes.AFCONA 2028 is particularly suitable as a defoamer for curtain coatings and may also be used during production. When foam causes a problem during packaging, AFCONA 2028 may be added slowly while stirring, which will speed up the bubble-breaking process. For this application, AFCONA 2028 is more user-friendly and easier to handle than AFCONA 2022 because it is less sensitive to crater formation and other well-known defoamer side effects.