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Defoamers
- BYK Defoamers shows incompatible and insoluble characteristics and spreads within the foam film to grant anti-foaming effect by using the dewetting effect due to the low surface tension and adhesion effect of the surfactant.

Defoamers for solvent-born system

Product	Non-volatile matter(%)	Composition	Applications	Special Features and Beneﬁts
BYK-051 N	20	Polymer	Industrial, Automotive, wood, PCM, architectural	Silicone-free defoamer on polymer-basis and excellent compatibility with solvent-borne systems.
BYK-052 N	20	Polymer	Industrial,Protective Coating, wood, architectural	Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free systems. Standard defoamer for many different applications.
BYK-1752	20	Polymer	Industrial, architectural, wood	Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free systems.
BYK-1790	100	Polymer	Solvent-free UV, Industrial	Silicone-free, polymer-based defoamer for solvent-free, radiation-curing wood and industrial coatings, printing inks and adhesives. Suitable for pigmented and unpigmented coating systems.
BYK-1791	40.5	Polymer	Industrial, wood, ink, UV	Aromatic-free, polymer-based defoamer (silicone-free) for radiation-curing systems (wood and industrial coatings, printing inks and adhesives) that has a spontaneous defoaming effect as well as high transparency and low cratering tendency.
BYK-1794	100	Polymer	Architectural, PCM, Protective Coating, Wood	Emissions-free and silicone-free polymer defoamer for solvent-borne, solvent-free, high-solid, and UV systems.
BYK-054	25	Polymer	Industrial, Protective Coating, Floor	Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free systems, particularly polyurethane, epoxy coatings.
BYK-055	6.5	Polymer	Unsaturated ester, Epoxy, Wood	Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free wood and furniture coatings.
BYK-057	44	Polymer	Unsaturated ester, Epoxy, Wood	Silicone-free defoamer on polymer-basis for solvent-borne and solvent-free coatings and printing inks.
BYK-063	2.1	silicon	Epoxy, Urethane, Alkyd, Acryl, Heat curing	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-065	0.7	silicon	Epoxy, Urethane, Alkyd, Acryl, Heat curing	Silicone defoamer for solvent-borne and solvent-free systems.
BYK-066N	0.7	silicon	Epoxy, Urethane, Alkyd, Acryl, Heat curing	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-LP D 22192	<= 0.7	silicon	Epoxy, Urethane, Alkyd, Acryl, Heat curing	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-067A	89	silicon	Epoxy, Urethane, Alkyd, Acryl	Silicone defoamer for solvent-free and solvent-borne printing inks and overprint varnishes as well as adhesives, sealants, and ambient curing plastic systems. Solvent-free version of BYK-066 N. Odorless.
BYK-072	1	silicon	Industrial, Can Coating	Silicone defoamer for solvent-borne can coatings. Very compatible. Suitable as a post-additive for retroactive incorporation.
BYK-077	52	silicon	Industrial, wood	Silicone-containing leveling additive with good defoaming properties for solvent-borne coating systems.
BYK-081	90	silicon	Industrial, Can Coating, wood, architectural	Fluorine-free defoamer for solvent-borne and amine-neutralized systems.
BYK-085	>98	silicon	UV, Solvent-free	Solvent-free, silicone-containing leveling additive with good defoaming properties for solvent-borne and solvent-free coatings and adhesives.
BYK-088	3.3	Polymer/silicon	Can Coating, Industrial, UV, Wood	Defoamer based on silicones and polymers for solvent-free and solvent-borne coatings, printing inks, ambient curing plastic systems as well as adhesives and sealants. Aromatic-free.
BYK-141	3.2	silicon	Polyester-based, vinyl, NC Lakka, Epoxy, Urethane, Epoxy ester based	Silicone defoamer for solvent-borne and solvent-free coating systems as well as ambient curing plastic systems on polyurethane basis.
BYK-354	51	Polymer	Industrial, PCM, heavy duty, architectural	Polyacrylate-based surface additive for solvent-borne and solvent-free coatings, for UV-curing printing inks and overprint varnishes and ambient curing plastic systems. Standard leveling additive with a deaerating effect.
BYK-392	52	Polymer	Industrial, Protective Coating, Heat curing	Surface additive on polyacrylate basis for solvent-borne baking systems. Promotes leveling, has a spontaneous defoaming effect (particularly for microfoam), and is effective for very short baking times. Suitable for roller application, conventional spraying application, and airless/airmix applications.
BYK-A500	6.5	Polymer	Unsaturated ester, Epoxy, Urethane	Silicone-free air release additive for unsaturated polyester resins as well as polyurethane and epoxy systems; particularly recommended for transparent systems. Also suitable for epoxy floorings.
BYK-A501	44	Polymer	Unsaturated ester, Epoxy, Urethane	Silicone-free air release additive for unsaturated polyester resins and particularly for polyurethane and epoxy systems.
BYK-A525	52	silicon	Epoxy, Urethane	Defoamer/air release agent for potting compounds, sealants and adhesives (polyurethane and epoxy). Contains silicone.
BYK-A530	5	Polymer/silicon	Unsaturated ester, Epoxy	Silicone and polymer-containing defoamer/air release additive for solvent-borne and solvent-free coatings, for plastic systems (ambient-curing and pultrusion applications), adhesives and sealants. Particularly recommended for epoxy resin systems.
BYK-A535	>99	Polymer	Industrial, heavy duty, Floor	Silicone-free air release additive for solvent-borne and solvent-free epoxy and polyurethane systems.
BYK-A555	43	Polymer	Unsaturated ester, Epoxy, Urethane	Silicone-free polymer-based air release additive for unsaturated polyester resins. Suitable for all types of unsaturated polyester resins and processing methods. In particular, also suitable for pultrusion applications with acrylic, unsaturated polyester and vinyl ester resins.
BYK-A560	12	Polymer	Unsaturated ester, Epoxy, Urethane	Silicone-free polymer-based air release additive for solvent-free unsaturated polyester systems, gel coats and cast resins. It is recommended for all glass fiber reinforced, unsaturated polyester applications. It is also recommended for pultrusion applications with acrylic, unsaturated polyester and vinyl ester resins.

Defoamer for water-based paints

Product	Non-volatile matter (%)	Composition	Amine neutralization	Hybrid	Emulsion	Two pack (EP/PU)	Special Features and Beneﬁts
BYK-011	29	Polymer	●	●	●	●	Silicone-free, polymer-based defoamer for aqueous coating systems (also radiation curable systems). Particularly recommended fort two pack polyurethane systems. Very good recoatability.
BYK-012	96	Polymer	●	●	●	●	VOC-free and silicone-free defoamer on polymer-basis for aqueous coatings, adhesives, and paper coatings. Particularly suitable for premium high-gloss architectural coatings. Optimal effect despite addition of smallest amounts only.
BYK-014	100	Polymer	●	●	●	●	VOC-free, silicone-free polymer-based defoamer for aqueous architectural coatings, plasters, adhesives as well as care products and polishes. Optimum performance at the lowest dosage.
BYK-015	>97	Polymer	●	●	●	●	Silicone-free, polymer-based defoamer with anti-popping properties for aqueous coatings. Particularly recommended for automotive and industrial coatings.
BYK-016	>99	Polymer	●	●	●	●	VOC and silicone-free, polymer-based defoamer for aqueous coatings, adhesives, printing inks and overprint varnishes. This defoamer can also be used for the underwater pelletizing of thermoplastics.
BYK-017	>98	silicon	●	●	●	▶	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	>97	silicon	●	●	●	▶	VOC-free silicone-containing defoamer for aqueous pigmented high gloss emulsion systems which is highly effective against microfoam.
BYK-019	60	silicon	●	●	●	▶	Silicone-containing defoamer for aqueous pigment concentrates for use in coatings, printing inks and overprint varnishes. Prevents foam during grinding. Long-term and shear stability. Particularly suitable for resin-free grinds (slurries).
BYK-021	>97	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous high gloss emulsion systems, dispersion adhesives, printing inks and overprint varnishes. Particularly suitable for high-gloss and satingloss systems and for airless application.
BYK-022	>97	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous coatings, printing inks and adhesives. Also effective against microfoam.
BYK-023	18.5	silicon	●	●	●	●	VOC-free silicone defoamer on the basis of an emulsion for aqueous emulsion paints, printing inks, adhesives, and paper coatings. Preferred incorporation into let-down. Easier to incorporate than BYK-022.
BYK-024	>96	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous high gloss emulsion systems, printing inks, overprint varnishes and dispersion adhesives. Compatible defoamer. All-purpose and easy to incorporate.
BYK-025	18.5	silicon	●	●	●	●	Silicone-containing defoamer for aqueous high gloss emulsion systems and adhesive systems. Particularly compatible and therefore easy to incorporate.
BYK-028	>98	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous high gloss emulsion systems and adhesives. Easy incorporation.
BYK-035	>97	Mineral oil		●	●	▶	VOC-free defoamer on the basis of mineral oil for aqueous emulsion paints and high gloss emulsion systems. Contains silicone.
BYK-037	53.5	Mineral oil		●	●	▶	VOC-free defoamer on the basis of a mineral oil emulsion for aqueous emulsion paints, plasters and adhesives. Contains silicone.
BYK-038	>98	Mineral oil		●	●	▶	VOC-free defoamer on the basis of mineral oil for aqueous emulsion paints and high gloss emulsion systems. APEO-free. Contains silicone.
BYK-081	>90	silicon	●				Fluorine-free defoamer for solvent-borne and amine-neutralized systems.
BYK-093	>98	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous wood, architectural and industrial coatings and adhesives. Extremely all-purpose. The finished coating has outstanding long-term stability in cold and hot storage. Easy to incorporate. Suitable for clear coatings, pigmented systems and all common types of application.
BYK-094	>96	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous coating systems, printing inks, overprint varnishes and adhesive systems. Compatible defoamer. All purpose and easy to incorporate.
BYK-1610	17	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous coatings and adhesives. Preferably used in emulsion systems with a PVC of 35-70. Cost-effective alternative to mineral oil defoamers.
BYK-1611	17	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous coatings and adhesives. Preferably used in dispersion systems within a PVC range of 35-70. Cost-effective alternative to mineral oil defoamers.
BYK-1615	12.5	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous architectural coatings and adhesives. Preferably used in emulsion systems with a PVC of 60-85. Cost-effective alternative to mineral oil defoamers.
BYK-1617	12.5	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous architectural coatings and adhesives. Preferably used in dispersion systems within a PVC range of 60-85. Cost-effective alternative to mineral oil defoamers.
BYK-1640	62	Polymer	●	●	●	●	Polymer-based, VOC- and silicone-free defoamer for aqueous coatings, printing inks, adhesives, paper coatings and construction chemicals. Optimum performance at the lowest dosage. Suitable for applications that come into contact with food.
BYK-1650	27.5	silicon		●	●	●	VOC-free silicone-containing defoamer for aqueous coating systems, printing inks, and overprint varnishes. Compatible defoamer that can be easily incorporated.
BYK-1690 SD	100	powder, Non-silicon					VOC- and silicone-free, solid defoamer based on hydrocarbons for minerally bound construction material systems. Optimum performance even at low dosages.
BYK-1691 SD	100	powder, Non-silicon	-	-	-	-	VOC- and silicone-free, solid, polymer-based defoamer for minerally bound construction material systems with improved leveling properties.
BYK-1710	100	Polymer	●	●	●	●	Emissions-free polymer-based defoamer for aqueous, low-emission coatings and adhesives. Silicone-free and mineral oil-free. Very effective in alkyd emulsions and hybrid systems. Complies with guidelines such as, for example, AgBB in Germany and "Le Grenelle Environnement" in France.
BYK-1711	100	Polymer	●	●	●	●	Polymer-based silicone-free defoamer for aqueous coating systems. The additive has a broad application spectrum
BYK-1719	98	silicon	●	●	●	▶	VOC-free silicone defoamer for aqueous printing inks and overprint varnishes with spontaneous defoaming effect and high efficiency. Glycol free.
BYK-1723	18.5	silicon	●	●	●	●	VOC-free silicone-containing defoamer for aqueous architectural coatings, and adhesives. Preferably used in dispersion systems within a PVC range of 60-85. Cost-effective alternative to mineral oil defoamers.
BYK-1724	27	-	●	●	●	●	VOC-free silicone-containing defoamer for aqueous emulsion paints, printing inks, overprint varnishes, and emulsion adhesives. Compatible defoamer. All-purpose and easy to incorporate.
BYK-1740	100	Vegetable oil	-	●	●	●	“Green” defoamer based on environmentally friendly and sustainable raw materials for aqueous architectural coatings as well as adhesives with excellent defoaming effect. VOC-free and biodegradable.
BYK-1770	>96	silicon	●	●	●	●	Silicone-containing defoamer for aqueous architectural coatings. Particularly suitable for thick layer systems with airless/airmix application. Solvent-free.
BYK-1780	100	silicon	●	●	●	●	Silicone-containing defoamer for aqueous systems with high layer thickness for removing application-related microfoam.
BYK-1785	30	silicon	●	●	●	●	Silicone-containing defoamer for aqueous systems with low to high layer thickness for removing application-related microfoam.
BYK-1798	10	silicon	●	-	-	●	Silicone-containing defoamer for aqueous and radiation-curable systems.