
A broad portfolio of FOAM CONTROL AGENTS
EFFICIENCY MEETS COMPATIBILITY
Our antifoams are suitable for water miscible fluids and neat oils. They can be used in metalworking fluid concentrates and as tank defoamers.
Antifoams of our Lubricant Additives segment exhibit extraordinary stability and filterability, thus providing excellent long term antifoaming properties and leading to major cost savings. They are based on either mineral oils, vegetable oils, silicone oils or organomodified siloxanes (OMS), which are our core competence.
While organic antifoams show excellent compatibility but moderate efficiency, silicone-oil based antifoams offer high efficiency with often poor compatibility. Our specialty antifoams based on OMS provide the best of these two worlds - high compatibility combined with excellent performance. As an example, organomodified siloxane-based antifoams do not cause any detrimental effects in the finishing processes of treated parts, which are typical for silicone oil-containing antifoams.
In our regional competence centers we are able to design the properties of antifoams, such as compatibility and efficiency (function of surface activity), in order to meet your specific requirements. Long term stability of antifoams in metalworking fluid formulations must be achieved in order to minimize the addition of tank side antifoams.
RECOMMENDATIONS - TOP SELLERS AND FREQUENTLY EMPLOYED PRODUCTS
TEGO® Antifoam 691 & TEGO® Antifoam 692 - Highly efficient pre-defoamers based on OMS of brand new structure, which provide excellent foam knock down and hold down as well as outstanding long-lasting defoaming persistence
TEGO® Antifoam 793 - As pre-defoamer highly compatible with MWF concentrates. Applied as tank side additive it provides outstanding foam knock down and long-lasting defoaming persistence
SURFYNOL® DF-110-L - Applicable for pre and post-defoaming with a long lasting effect. Completely silicon / siloxane free defoamer
Product listing in alphabetical order
- AIRASE® 4500 Defoamer
Organic oil defoamer
- AIRASE® 5100 Defoamer
Strongest defoamer of the structured siloxane defomaer line (SSDL).
- SURFYNOL® 104H
Its hydrophobic nature can result in significantly reduced water sensitivity.
- SURFYNOL® DF110D
Foam prevention or foam elimination is necessary without causing surface defects.
- SURFYNOL® DF110L
Long-lasting, defect-free foam control, effective against microfoam.
- SURFYNOL® DF178
Strong defoaming and microfoam control and is particularly effective in spray applications.
- SURFYNOL® DF58
Water-based treatment formulations where strong, rapid defoaming is required.
- SURFYNOL® PC
Foam control and pigment shock reduction in paper coating formulations.
- TEGOPREN® 5801
- TEGOPREN® 5803
- TEGOPREN® 5831
Defoamer for lubricating oils and neat metalworking fluids that are based on ester oils and polyalkylene glycols. Improves water separation capacity in neat oil systems.
- TEGO® Antifoam 14
Pre defoamer for semi synthetic fluids and soluble oils.
- TEGO® Antifoam 1488
Used as antifoam in a broad range of aqueous based Systems.
- TEGO® Antifoam 2080
Antifoam for use in mineral oil based neat metalworking fluids.
- TEGO® Antifoam 2290
Self-emulsifying APEO-free organic antifoam concentrate.
- TEGO® Antifoam 2291
Self-emulsifying APEO-free organic antifoam concentrate.
- TEGO® Antifoam 3062
- TEGO® Antifoam 691
Pre-defoamer for a wide range of emulsifiable metalworking fluids.
- TEGO® Antifoam 692
Pre-defoamer for a wide range of emulsifiable metalworking fluids.
- TEGO® Antifoam 793
Wide range of different application. Cften formulated into concentrates to produce low foaming fluids.
- TEGO® Antifoam AS 10
- TEGO® Antifoam KS 911
Complies with the FDA regulation 21 CFR 176.210.
- TEGO® Antifoam MR 1015
Combines excellent efficiency with maximum compatibility at the same time.
- TEGO® Antifoam MR 2100
Description
- TEGO® Antifoam MR 2124
Used for semi-synthetic fluids and soluble oils.
- TEGO® Antifoam MR 2132
Deaerator for water-mixed and full synthetic fluids MWFs.
- TEGO® IS 9520
Deaerator for water-mixed MWFs.
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The foam
control agents of Evonik are designed to avoid the formation of foam and ensure optimal product performance. Based on more than 50 years of experience in defoaming technology and in the production of organomodified siloxanes, our defoamers
set the benchmark for performance in terms of efficiency, compatibility and durability.

Overview about our product portfolio of antifoams, emulsifiers, wetting agents and corrosion inhibitors for metalworking and industrial fluids.