Tego® Antifoam 2-57

Technical Documents

Emulsion based on organo-modified siloxanes. Used as antifoam in water-based adhesives.

Details

Product Type

Additive > Surfactants
Additive > Defoamers / Anti foaming agents > Silicone based

Applications

Adhesives > Waterbase

Producer

Evonik

Supplier

Evonik Iran

Chemical Composition

Organo-modified siloxane

Advantages
  • Provides reliable foam control and long-term efficiency in aqueous media, particularly in polymer dispersions and emulsions
  • excellent compatibility as pre-defoamer in various polymer dispersion applications (including PSA)
  • no negative effects in downstream applications(no surface defects, fish eyes etc.)
  • easy incorporation into concrete plasticizers and excellent storage stability (no separation)
  • improvement of concrete flowability
  • good compatibility with rubber hoses/ gaskets
Other Applications

Adhesives > Water-based
during processing and application of polymer dispersions
in concrete plasticizers based on , naphthalene sulfonate and melamine sulfonate
in processing and application of pressure sensitive adhesives

Storage

TEGO® Antifoam 2-57 may be stored in closed containers for at least 6 months. The product has to be stored under frost-free conditions; storage temperature should not exceed 35 °C.

Handling

Use level: 0.05-0.5 %.

Technical data

Quantity Value Unit Comment
Appearance Properties
Appearance White
Physical state emulsion
Physical Properties
pH 8 25°C
Density 1.0 g/ml DIN 51757;20°C
Chemical Properties
Shelf Life >6 month
Active content 20 %