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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Silair® C400

Technical Datasheet | Supplied by Siliconi
Silair® C400 by Siliconi is a non-ionic, APEO-free defoamer and anti-foaming agent. It is a VOC-free grade and is based on organo-modified siloxanes.
  • Suitable for styrene-acrylic base, pure acrylic, PU, PU-acrylic and PvAc.
  • Recommended for water-based paints for wood such as parquet, furniture and industrial paints.
  • Designed for both glossy, semi-glossy, decorative paint, varnishes, flexo, offset, overprinting inks and floor coatings.
  • It is also a good deaerator and is effective at low dosages.
  • The suggested dosage is from 0.1-0.5% on weight of paint.
  • Silair® C400 has a shelf life of at least 12 months.
Silair® C400
Technical Datasheet | Supplied by Siliconi
Product Type
Defoamers / Anti-foaming Agents > Silicone-based
Chemical Composition
Organo-modified siloxane
Physical Form
Yellow, Pale
Product Status
Applications/ Recommended for
  • Coatings > Waterborne
  • Resins > Styrenes
  • Resins > Acrylics & Acrylic Copolymers
  • Resins > Polyurethanes (PU)
  • Inks > Flexographic inks
  • Inks > Lithographic and Offset Inks
  • Inks > Varnishes / Over print varnish
  • Coatings Markets > Flooring
  • Coatings Markets > Wood & Furniture Coatings > Parquet lacquers
  • Coatings Markets > Wood & Furniture Coatings > Furniture/ interior decoration
  • Coatings Markets > General Industrial /Maintenance

Silair® C400 Properties


Value & Unit
Test Condition
Test Method
0.92 g/cm3
20 mPa-s
(At 25°C)
(5% Solution)
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