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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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BRB Siloen® WA 263

BRB Siloen® WA 263 by BRB International BV is a surfactant and substrate wetting agent. It is silicone polyether copolymer solution for aqueous coatings with excellent leveling properties. It reduces surface tension to 22.3 mN/m at 0.1% in water. Used in industrial-, wood-, furniture-, architectural- & decorative- coatings, printing inks and varnishes at a dosage level of 0.2-2.0 %. Also applicable in inkjet inks, leather pre-primers, primers and top coats based on PU, acrylic nitrocellulose and casein binders at 0.2-2.0 % concentration. BRB Siloen® WA 263 is recommended at a dosage level of 0.1-2 % in automotive coatings.
BRB Siloen® WA 263
Product Type
  • Wetting Agents / Wet Edge Enhancers > Surfactants
  • Wetting Agents / Wet Edge Enhancers > Silicones
Chemical Composition
Silicone Polyether Copolymer
Physical Form
Pale Yellow
Product Status
Applications/ Recommended for
  • Coatings > Waterborne
  • Inks
  • Resins > Natural Resins > Cellulosic Resins
  • Resins > Polyurethanes (PU)
  • Inks > Varnishes / Over print varnish
  • Inks > Digital inks (eg. Ink jet)
  • Coatings Markets > Automotive OEM
  • Coatings Markets > Other industries > Leather Coatings
  • Coatings Markets > Architectural / Decorative
  • Coatings Markets > Wood & Furniture Coatings > Furniture/ interior decoration

BRB Siloen® WA 263 Properties


Value & Unit
Test Condition
Test Method
Active Content
48 - 52 %
1.00 mm2/s
Flash Point
81 °C
(Closed Cup)
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