The material selection platform
Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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Technical Datasheet | Supplied by Stepan
STEPCOTE™ W-843 by Stepan is a VOC- (7%) and APE-free, effective wetting agent for water-based coatings. It significantly improves gloss and hiding properties. STEPCOTE™ W-843 enhances color acceptance and high temperature block resistance. It can be incorporated during the letdown phase of production or post added to the final formulation. It is designed for industrial coatings.
Product Type
Wetting Agents / Wet Edge Enhancers > Surfactants
Chemical Composition
Alcohol phosphate
Physical Form
Clear, Colorless to light yellow
Product Status
Geographical Availability
Africa, Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe
Applications/ Recommended for
  • Coatings > Waterborne
  • Coatings Markets > General Industrial /Maintenance
Labels/Agency Rating
AICS (Australia), DSL (Canada), TSCA (USA), IECSC (China), ENCS (Japan), ECL (Korea), NZIoC (New Zealand), PICCS (Philippines), TSCI (Taiwan), REACH

STEPCOTE™ W-843 Properties


Value & Unit
Test Condition
Test Method
Active Content
100 %
0.99 g/ml
(At 20°C)
Flash Point
71 °C
(Pensky-Martens Closed-Cup)

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