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-821 by Stepan is a VOC- (2%) and APE-free, effective wetting agent for waterborne coatings. It significantly improves gloss, color acceptance, hiding and wet scrub resistance. It can be incorporated during the letdown phase of production or post added to the final formulation. The typical usage level is 2-6 lbs/100 gallons based on active content. STEPCOTE™ W-821 is designed for industrial applications.
Product Type
Wetting Agents / Wet Edge Enhancers > Surfactants
Chemical Composition
Unneutralized alcohol phosphate, acid form
Physical Form
Clear, Pale 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), TCSI (Taiwan), REACH

STEPCOTE™ W-821 Properties


Value & Unit
Test Condition
Test Method
Active Content
100 %
0.98 g/ml
(At 25°C)
(At 1% Aqueous)

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