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WorléeAdd® 781

Technical DataSheet | Supplied by Worlée

WorleeAdd® 781 by Worlee is a hydroxy functional polyester. It is a silicon-free leveling agent. Improves leveling, elasticity and adhesion. May reduce blistering in thick layer two-pack PU coatings. Adhesion and gloss are often increased at the same time. With higher dosage elasticity is positively influenced. Due to its high content of hydroxyl groups it may also fit in aqueous systems. The addition of W´Add 781 to two-pack-PU-systems enables the application of thick layers with reduced blistering. Used in solvent-based and solvent-free isocyanate- and amino resin cross linking coatings to improve leveling. Typical use level of WorleeAdd® 781 by Worlee is 0.1 - 2.0% on total formulation.

WorléeAdd® 781 Product details

Product Type
Chemical Composition
Physical Form
Clear, Medium-viscous
Product Status
Applications/ Recommended for
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WorléeAdd® 781 Properties


Value & Unit
Test Condition
Test Method
Active substance
xxx %
Hydroxyl content
xx %
Last edited Dec 18, 2017
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