BYK-349 is a polyether-modified polysiloxane Wetting Agents designed for VOC-free aqueous coatings, inks, and adhesives. It dramatically reduces surface tension to enhance substrate wetting and flow without increasing surface slip or foam stabilization. Compatible with acrylic, PU, and styrene-acrylic systems, it maintains stability across pH 4-10 and is ideal for solvent-free formulations
Universal Wetting - Effective on diverse substrates including difficult-to-wet surfaces
Eco-Friendly - PFAS-free, complies with food contact regulations (FDA/EU)
Process Stability - No negative impact on recoatability or layer adhesion
Low Foaming - Minimal foam stabilization during application
Broad Compatibility - Works with acrylic, PU hybrids, and bake systems
Automotive Coatings - Waterborne basecoats requiring uniform wetting
Architectural Paints - Exterior coatings with enhanced flow and leveling
Wood Finishes - Acid-cured furniture coatings for low-gloss surfaces
Printing Inks - Flexographic inks for packaging films
Adhesives - Water-based formulations needing critical substrate wetting
Chemical Base | Polyether-modified polysiloxane |
Active Content | 100% |
pH Stability | 4-10 |
Density (20°C) | 1.04 g/ml |
Flash Point | >100°C |
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