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FLOWEASE W-3499 is a highly efficient silicone-based wetting and levelling additive developed for aqueous coating systems, adhesives, and maintenance formulations. Based on a polyether-modified siloxane chemistry, it delivers a significant reduction in surface tension, enabling excellent substrate wetting, flow, and levelling on a wide variety of difficult surfaces.
Unlike many silicone surfactants, FLOWEASE W-3499 is engineered to improve wetting and levelling without increasing surface slip and without impairing recoatability. It is particularly suitable for water-borne systems without organic co-solvents, making it ideal for modern low-VOC and environmentally conscious formulations.
Zeolite Silver Antimicrobial Powder/ Ag-Zeolite Powder
1318-02-1
215-283-8
3824.99.00
not classified as dangerous goods
2.1–2.3 g/cm³
4–5
0.1%
FLOWEASE W-3499 is suitable for a broad range of water-based coating technologies:
Architectural coatings
Automotive coatings
Wood and furniture coatings
Industrial and protective coatings
Can and coil coatings
Baking systems and hybrid aqueous systems
It is especially effective in styrene-acrylic, pure acrylic, acrylic/PU blends, and polyurethane dispersions.
In aqueous adhesive formulations, FLOWEASE W-3499 improves wetting of critical substrates, supporting uniform spread and better surface contact without increasing slip or compromising bonding performance.
Typical uses include:
Water-based construction adhesives
Industrial and specialty aqueous adhesive systems
FLOWEASE W-3499 is also suitable for aqueous maintenance products, where clean wetting and levelling are required without surface slickness.
Typical uses include:
Plasticizer-free floor care products
Wax-free or wax-based cleaning formulations
Maintenance and surface care liquids
| Parameter | Unit | Specification / Typical Value |
|---|---|---|
| Product Name | — | FLOWEASE™ 3499 |
| Product Type | — | Silicone-free surface additive / leveling additive (solvent-borne) |
| Chemical Nature | — | Polydicarboxylic acid ester (silicone-free polymeric type) |
| Active Content | % (w/w) | 100 |
| Physical Form | — | Clear to slightly hazy liquid |
| Color | — | Colorless to pale yellow (typical) |
| Density (20°C) | g/ml | ~1.07 |
| Ionic Character | — | Nonionic |
| Primary Function | — | Improves flow and leveling; moderate reduction in surface tension |
| Secondary Benefits | — | Improves substrate wetting; supports anti-crater / defect reduction |
| Defoaming Tendency | — | No foam-stabilizing effect; may show defoaming at higher dosage levels |
| Recommended Systems | — | Solvent-borne 1K, 2K and baking coatings |
| Recommended Dosage (as supplied) | % on total formulation | 0.05 – 1.0 |
| Addition Method | — | Can be added at any stage (grind or let-down); post-addition possible |
Significantly lowers surface tension to improve wetting on difficult or low-energy substrates.
Produces smoother, more uniform films with reduced defects such as craters or poor lay-down.
Maintains controlled surface feel—important for coatings requiring grip or overcoatability.
Only marginally stabilizes foam, reducing the need for additional defoaming.
Does not impair intercoat adhesion or subsequent coating layers.
Performs best in purely aqueous formulations designed for low-VOC compliance.
Optimal dosage depends on formulation, substrate, and performance target. Laboratory trials are recommended.
0.05 – 0.5% (as supplied) on total formulation
0.05 – 0.5% on total formulation
0.05 – 0.5% on total formulation
Use standard PPE such as gloves, goggles, and adequate ventilation. Refer to the SDS for complete safety and regulatory guidance.