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Medium-oil, phthalic-based alkyd resin offering balanced drying performance and film hardness.
Formulated for excellent compatibility with common solvents, acrylics, and melamine-formaldehyde crosslinkers.
Delivers good gloss retention and weather resistance in air-dry and stoving applications.
Low-viscosity liquid enabling high-solids formulations and improved application efficiency.
Complies with EU REACH and meets VOC regulatory limits for architectural and industrial coatings.
General-purpose industrial maintenance coatings for metal substrates.
Air-dry decorative enamels for furniture and cabinetry finishes.
Stoving primers and topcoats in appliance and automotive trim coatings.
High-performance wood varnishes requiring clarity and abrasion resistance.
Marine and offshore protective coatings where flexibility and adhesion are critical.
| Chemical Type | Phthalic-based medium-oil alkyd resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | Industrial maintenance coatings, decorative enamels, stoving finishes |
| Key Features | Good drying speed, hardness development, and solvent release |
| Benefits | Enables high-gloss, durable films with low VOC content |
| Solubility | Compatible with aromatic hydrocarbons, ketones, and esters |
| Storage Stability | 12 months at 20–25 °C in sealed original container |
Q1: What is the primary function of SETAL FS25/50 in alkyd-based coatings?
A: SETAL FS25/50 is a fast-drying, medium-oil-length alkyd resin designed to enhance through-dry performance, improve hardness development, and support good gloss retention in solventborne decorative and protective coatings.
Q2: Is SETAL FS25/50 compatible with common crosslinkers used in oxidative curing systems?
A: Yes — it is formulated for traditional air-drying applications and performs well in cobalt- or manganese-catalyzed oxidative cure systems. It is not intended for use with amino or polyisocyanate crosslinkers unless specifically reformulated and validated.
Q3: How does SETAL FS25/50 compare to conventional long-oil alkyds in terms of drying speed and film flexibility?
A: Compared to long-oil alkyds, SETAL FS25/50 offers significantly faster surface and through-dry times due to its optimized fatty acid profile and molecular architecture, while maintaining balanced flexibility and adhesion — making it suitable for applications where rapid handling is required without sacrificing durability.
Q4: Can SETAL FS25/50 be blended with other resins such as acrylics or vinyls?
A: It exhibits good compatibility with many common co-resins including styrenated alkyds and certain solution acrylics, though compatibility should always be confirmed via lab-scale testing prior to full-scale formulation — especially when targeting specific performance attributes like storage stability or film clarity.
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E-mail: wangxingqiang@ericwchem.com
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