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Medium-oil alkyd resin based on phthalic anhydride and soybean oil fatty acids.
Designed for excellent gloss retention and long-term durability in ambient-cure coatings.
Offers balanced drying speed — fast initial set with good through-dry performance.
Compatible with common solvents, nitrocellulose, vinyl resins, and melamine-formaldehyde crosslinkers.
Delivers superior flexibility and adhesion on metal and wood substrates.
General-purpose industrial maintenance coatings.
Decorative wood finishes for furniture and interior joinery.
Coatings for agricultural and construction equipment.
Undercoat and primer systems for metal protection.
Refinish coatings for automotive aftermarket applications.
| Chemical Type | Medium-oil modified alkyd resin |
| Product Form | Liquid |
| Appearance | Clear to slightly hazy amber liquid |
| Solvent | Xylene / aromatic hydrocarbon blend |
| Solid Content (wt%) | ~60% |
| Acid Value (mg KOH/g) | 6–10 |
| Viscosity (25°C, mPa·s) | 800–1,200 |
| Specific Gravity (25°C) | 0.98–1.02 |
Q1: What is the primary function of SETAL FS20/60 in alkyd-based coatings?
A: SETAL FS20/60 is a fast-drying, medium-oil alkyd resin designed to enhance film formation, improve through-dry performance, and support excellent gloss retention and surface hardness in air-drying decorative and protective coatings.
Q2: Can SETAL FS20/60 be used in water-reducible alkyd systems?
A: Yes — SETAL FS20/60 is formulated for compatibility with water-reducible alkyd technologies and can be effectively incorporated into emulsified or pseudo-solution systems, typically requiring appropriate surfactant stabilization and pH adjustment during formulation.
Q3: How does SETAL FS20/60 compare to conventional long-oil alkyds in terms of drying behavior?
A: Compared to long-oil alkyds, SETAL FS20/60 offers significantly faster surface dry and improved through-dry due to its optimized fatty acid composition and molecular architecture, making it suitable for applications where rapid handling or recoating is required.
Q4: Is SETAL FS20/60 compatible with common co-resins such as melamine formaldehyde or acrylics?
A: Yes — SETAL FS20/60 demonstrates good compatibility with amino resins (e.g., melamine-formaldehyde) for stoving finishes and can be blended with solution acrylics to modify flexibility, durability, and drying profile in hybrid systems.
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E-mail: wangxingqiang@ericwchem.com
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