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Medium-oil-length alkyd resin based on phthalic anhydride and glycerol for balanced drying and flexibility.
Excellent compatibility with nitrocellulose, acrylics, and other common coating resins.
Good gloss retention and film clarity in clear and pigmented finishes.
Optimized for ambient-cure air-drying systems with reliable through-dry performance.
Low volatile organic content (VOC) formulation supports regulatory-compliant coatings.
General-purpose decorative wood varnishes and lacquers.
Industrial maintenance coatings for metal substrates.
Printing ink vehicles for flexible packaging and label applications.
Refinish coatings in automotive and furniture repair segments.
Overprint varnishes requiring good rub resistance and substrate adhesion.
| Chemical Type | Phthalic–glycerol medium-oil alkyd resin |
| Product Form | Liquid solution in aromatic hydrocarbons (e.g., xylene) |
| Appearance | Clear, pale yellow to amber liquid |
| Non-Volatile Content (NV%) | 50–52% (by weight, 1 hr @ 125 °C) |
| Viscosity (25 °C) | 40–60 Pa·s (Brookfield RVT, spindle #4, 20 rpm) |
| Acid Value | 6–9 mg KOH/g |
| Density (20 °C) | 0.97–0.99 g/cm³ |
| Primary Applications | Clear and pigmented air-drying coatings, overprint varnishes, industrial maintenance finishes |
Q1: What is the primary application area for SETAL 282?
A: SETAL 282 is a medium-oil alkyd resin specifically designed for high-performance decorative and protective coatings, including interior and exterior architectural paints, wood finishes, and general industrial maintenance coatings where balanced drying, gloss retention, and substrate adhesion are required.
Q2: Is SETAL 282 suitable for water-reducible formulations?
A: Yes — SETAL 282 is formulated to be readily dispersible in water-reducible systems when combined with appropriate neutralizing agents and co-solvents. It provides good stability and film formation without requiring extensive modification or high levels of surfactants.
Q3: How does SETAL 282 perform in terms of yellowing resistance?
A: As a cobalt-free, low-phenolic alkyd resin, SETAL 282 offers improved resistance to yellowing compared to traditional high-phenol or metal-drier-dependent alkyds — particularly in interior applications and under ambient curing conditions.
Q4: Can SETAL 282 be used in combination with acrylic emulsions?
A: Yes — SETAL 282 is compatible with a broad range of acrylic and vinyl acetate-based emulsions, enabling hybrid systems that leverage the hardness and chemical resistance of alkyds alongside the fast initial dry and low-VOC profile of acrylics.
Q5: What type of driers are recommended for optimal cure performance with SETAL 282?
A: SETAL 282 responds well to standard transition metal driers such as zirconium, calcium, and potassium, often used in combination. Cobalt-free drier packages are preferred to maintain its non-yellowing characteristics, and dosage depends on formulation requirements and desired through-dry profile.
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E-mail: wangxingqiang@ericwchem.com
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