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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution delivering superior film formation and gloss retention.
Low volatile organic compound (VOC) content, supporting compliant high-solids coating formulations.
Excellent compatibility with common acrylic and polyester resins, enhancing formulation flexibility.
Good alkali resistance and weatherability, suitable for demanding industrial and automotive topcoats.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring durability and appearance.
High-performance plastic coatings for exterior automotive parts.
Powder coating hybrid systems leveraging hydroxyl reactivity.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear to slightly hazy, pale yellow liquid |
| Non-Volatile Content (wt%) | 55.0 ± 1.0 % |
| Hydroxyl Value (mg KOH/g) | 85 – 95 |
| Solvent System | Xylene / Butyl acetate blend |
| Viscosity (25°C, mPa·s) | 3,000 – 5,000 (Brookfield RV, spindle #3, 20 rpm) |
| Acid Value (mg KOH/g) | < 5 |
Q1: What is the primary function of SETALUX 17-1190 in coating formulations?
A: SETALUX 17-1190 is a hydroxyl-functional acrylic resin designed to serve as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, crosslink density, and enhances mechanical properties such as hardness, flexibility, and chemical resistance.
Q2: Which curing agents are compatible with this resin?
A: SETALUX 17-1190 is formulated for use with aliphatic and aromatic isocyanate crosslinkers, including HDI-based polyisocyanates (e.g., biuret and isocyanurate types) and IPDI derivatives. Compatibility should be confirmed through small-scale formulation trials and pot life assessment under intended processing conditions.
Q3: Can SETALUX 17-1190 be used in high-solids or low-VOC coatings?
A: Yes — its molecular design supports formulation of medium-to-high solids coatings. It can be integrated into low-VOC systems when paired with appropriate solvents or reactive diluents, though final VOC content depends on the full formulation and regulatory definitions applicable in the target market.
Q4: How does SETALUX 17-1190 perform in outdoor applications?
A: As an acrylic-based hydroxyl resin, it offers inherent UV stability and weather resistance, making it suitable for exterior architectural and industrial maintenance coatings. Long-term performance depends on proper crosslinking, pigment selection, and overall system design.
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