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High hydroxyl functionality for robust crosslinking with melamine and polyisocyanate curing agents.
Excellent compatibility with common solvent-based coating systems including polyester, alkyd, and other acrylic resins.
Provides outstanding gloss retention, hardness development, and weather resistance in cured films.
Low viscosity enables high-solids formulation without sacrificing flow or leveling performance.
Consistent batch-to-batch reproducibility supporting stringent quality control in industrial production.
Automotive OEM clearcoats and basecoats requiring high durability and UV stability.
Industrial maintenance coatings for metal substrates exposed to harsh environmental conditions.
General-purpose coil coatings where excellent adhesion and flexibility are critical.
High-performance wood finishes demanding clarity, scratch resistance, and chemical resistance.
Powder coating hybrid systems leveraging hydroxyl reactivity for improved film formation.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in organic solvent (xylene/ester blend) |
| Appearance | Clear, pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 60–68 |
| Acid Value (mg KOH/g) | < 5 |
| Solids Content (% w/w) | 60 ± 1 |
| Viscosity (mPa·s, 25°C, DIN 4) | 1,800–2,500 |
| Density (g/cm³, 25°C) | 0.98–1.02 |
Q1: What is the primary function of SETALUX 1265 XS-60 in coating formulations?
A: SETALUX 1265 XS-60 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane (2K PU) systems. It contributes to film formation, enhances crosslink density, and supports key performance attributes such as hardness development, chemical resistance, and gloss retention.
Q2: Is SETALUX 1265 XS-60 compatible with common isocyanate hardeners?
A: Yes, this resin is formulated for compatibility with standard aliphatic isocyanate crosslinkers, including HDI-based trimer and biuret types. Compatibility and pot life should be verified experimentally within the final formulation, as reactivity may vary depending on catalysts, solvents, and ambient conditions.
Q3: How does SETALUX 1265 XS-60 contribute to low-VOC performance?
A: As a medium-solids hydroxyl acrylic resin, it enables formulators to achieve target viscosity and application properties with reduced solvent demand compared to high-solids alternatives. Its design supports compliance with VOC regulations when integrated into compliant 2K PU systems, though final VOC content depends on the full formulation matrix.
Q4: Can SETALUX 1265 XS-60 be used in both industrial maintenance and decorative coatings?
A: Yes — its balanced profile makes it suitable for a range of demanding applications, including protective industrial maintenance coatings (e.g., machinery, metal furniture) and high-performance decorative finishes (e.g., architectural metal cladding, premium wood coatings), where durability and aesthetic consistency are critical.
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