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High hydroxyl functionality for excellent crosslink density with standard polyisocyanates.
Low viscosity enables high-solids formulation with improved application performance and reduced VOC emissions.
Outstanding UV stability and gloss retention in exterior coating systems.
Good compatibility with common acrylics, alkyds, and polyester resins for hybrid binder systems.
Consistent batch-to-batch reproducibility supporting robust industrial manufacturing processes.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring weather resistance.
High-performance architectural coatings for façades and cladding.
Powder coating hybrids where liquid acrylic functionality enhances flow and cure response.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in aromatic solvent blend |
| Appearance | Clear, pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (% w/w) | 55–60 |
| Viscosity (mPa·s, 25°C, DIN 4) | 800–1,200 |
| Primary Applications | Two-component polyurethane coatings |
Q1: What is the primary function of SETALUX 17-1015 in coating formulations?
A: SETALUX 17-1015 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: Is SETALUX 17-1015 compatible with common isocyanate crosslinkers?
A: Yes, it is formulated for compatibility with standard aliphatic and aromatic polyisocyanates, including HDI-based trimer and biuret types. Optimal performance is achieved when matched with isocyanates offering appropriate reactivity and steric profile for the intended cure schedule and application method.
Q3: How does SETALUX 17-1015 perform in high-gloss, weather-resistant topcoats?
A: As a high-purity, low-color hydroxyl acrylic resin, it supports excellent clarity, gloss retention, and long-term UV stability—making it well-suited for premium automotive refinish, industrial maintenance, and architectural topcoats where durability and aesthetic consistency are critical.
Q4: Can SETALUX 17-1015 be used in solvent-borne and high-solids systems?
A: Yes—it is supplied in organic solvents and designed for use in both conventional solvent-borne and high-solids coating formulations. Its molecular architecture enables good viscosity control and flow characteristics without excessive solvent demand, supporting efficient formulation design.
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