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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Low VOC formulation compliant with stringent environmental regulations including EU Directive 2004/42/EC.
Superior gloss retention and long-term weather resistance in outdoor coating applications.
Excellent compatibility with common solvent-based acrylic and polyester resins.
Good flow and leveling characteristics for high-appearance OEM and refinish coatings.
OEM automotive topcoats (basecoat/clearcoat systems).
Automotive refinish clearcoats and solid color basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring UV stability and chemical resistance.
High-performance plastic coatings for automotive interior and exterior trim.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow liquid |
| Solvent System | Xylene / butyl acetate blend |
| Hydroxyl Value (mg KOH/g) | 75–85 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (% w/w) | 55–60 |
| Viscosity (DIN 4, 23°C, mPa·s) | 1,800–2,500 |
Q1: What is the primary function of SETALUX D A XP 2588 in coating formulations?
A: SETALUX D A XP 2588 is a hydroxyl-functional acrylic resin designed to serve as a reactive binder in two-component polyurethane (2K PU) and other crosslinking systems. It contributes to film formation, enhances hardness development, improves chemical resistance, and supports excellent gloss and clarity in high-performance topcoats.
Q2: Is SETALUX D A XP 2588 compatible with common isocyanate crosslinkers?
A: Yes — it is specifically formulated for compatibility with aliphatic isocyanate crosslinkers such as HDI-based trimers and biuretes. Its hydroxyl functionality ensures efficient reaction kinetics and stable formulation behavior under typical ambient and forced-dry curing conditions.
Q3: How does this resin perform in terms of weathering and UV stability?
A: As an aliphatic acrylic resin with low aromatic content, SETALUX D A XP 2588 delivers strong inherent UV resistance and long-term gloss retention. It is well-suited for exterior applications where resistance to chalking, yellowing, and gloss loss is critical.
Q4: Can SETALUX D A XP 2588 be blended with other resins or polymers?
A: Yes — it exhibits good miscibility with other hydroxyl-functional acrylics, polyester polyols, and select cellulose derivatives. Compatibility testing is recommended when blending with non-acrylic resins or high-Tg polymers to ensure phase stability and optimal film properties.
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