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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Outstanding weatherability and UV resistance, suitable for demanding exterior coatings.
Good compatibility with common solvent-based resins and additives used in industrial coating systems.
Low viscosity profile enabling high-solids formulation without sacrificing flow or leveling.
Consistent batch-to-batch reproducibility supported by Allnex’s stringent quality control standards.
Automotive OEM topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring durability and gloss retention.
High-performance appliance finishes.
Refinish coatings for automotive and heavy-duty equipment.
| Chemical Type | Hydroxyl-functional acrylic resin |
| Product Form | Liquid, solvent-based |
| Appearance | Clear, colorless to pale yellow liquid |
| Primary Applications | OEM and refinish automotive coatings, industrial maintenance coatings |
| Key Features | High OH value, excellent weather resistance, good compatibility |
| Benefits | Enables high-gloss, durable films with superior chemical and abrasion resistance |
| Solvent System | Aromatic hydrocarbon-based (e.g., xylene, Solvesso™) |
| Storage Stability | Stable for ≥12 months at 20–25 °C in sealed containers |
Q1: What is the primary function of SETALUX 27-1026 in coating formulations?
A: SETALUX 27-1026 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 and chemical resistance, and supports excellent gloss and clarity in high-performance topcoats.
Q2: Which crosslinkers are commonly compatible with this resin?
A: SETALUX 27-1026 is formulated for compatibility with standard aliphatic isocyanate crosslinkers, including HDI-based trimer and biuret types. It may also be used with certain melamine-formaldehyde resins in thermosetting applications, subject to compatibility testing and catalyst selection.
Q3: How does this resin perform in terms of weathering and UV stability?
A: As an aliphatic acrylic resin with low aromatic content, SETALUX 27-1026 offers inherently good UV resistance and long-term gloss retention. It is well-suited for exterior architectural and automotive refinish coatings where durability under sunlight exposure is critical.
Q4: Is SETALUX 27-1026 suitable for low-VOC or high-solids formulations?
A: Yes — its molecular design supports formulation flexibility, enabling use in medium-to-high solids 2K PU systems. When combined with appropriate solvents and crosslinkers, it helps meet evolving regulatory requirements for reduced VOC emissions without compromising application properties or final film performance.
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