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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Low viscosity enables high-solids formulation without excessive solvent demand, supporting VOC-compliant coatings.
Superior weather resistance and UV stability, ideal for long-term outdoor performance in demanding environments.
Excellent compatibility with common acrylic, polyester, and cellulose ester resins for broad formulation flexibility.
Consistent batch-to-batch reproducibility backed by Allnex’s stringent quality control and global manufacturing standards.
Automotive OEM topcoats and clearcoats requiring high gloss, hardness, and durability.
Industrial maintenance coatings for metal substrates exposed to harsh environmental conditions.
General-purpose coil coatings for pre-painted steel and aluminum applications.
High-performance architectural coatings including façade and cladding systems.
Refinish coatings for automotive and heavy-duty equipment repair markets.
| Chemical Type | Hydroxyl-functional acrylic resin |
| Product Form | Liquid solution in aromatic hydrocarbons and ketones |
| Appearance | Clear, pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 130–145 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (% w/w) | 55–59 |
| Viscosity (mPa·s, 25°C, DIN ISO 2535) | 800–1,200 |
| Solvent Composition | Xylene, butyl acetate, methyl isobutyl ketone (MIBK) |
Q1: What is the primary function of SETALUX D A 575 X in coating formulations?
A: SETALUX D A 575 X serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based systems. It contributes to film formation, flexibility, gloss retention, and chemical resistance while enabling crosslinking with isocyanate curing agents.
Q2: Is this resin suitable for high-solids or low-VOC coating applications?
A: Yes — SETALUX D A 575 X is formulated to support high-solids systems due to its relatively low viscosity and favorable solution behavior in common organic solvents. It enables formulators to reduce solvent content without compromising application properties or final film performance.
Q3: How does SETALUX D A 575 X compare to other hydroxyl acrylic resins in terms of weatherability and UV stability?
A: As a purely acrylic backbone resin, it offers inherently good UV resistance and long-term gloss and color retention compared to alkyd- or styrenated-acrylic alternatives. Its non-yellowing character makes it well-suited for exterior architectural and industrial maintenance coatings where durability under sunlight exposure is critical.
Q4: Can SETALUX D A 575 X be blended with other resins, such as melamine or epoxy-functional types?
A: It is compatible with many common crosslinkers and co-resins when properly evaluated for compatibility and cure response. Blending with melamine-formaldehyde resins is possible in specific acid-catalyzed baking systems, though reactivity balance and storage stability must be assessed case by case. Compatibility testing is recommended before full-scale implementation.
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