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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution for superior flow, leveling, and gloss development in high-performance coatings.
Low volatile organic compound (VOC) content, supporting compliance with stringent environmental regulations.
Excellent compatibility with common solvent-based resin systems and pigment dispersions.
Consistent batch-to-batch reproducibility ensured by Allnex’s rigorous quality control standards.
Automotive OEM clearcoats and basecoats requiring high durability and UV resistance.
Industrial maintenance coatings for metal substrates exposed to harsh environments.
High-gloss decorative finishes for appliances and architectural metal components.
Refinish coatings demanding fast cure response and exceptional film hardness.
General-purpose thermosetting coil coatings for pre-painted steel and aluminum.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow liquid |
| Solvent System | Aromatic-free (typically xylene/PGMEA blend) |
| 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 ISO 2533) | 1,200–1,800 |
Q1: What is the primary function of SETALUX D A 960 SN in coating formulations?
A: SETALUX D A 960 SN serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, enhances crosslink density, and supports performance attributes such as hardness, chemical resistance, and gloss retention.
Q2: Is this resin suitable for high-solids or low-VOC applications?
A: Yes, SETALUX D A 960 SN is formulated to support modern regulatory and sustainability goals. Its molecular design enables good solution viscosity at elevated solids content, making it well-suited for high-solids 2K PU coatings and compatible with VOC-reduction strategies when paired with appropriate solvents and co-resins.
Q3: How does SETALUX D A 960 SN differ from other hydroxyl acrylic resins in the SETALUX portfolio?
A: Compared to other grades in the SETALUX D series, D A 960 SN offers a balanced combination of hydroxyl value, molecular weight, and solubility profile—optimized for fast-drying industrial maintenance and general-purpose protective coatings. Its architecture provides improved compatibility with aromatic and aliphatic isocyanates while maintaining robust storage stability in mixed 2K systems.
Q4: What solvents are recommended for diluting SETALUX D A 960 SN?
A: The resin is fully soluble in common organic solvents used in industrial coatings, including aromatic hydrocarbons (e.g., xylene, Solvesso™ types), ketones (e.g., MEK, MIBK), and esters (e.g., butyl acetate). Compatibility with bio-based or low-odor alternatives should be verified experimentally, as formulation-specific interactions may occur.
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