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High hydroxyl functionality for excellent crosslink density with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution for balanced flow, leveling, and film hardness development.
Low volatile organic compound (VOC) content, supporting compliance with stringent environmental regulations.
Good compatibility with common solvent-based acrylic and polyester resins in hybrid coating systems.
Enhanced weather resistance and gloss retention in exterior durable coatings.
Automotive OEM topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring high durability and flexibility.
Powder coating base resins when blended with appropriate crosslinkers.
High-performance appliance finishes demanding scratch resistance and color stability.
| Chemical Type | Hydroxyl-functional acrylic resin |
| Product Form | Liquid solution |
| Appearance | Clear to slightly hazy amber liquid |
| Solvent System | Aromatic hydrocarbons / ester blend |
| Hydroxyl Value (mg KOH/g) | 120–135 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (% w/w) | 55–60 |
| Viscosity (mPa·s, 25°C, DIN ISO 2533) | 800–1200 |
Q1: What is the primary function of SETALUX D A 760 BA X in coating formulations?
A: SETALUX D A 760 BA X 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 hardness, chemical resistance, and gloss retention after curing.
Q2: Is this resin suitable for high-solids or low-VOC applications?
A: Yes — SETALUX D A 760 BA X is formulated to support medium-to-high solids coating systems and is commonly used in solventborne industrial finishes where VOC reduction is a key objective. Its molecular architecture balances viscosity control with reactivity, enabling formulators to reduce solvent demand without compromising application performance.
Q3: Which types of isocyanate crosslinkers are typically compatible with this resin?
A: SETALUX D A 760 BA X shows good compatibility with common aliphatic isocyanate crosslinkers, including hexamethylene diisocyanate (HDI) trimer and biuret types. Compatibility and pot life depend on catalyst selection, NCO:OH ratio, and ambient conditions — formulation optimization is recommended for each specific system.
Q4: Can this resin be used in automotive refinish or OEM applications?
A: While not specifically certified for OEM primers or clearcoats, SETALUX D A 760 BA X is widely employed in demanding refinish and specialty industrial topcoat applications where high appearance, durability, and recoatability are required. End-use qualification must be conducted by the formulator per intended performance specifications.
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