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High hydroxyl functionality for efficient crosslinking with melamine and polyisocyanate curing agents.
Excellent compatibility with common solventborne and high-solids coating systems.
Provides outstanding gloss retention, color stability, and UV resistance in topcoat applications.
Delivers balanced flow, leveling, and film hardness for premium automotive and industrial finishes.
Designed for low-viscosity formulations, enabling high-solids content without sacrificing application performance.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose high-performance coil coatings.
Refinish coatings requiring excellent durability and appearance.
Plastic coatings for exterior automotive components.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow liquid |
| Solvent System | Aromatic and aliphatic hydrocarbons (e.g., xylene, Solvesso™) |
| Hydroxyl Value (mg KOH/g) | 80–86 |
| Non-Volatile Content (% w/w) | 55–60 |
| Viscosity (DIN4, 23°C, mPa·s) | 1,800–2,500 |
| Acid Value (mg KOH/g) | < 5 |
Q1: What is the primary function of SETALUX 1917 BA-80 in coating formulations?
A: SETALUX 1917 BA-80 is a hydroxyl-functional acrylic resin designed to serve as a reactive binder in two-component polyurethane and polyester-based systems. It contributes to film formation, hardness development, and chemical resistance while enabling good compatibility with common crosslinkers and solvents.
Q2: Which types of coatings commonly incorporate this resin?
A: This resin is frequently used in high-performance industrial maintenance coatings, automotive refinish topcoats, and general-purpose protective finishes where excellent gloss retention, UV stability, and substrate adhesion are required. It is especially valued in solvent-borne and high-solids formulations.
Q3: How does SETALUX 1917 BA-80 compare to other hydroxyl acrylic resins in terms of viscosity and solids content?
A: SETALUX 1917 BA-80 is formulated as a medium-viscosity solution with moderate solids content, offering balanced handling characteristics for both spray application and roller coating. Its viscosity profile supports good flow and leveling without requiring excessive thinning, distinguishing it from higher-solids or ultra-low-viscosity alternatives.
Q4: Is this resin compatible with standard isocyanate crosslinkers?
A: Yes — SETALUX 1917 BA-80 is specifically engineered for compatibility with aliphatic and aromatic isocyanate crosslinkers, including HDI-based and IPDI-based adducts and biuretes. It delivers consistent reactivity and cure performance across a range of ambient and forced-dry conditions.
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