High hydroxyl functionality for excellent crosslink density with multifunctional isocyanates.
Optimized molecular weight distribution for superior flow, leveling, and gloss development.
Low viscosity in common organic solvents enabling high-solids formulation flexibility.
Excellent compatibility with polyester, alkyd, and other acrylic resins in hybrid coating systems.
Consistent batch-to-batch reproducibility supporting stringent automotive and industrial OEM requirements.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring durability and weather resistance.
High-performance appliance finishes.
Refinish clearcoats for automotive and heavy-duty equipment.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, colorless to pale yellow liquid |
| Solvent System | Xylene / butyl acetate blend |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Non-Volatile Content (% w/w) | 55–60 |
| Viscosity (mPa·s, 25°C, #2 spindle, Brookfield) | 3,000–5,000 |
| Acid Value (mg KOH/g) | < 5 |
Q1: What is the primary function of SETALUX 17-1746 in coating formulations?
A: SETALUX 17-1746 is a hydroxyl-functional acrylic resin designed primarily as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, crosslink density, hardness development, and chemical resistance upon curing with isocyanate hardeners.
Q2: Which types of coatings commonly utilize this resin?
A: This resin is widely used in high-performance industrial maintenance coatings, automotive refinish topcoats, plastic coatings, and premium architectural finishes where excellent gloss retention, UV stability, and mechanical durability are required.
Q3: How should SETALUX 17-1746 be stored and handled to maintain stability?
A: Store in tightly sealed containers in a cool, dry, and well-ventilated area away from direct sunlight and heat sources. Avoid prolonged exposure to moisture or strong oxidizing agents. Under recommended conditions, the product maintains shelf stability for up to 12 months from date of manufacture.
Q4: Is SETALUX 17-1746 compatible with common solvent systems and additives?
A: Yes — it demonstrates good compatibility with typical aromatic and aliphatic solvents (e.g., xylene, butyl acetate, and slow-evaporating esters), as well as conventional flow agents, defoamers, and light stabilizers. Compatibility testing under actual formulation conditions is always recommended prior to full-scale use.
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