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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Low VOC formulation compliant with stringent environmental regulations including EU Directive 2004/42/EC.
Superior weather resistance and UV stability for long-term gloss and color retention in exterior coatings.
Excellent compatibility with common solvent-based acrylics, alkyds, and polyester resins.
Optimized molecular weight distribution for balanced flow, leveling, and film formation.
Automotive refinish topcoats and clearcoats.
Industrial maintenance coatings for metal and plastic substrates.
General-purpose coil coatings requiring high durability and flexibility.
Architectural pre-finished metal (PPM) coatings.
High-performance wood coatings for interior and exterior applications.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow to amber liquid |
| Solvent System | Aromatic-free blend (primarily esters and ketones) |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Acid Value (mg KOH/g) | < 5 |
| Non-Volatile Content (%) | 55–60 |
| Viscosity (DIN 4, 23°C) | 12–18 s |
Q1: What is the primary function of SETALUX 91796 SS-69 in coating formulations?
A: SETALUX 91796 SS-69 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based crosslinking systems, contributing to film formation, hardness development, and chemical resistance.
Q2: Is this resin suitable for high-gloss, low-VOC industrial topcoats?
A: Yes — its low-viscosity liquid form and high solids content support formulation of high-performance, low-VOC coatings with excellent flow, leveling, and gloss retention, particularly in automotive refinish and general industrial applications.
Q3: Which crosslinkers are commonly used with SETALUX 91796 SS-69?
A: It is broadly compatible with aliphatic isocyanate crosslinkers (e.g., HDI-based polyisocyanates), and may also be formulated with melamine resins under appropriate catalysis and cure conditions — compatibility testing is recommended for specific system optimization.
Q4: How should SETALUX 91796 SS-69 be stored to maintain stability?
A: Store in tightly sealed containers in a cool, dry, and well-ventilated area away from direct sunlight and strong oxidizing agents; typical shelf life is 12 months under recommended storage conditions.
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