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High hydroxyl functionality for excellent crosslinking density with isocyanate-based curing agents.
Optimized molecular weight distribution for balanced flow, leveling, and film build in high-solids coatings.
Low VOC formulation compliant with stringent environmental regulations for industrial coating systems.
Superior weather resistance and UV stability, maintaining gloss and color retention over extended exposure.
Good compatibility with common acrylic, polyester, and cellulose ester resins in multi-component binder systems.
Automotive OEM clearcoats and basecoat/clearcoat systems.
Industrial maintenance coatings for metal substrates including machinery and agricultural equipment.
Architectural high-performance topcoats for aluminum composite panels (ACM) and curtain walls.
Coil coating primers and topcoats requiring excellent flexibility and corrosion resistance.
Plastic coatings for automotive interior and exterior trim components.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow to colorless liquid |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Solids Content (% w/w) | 60 ± 2 |
| Viscosity (mPa·s, 25°C, #4 spindle, 20 rpm) | 3,500–5,500 |
| Density (g/cm³, 25°C) | 0.94–0.97 |
| Primary Applications | Two-component polyurethane topcoats |
Q1: What is the primary function of Setalux D A 760BA X in coating formulations?
A: Setalux D A 760BA X 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 long-term durability while maintaining good clarity and gloss retention.
Q2: Is this resin compatible with common isocyanate hardeners?
A: Yes, Setalux D A 760BA X is formulated for compatibility with aliphatic and aromatic isocyanate crosslinkers, including HDI trimer, IPDI-based adducts, and HMDI derivatives. Optimal performance is typically achieved with low-viscosity, non-yellowing aliphatic isocyanates in high-performance industrial and automotive topcoats.
Q3: How does this resin perform in terms of weather resistance and UV stability?
A: As a high-purity, low-yellowing hydroxyl acrylic resin, Setalux D A 760BA X delivers excellent resistance to UV degradation, chalking, and gloss loss when formulated with appropriate light-stable isocyanates and UV absorbers. It is widely selected for exterior architectural and transportation coatings requiring long-term color and gloss retention.
Q4: What solvents are recommended for diluting or processing this resin?
A: Setalux D A 760BA X is soluble in common organic solvents such as xylene, toluene, ethyl acetate, butyl acetate, and ketones like MEK and MIBK. Solvent selection should consider evaporation rate, VOC compliance requirements, and compatibility with other formulation components.
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