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High hydroxyl functionality for robust crosslinking with melamine and polyisocyanate curing agents.
Excellent compatibility with common solvent-based coating systems and co-resins.
Delivers outstanding gloss retention, color stability, and UV resistance in demanding outdoor applications.
Optimized molecular weight distribution for balanced flow, leveling, and film formation.
Low VOC formulation support—designed to meet stringent regulatory requirements without compromising performance.
Automotive OEM clearcoats and basecoats.
Industrial maintenance coatings for metal substrates.
General-purpose coil coatings requiring durability and weatherability.
High-performance refinish topcoats for automotive and heavy equipment.
Powder coating hybrid systems where solution acrylics enhance flow and appearance.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in organic solvents (e.g., xylene, butyl acetate) |
| Appearance | Clear, pale yellow liquid |
| Hydroxyl Value (mg KOH/g) | 85–95 |
| Acid Value (mg KOH/g) | < 5 |
| Solids Content (% by weight) | 50 ± 2 |
| Viscosity (mPa·s, 25°C, #4 spindle, 20 rpm) | 3,000–5,000 |
| Primary Applications | OEM and refinish automotive coatings, industrial maintenance coatings, coil coatings |
Q1: What is the primary function of SETALUX 17-7202 in coating formulations?
A: SETALUX 17-7202 is a hydroxyl-functional acrylic resin designed primarily as a reactive binder in two-component polyurethane (2K PU) and polyester-based crosslinking systems. It contributes to film formation, enhances hardness and chemical resistance, and supports excellent gloss retention and weatherability in high-performance industrial and automotive topcoats.
Q2: Is SETALUX 17-7202 compatible with common isocyanate crosslinkers?
A: Yes — it is specifically formulated for compatibility with aliphatic isocyanate crosslinkers such as HDI trimer and biuret types. Its hydroxyl functionality enables efficient curing at ambient or elevated temperatures, delivering robust crosslinked networks with good pot life control under standard formulation conditions.
Q3: How does SETALUX 17-7202 perform in terms of viscosity and solvent compatibility?
A: The resin is supplied in aromatic and/or ester solvents and exhibits moderate viscosity, facilitating easy incorporation into solventborne coating systems. It demonstrates good compatibility with typical industrial solvents including xylene, butyl acetate, and PGDA, supporting stable formulation without gelling or phase separation when handled according to recommended guidelines.
Q4: Can SETALUX 17-7202 be used in low-VOC or high-solids applications?
A: Yes — its molecular design allows for formulation flexibility in medium-to-high solids 2K PU systems. While not inherently waterborne, it supports VOC reduction strategies when paired with low-VOC solvents and optimized crosslinker ratios, aligning with evolving regulatory expectations for industrial finishing.
Q5: What are key storage and handling considerations for this resin?
A: Store in tightly sealed containers under cool, dry, and well-ventilated conditions, away from direct sunlight and sources of ignition. Avoid prolonged exposure to moisture or strong oxidizing agents. As with all reactive resins, ensure compatibility testing with other formulation components prior to full-scale production use.
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E-mail: wangxingqiang@ericwchem.com
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