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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Optimized molecular weight distribution for balanced flow, leveling, and film hardness development.
Low viscosity in solvent-based systems, enabling high-solids formulations without sacrificing application performance.
Superior UV resistance and long-term gloss retention in outdoor coating applications.
Consistent batch-to-batch reproducibility meeting stringent automotive and industrial OEM requirements.
Automotive topcoats (OEM and refinish).
Industrial maintenance coatings for metal substrates.
Appliance finishes requiring high durability and aesthetic performance.
General-purpose coil coatings for pre-painted metal.
High-performance plastic coatings where adhesion and flexibility are critical.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear to slightly hazy, colorless to pale yellow liquid |
| Primary Applications | Thermosetting automotive and industrial coatings |
| Key Features | High OH value, low VOC potential, good compatibility with common crosslinkers |
| Benefits | Enables high-gloss, mar-resistant films with excellent chemical and weather resistance |
| Solvent System | Standard aromatic/aliphatic blend (e.g., xylene/ester) |
| Storage Stability | At least 12 months at 20–25°C in sealed original container |
Q1: What is the primary function of SETALUX 1202 SS-70 in coating formulations?
A: SETALUX 1202 SS-70 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based coating systems. It contributes to film formation, crosslink density, and final cure performance while supporting good gloss, hardness, and chemical resistance.
Q2: Is SETALUX 1202 SS-70 compatible with common isocyanate crosslinkers?
A: Yes, it is formulated for compatibility with standard aliphatic and aromatic polyisocyanates, including HDI trimer, IPDI-based adducts, and biuret-type hardeners. Optimal reactivity and pot life depend on the selected crosslinker, catalyst usage, and formulation solids.
Q3: How does SETALUX 1202 SS-70 perform in high-solids or low-VOC applications?
A: Its low viscosity and high hydroxyl value support formulating high-solids coatings with reduced solvent demand. It enables efficient crosslinking at lower temperatures and helps maintain application properties—such as flow and leveling—without excessive dilution.
Q4: Can SETALUX 1202 SS-70 be used in exterior architectural coatings?
A: Yes, its acrylic backbone provides inherent UV stability and weather resistance, making it suitable for durable exterior topcoats when paired with appropriate light-stable isocyanates and additives. Performance under long-term exposure depends on full system design—including pigment selection and UV absorbers.
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E-mail: wangxingqiang@ericwchem.com
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