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High hydroxyl functionality for robust crosslinking with melamine and polyisocyanate curing agents.
Excellent compatibility with common solventborne and high-solids coating systems.
Provides outstanding gloss retention, hardness development, and chemical resistance in cured films.
Engineered for low VOC formulations while maintaining optimal flow and leveling performance.
Consistent batch-to-batch reproducibility and broad formulation latitude for OEM and refinish applications.
Automotive OEM topcoats and clearcoats.
Automotive refinish basecoats and clearcoats.
Industrial maintenance coatings for metal substrates.
General-purpose high-performance coil coatings.
Powder coating hybrid systems requiring hydroxyl functionality.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, colorless to pale yellow liquid |
| Primary Applications | OEM automotive, refinish, industrial coatings |
| Key Features | High OH value, low viscosity, excellent compatibility |
| Benefits | Enhanced cure speed, film hardness, and weatherability |
| Solvent System | Aromatic and aliphatic hydrocarbon blend |
| Storage Stability | Stable at 20–25°C for ≥12 months in sealed container |
Q1: What is the primary function of SETALUX 1753 SS-70 in coating formulations?
A: SETALUX 1753 SS-70 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and melamine-cured systems. It contributes to film formation, hardness development, and long-term durability while maintaining excellent clarity and UV stability.
Q2: Is SETALUX 1753 SS-70 compatible with common crosslinkers used in industrial coatings?
A: Yes — it is specifically engineered for compatibility with aliphatic isocyanates (e.g., HDI trimer and biuret types) and amino resins, including high-solid melamine-formaldehyde derivatives. Its hydroxyl value and molecular weight profile support efficient curing and balanced pot life in solventborne and high-solids formulations.
Q3: How does SETALUX 1753 SS-70 perform in terms of weathering and gloss retention?
A: As a purely acrylic hydroxyl resin with no aromatic backbone, it delivers superior resistance to UV degradation, yellowing, and chalking. Coatings formulated with this resin typically retain high gloss and color stability under prolonged outdoor exposure, making it well-suited for premium architectural and transportation topcoats.
Q4: Can SETALUX 1753 SS-70 be used in low-VOC or high-solids systems?
A: Yes — its design supports formulation flexibility across conventional solventborne, high-solids, and certain solvent-reduced systems. It offers good viscosity control and flow characteristics at elevated solids content, helping formulators meet evolving regulatory and performance targets without sacrificing cure efficiency or film quality.
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E-mail: wangxingqiang@ericwchem.com
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