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High hydroxyl functionality for efficient crosslinking with melamine, polyisocyanate, or polyester resins.
Excellent compatibility with common solvent-based and high-solids coating systems.
Superior weather resistance and UV stability for long-term gloss and color retention.
Low viscosity profile enabling high-solids formulation without sacrificing flow or leveling.
Consistent batch-to-batch reproducibility meeting stringent quality control standards.
Automotive OEM and refinish topcoats.
Industrial maintenance and protective coatings.
General-purpose coil and can coatings.
High-performance wood and plastic coatings.
Architectural metal and façade coatings.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin in organic solvent |
| Appearance | Clear, pale yellow to colorless solution |
| Hydroxyl Value (mg KOH/g) | 75–85 |
| Acid Value (mg KOH/g) | < 5 |
| Solids Content (% w/w) | 50 ± 2 |
| Viscosity (25°C, mPa·s) | 1,200–1,800 |
| Primary Applications | 2K polyurethane, melamine-cured, and hybrid industrial coatings |
Q1: What is the primary function of Uracron CY463 in coating formulations?
A: Uracron CY463 serves as a hydroxyl-functional acrylic resin designed to act as a reactive binder in two-component polyurethane and polyester-based coating systems, contributing to film formation, crosslink density, and overall mechanical performance.
Q2: Is Uracron CY463 compatible with common isocyanate hardeners?
A: Yes — Uracron CY463 is formulated for compatibility with aliphatic and aromatic polyisocyanates, including HDI- and IPDI-based crosslinkers, enabling robust curing under ambient or elevated temperature conditions.
Q3: How does Uracron CY463 contribute to weather resistance and gloss retention?
A: As a highly pure, low-yellowing acrylic backbone with controlled molecular weight distribution, it enhances UV stability and long-term gloss retention in exterior architectural and industrial maintenance coatings.
Q4: Can Uracron CY463 be used in low-VOC or high-solids systems?
A: Yes — its tailored solubility profile supports formulation in medium- to high-solids solventborne systems and can be adapted for certain VOC-compliant architectures when combined with appropriate thinners and co-resins.
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