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High hydroxyl functionality for excellent crosslinking efficiency with melamine and polyisocyanate curing agents.
Low viscosity enabling high-solids formulation without compromising flow and leveling performance.
Outstanding UV resistance and gloss retention in exterior coatings applications.
Good compatibility with common acrylic, polyester, and cellulose ester resins.
Consistent batch-to-batch reproducibility meeting stringent automotive OEM coating requirements.
Automotive OEM topcoats and clearcoats.
Industrial maintenance coatings for metal substrates.
High-performance coil coatings requiring durability and weatherability.
Powder coating hybrid systems (liquid–powder hybrid or as a modifier).
Refinish coatings for automotive and heavy-duty equipment.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear, pale yellow to colorless liquid |
| Non-Volatile Content (wt%) | 50 ± 2 % (in xylene/butyl acetate blend) |
| Hydroxyl Value (mg KOH/g) | 65 – 75 |
| Acid Value (mg KOH/g) | < 5 |
| Viscosity (25°C, mPa·s) | 800 – 1,200 (Brookfield RVT, spindle #3, 20 rpm) |
| Solvent System | Xylene / butyl acetate mixture |
Q1: What is the primary function of Uracron CY472 in coating formulations?
A: Uracron CY472 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, flexibility, gloss retention, and compatibility with common crosslinkers such as aliphatic isocyanates.
Q2: Is Uracron CY472 suitable for high-solids or low-VOC applications?
A: Yes — Uracron CY472 is formulated to support medium-to-high solids content systems and is commonly used in solventborne coatings targeting reduced VOC emissions. Its molecular architecture enables good flow and leveling while maintaining reactivity and storage stability under typical formulation conditions.
Q3: How does Uracron CY472 compare to other hydroxyl acrylic resins in terms of weather resistance?
A: As a fully acrylic hydroxyl resin, Uracron CY472 offers inherently strong UV stability and resistance to chalking or yellowing, making it well-suited for exterior architectural and industrial maintenance coatings where long-term gloss and color retention are critical.
Q4: Can Uracron CY472 be used in water-reducible or hybrid systems?
A: While primarily developed for solventborne systems, Uracron CY472 can be incorporated into certain water-reducible or solvent-water hybrid formulations when properly emulsified or neutralized — though compatibility and stability must be verified case-by-case during lab-scale evaluation.
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