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High hydroxyl functionality for excellent crosslinking density with melamine and polyisocyanate curing agents.
Low viscosity in solvent-based systems, enabling high-solids formulation and improved application efficiency.
Superior weather resistance and UV stability, maintaining gloss and color retention in outdoor coatings.
Excellent compatibility with common acrylics, alkyds, and polyester resins for hybrid coating systems.
Consistent batch-to-batch reproducibility, ensuring reliable performance in industrial production environments.
Automotive OEM and refinish topcoats requiring high-gloss, chip-resistant finishes.
Industrial maintenance coatings for metal structures, machinery, and agricultural equipment.
General-purpose coil coatings on pre-painted steel and aluminum substrates.
High-performance can coatings for food and beverage packaging with FDA-compliant formulations.
Architectural exterior wall coatings demanding long-term durability and fade resistance.
| Chemical Type | Hydroxyl-functional acrylic copolymer |
| Product Form | Liquid resin solution |
| Appearance | Clear to pale yellow, homogeneous liquid |
| Hydroxyl Value (mg KOH/g) | 60–68 |
| Acid Value (mg KOH/g) | < 5 |
| Solids Content (% by weight) | 60 ± 2 |
| Viscosity (25°C, mPa·s) | 4,000–6,500 (in xylene) |
| Diluent | Xylene or mixed aromatic solvents |
Q1: What is the primary function of YPWA-26W60 in coating formulations?
A: YPWA-26W60 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 overall durability while supporting good gloss retention and weather resistance.
Q2: Is YPWA-26W60 compatible with common isocyanate crosslinkers?
A: Yes, YPWA-26W60 is formulated for compatibility with standard aliphatic and aromatic isocyanate hardeners, including HDI trimer and IPDI-based crosslinkers. Optimal reactivity and pot life depend on catalyst selection, solvent system, and ambient conditions.
Q3: How does YPWA-26W60 perform in high-solids or low-VOC formulations?
A: This resin exhibits favorable viscosity characteristics and solubility in common low-VOC solvents, enabling its use in high-solids coatings without excessive thickening. Its molecular design supports reduced solvent demand while maintaining application stability and film integrity.
Q4: Can YPWA-26W60 be used in both industrial maintenance and automotive refinish applications?
A: Yes — it is widely employed across industrial maintenance coatings requiring chemical and abrasion resistance, as well as in mid-to-high-performance automotive refinish systems where balance between cure speed, flexibility, and appearance is critical.
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