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High-gloss, excellent flow and leveling for smooth, defect-free coatings.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, acids, and household cleaners.
Optimized for TGIC-free curing systems, supporting sustainable powder coating formulations.
Consistent batch-to-batch reproducibility and reliable melt viscosity behavior.
Architectural aluminum extrusions and curtain wall systems.
Outdoor furniture and garden equipment coatings.
Automotive exterior trim and non-critical under-hood components.
Consumer appliances with demanding aesthetic and durability requirements.
Industrial metal furniture and signage requiring high gloss and color retention.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing granular solid |
| Appearance | Off-white to light beige granules |
| Acid Value (mg KOH/g) | 27–31 |
| Gel Time (180°C, sec) | 85–115 |
| Melt Viscosity (200°C, Pa·s) | 4.5–6.5 |
| Softening Point (°C, ASTM E28) | 68–74 |
| Primary Applications | Exterior-grade TGIC-free and HAA-cured powder coatings |
Q1: What is the primary application of CRYLCOAT 2642-0 in powder coatings?
A: CRYLCOAT 2642-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and low-TGIC hybrid powder coating systems, where it contributes to excellent flow, gloss retention, and mechanical durability—particularly in indoor architectural and general industrial applications.
Q2: How does CRYLCOAT 2642-0 perform in terms of weather resistance and UV stability?
A: As a standard aromatic polyester resin, CRYLCOAT 2642-0 offers good initial performance in controlled environments but is not formulated for long-term exterior exposure. For demanding outdoor applications, Allnex recommends aliphatic polyester resins with enhanced UV resistance instead.
Q3: Is CRYLCOAT 2642-0 compatible with common curing agents used in hybrid powder systems?
A: Yes—CRYLCOAT 2642-0 is engineered for compatibility with epoxy resins (e.g., triglycidyl isocyanurate or DICY-modified epoxies) in hybrid formulations, delivering balanced reactivity, storage stability, and film formation across typical industrial cure schedules.
Q4: What are the recommended storage conditions to maintain resin quality?
A: Store CRYLCOAT 2642-0 in its original sealed container at temperatures between 10 °C and 30 °C, away from direct sunlight and moisture. Prolonged exposure to high humidity or elevated temperatures may affect viscosity and reactivity over time.
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E-mail: wangxingqiang@ericwchem.com
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