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High-gloss, excellent flow and leveling for premium surface aesthetics.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, cleaning agents, and mild acids.
Optimized reactivity for efficient curing with TGIC or HAA crosslinkers at standard powder coating temperatures.
Consistent melt viscosity enabling stable extrusion and high transfer efficiency in electrostatic application.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Outdoor furniture and garden equipment coatings.
Automotive exterior trim and non-under-hood components.
Street lighting fixtures and traffic signage substrates.
General industrial metal enclosures requiring durable, decorative finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid flakes |
| Appearance | Free-flowing, homogeneous flakes |
| Acid Value (mg KOH/g) | 24–28 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (200 °C, Pa·s) | 2,500–3,500 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | Exterior-grade TGIC-free and TGIC-based powder coatings |
Q1: What is the primary application of CRYLCOAT 1626-0 in powder coatings?
A: CRYLCOAT 1626-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, weather-resistant thermosetting powder coatings—commonly applied to architectural aluminum extrusions, façade panels, and outdoor metal furniture.
Q2: Is CRYLCOAT 1626-0 compatible with standard epoxy curing agents?
A: No—CRYLCOAT 1626-0 is formulated for use with triglycidyl isocyanurate (TGIC) or hydroxyalkylamide (HAA) crosslinkers, not epoxy-based systems. Its carboxyl functionality enables efficient reaction with these common powder coating hardeners.
Q3: How does CRYLCOAT 1626-0 contribute to weathering performance?
A: As a high-purity, aromatic-aliphatic hybrid polyester, it delivers excellent UV stability and long-term gloss retention when cured with TGIC or HAA, making it suitable for exterior applications requiring proven resistance to chalking and color shift under accelerated weathering conditions.
Q4: What are typical handling and storage recommendations?
A: Store in a cool, dry place below 30 °C in original sealed packaging. Avoid prolonged exposure to humidity or elevated temperatures, as moisture absorption may affect flow behavior and film formation during curing. Always follow good industrial hygiene practices during handling.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
