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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 household cleaners, mild solvents, and humidity.
Low viscosity enables easy formulation and high solids content in powder coatings.
Optimized reactivity for balanced cure schedule—compatible with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Outdoor furniture and garden equipment coatings.
Automotive non-critical exterior trim components.
Consumer electronics enclosures requiring durable decorative finishes.
Steel and aluminum fencing, railings, and structural grilles.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber granules |
| Appearance | Free-flowing, uniform granular solid |
| Acid Value (mg KOH/g) | 27–31 |
| Gardner Color (on 50% w/w solution in butyl acetate) | ≤ 2 |
| Melt Viscosity (at 180 °C, Pa·s) | 1,800–2,400 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | Exterior-grade thermoset powder coatings |
Q1: What is the primary application of CRYLCOAT 4659-0 in powder coatings?
A: CRYLCOAT 4659-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and HAA-cured architectural and industrial powder coating systems, offering excellent flow, gloss retention, and weather resistance.
Q2: How does CRYLCOAT 4659-0 perform under outdoor exposure conditions?
A: This resin delivers robust UV stability and long-term color and gloss retention when formulated into high-performance exterior powder coatings, making it suitable for façade panels, window frames, and other demanding architectural applications.
Q3: Is CRYLCOAT 4659-0 compatible with common crosslinkers used in powder coatings?
A: Yes — it is fully compatible with hydroxyalkyl amide (HAA) crosslinkers such as Primid® XL-552 and other industry-standard alternatives, enabling low-cure, TGIC-free formulations with good storage stability and reactivity balance.
Q4: What are the recommended curing conditions for coatings based on this resin?
A: Typical cure schedules range from 180–200 °C for 10–20 minutes, depending on film thickness, substrate type, and specific crosslinker selection; optimization is advised during formulation development.
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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
