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High-gloss, excellent flow and leveling for smooth, defect-free cured films.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, acids, and alkalis in powder coating applications.
Optimized for TGIC-free curing systems, supporting sustainable, low-VOC formulations.
Consistent batch-to-batch reproducibility and broad processing window in extrusion and curing.
Architectural aluminum extrusions (e.g., window frames, façade panels).
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Lighting fixtures and streetlamp housings.
Residential and commercial metal door and railing systems.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber granules |
| Appearance | Free-flowing solid granules |
| Acid Value (mg KOH/g) | 27–33 |
| Gardner Color (meq/100 g) | ≤ 3 |
| Melt Viscosity (Pa·s at 180 °C) | 3,500–5,500 |
| Softening Point (°C, Ring & Ball) | 72–78 |
| Primary Applications | TGIC-free and HAA-cured architectural powder coatings |
Q1: What is the primary application of CRYLCOAT E 04496 in powder coatings?
A: CRYLCOAT E 04496 is a carboxyl-functional polyester resin designed for use as a binder in TGIC-free, high-gloss, exterior-grade thermosetting powder coatings—particularly where excellent weather resistance, mechanical durability, and smooth film formation are required.
Q2: Which crosslinkers is CRYLCOAT E 04496 typically formulated with?
A: This resin is compatible with common epoxy-functional crosslinkers such as glycidyl ether-based compounds (e.g., triglycidyl isocyanurate, TGI), and may also be used with alternative non-TGIC systems like hydroxyalkyl amide (HAA) crosslinkers—subject to formulation optimization for cure schedule and performance balance.
Q3: What are the key handling and storage recommendations for this resin?
A: Store in a cool, dry place away from direct sunlight and moisture. Keep containers tightly sealed when not in use. Avoid prolonged exposure to elevated temperatures prior to processing, as this may affect flow behavior or shelf life. Always follow standard industrial hygiene practices during handling.
Q4: How does CRYLCOAT E 04496 perform in terms of UV stability and chalking resistance?
A: As a high-purity, aromatic-aliphatic hybrid polyester, it delivers robust UV resistance and low chalking tendency in outdoor applications—making it suitable for architectural and industrial metal substrates exposed to long-term solar radiation and environmental stress.
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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
