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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.
Excellent compatibility with TGIC and TGIC-free curing agents in powder coating systems.
Consistent melt viscosity and reactivity for reliable processability in extrusion and curing.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Outdoor furniture and garden equipment coatings.
Automotive exterior trim and non-under-hood components.
General industrial metal goods requiring durable decorative finishes.
Consumer electronics enclosures with high-appearance requirements.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing, homogeneous granules |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (Pa·s at 180 °C) | 25–35 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | Exterior-grade TGIC and TGIC-free powder coatings |
Q1: What is the primary application of CRYLCOAT E 04362 in powder coatings?
A: CRYLCOAT E 04362 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and HAA-cured architectural and industrial powder coating systems, where it contributes to excellent gloss retention, weather resistance, and mechanical durability.
Q2: Is CRYLCOAT E 04362 compatible with common crosslinkers used in powder coatings?
A: Yes — it is formulated for compatibility with hydroxyalkyl amide (HAA) crosslinkers and can also be used with alternative TGIC-free curing agents such as β-hydroxyalkylamides or specific epoxy-functional resins, depending on the desired cure schedule and performance profile.
Q3: How does CRYLCOAT E 04362 perform under UV exposure and outdoor conditions?
A: As a high-purity, low-yellowing polyester resin, it delivers strong resistance to chalking, gloss loss, and color shift during long-term UV exposure, making it suitable for exterior architectural applications requiring extended service life.
Q4: What are the typical processing considerations for formulating with CRYLCOAT E 04362?
A: It exhibits good melt viscosity behavior and film-forming characteristics during extrusion and curing. Formulators should optimize extrusion temperature and residence time to ensure full dispersion without premature crosslinking, especially when using reactive additives or pigments sensitive to acid functionality.
Q5: Does CRYLCOAT E 04362 meet regulatory requirements for sustainable coatings?
A: This resin is free from intentionally added heavy metals, halogenated compounds, and alkylphenol ethoxylates. Its formulation supports low-VOC, TGIC-free powder coating systems aligned with global sustainability goals and evolving environmental regulations for industrial finishes.
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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
