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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.
Excellent chemical resistance to solvents, acids, and alkalis in cured coatings.
Good compatibility with TGIC and TGIC-free curing agents for flexible formulation design.
Consistent batch-to-batch reproducibility supporting reliable industrial-scale production.
Architectural aluminum extrusions for curtain walls and window frames.
Automotive trim and exterior decorative components.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing requiring durable, high-end appearance.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing granular solid |
| Appearance | White to off-white granules |
| Acid Value (mg KOH/g) | 26–30 |
| Number Average Molecular Weight (Mn) | ~2,800–3,200 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | Thermosetting powder coatings (TGIC and hybrid systems) |
| Key Features | High gloss, weather resistance, chemical resistance, flow control |
Q1: What is the primary application of CRYLCOAT 2450-2 in powder coatings?
A: CRYLCOAT 2450-2 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 2450-2 perform under UV exposure and outdoor conditions?
A: This resin delivers robust long-term UV stability and chalk resistance, making it well-suited for exterior applications where sustained gloss and color retention are critical—particularly in coil and extrusion coating systems exposed to harsh environmental conditions.
Q3: Is CRYLCOAT 2450-2 compatible with common crosslinkers used in TGIC-free formulations?
A: Yes—it is fully compatible with hydroxyalkyl amide (HAA) crosslinkers and demonstrates good reactivity and storage stability in formulated powders, supporting efficient curing at standard industrial bake schedules.
Q4: 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 to prevent moisture uptake, which may affect melt viscosity and film formation during processing.
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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
