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High-gloss, excellent flow and leveling for premium aesthetic finishes.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to common household cleaners and mild industrial agents.
Optimized reactivity for efficient curing with TGIC-free crosslinkers in powder coatings.
Consistent batch-to-batch reproducibility supporting reliable manufacturing scale-up.
Architectural aluminum extrusions for façades and window frames.
Outdoor furniture and garden equipment requiring durable decorative finishes.
Automotive non-critical exterior trim components.
Industrial metal enclosures exposed to ambient environmental conditions.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing granular solid |
| Appearance | Off-white to light beige granules |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (200 °C, Pa·s) | 15–25 |
| Primary Applications | TGIC-free and HAA-cured powder coatings for outdoor use |
| Key Features | Weather durability, high gloss retention, smooth film formation |
Q1: What is the primary application of CRYLCOAT 2451-6 in powder coatings?
A: CRYLCOAT 2451-6 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and hybrid powder coating systems, where it contributes to excellent flow, leveling, and mechanical durability—particularly in architectural and general industrial applications.
Q2: Is CRYLCOAT 2451-6 compatible with common crosslinkers used in powder coatings?
A: Yes—it exhibits good reactivity with standard epoxy-functional crosslinkers such as glycidyl ester (GMA) acrylics and triglycidyl isocyanurate (TGIC), as well as with hydroxyl- or amine-functional curing agents in hybrid formulations.
Q3: How does CRYLCOAT 2451-6 perform under outdoor exposure conditions?
A: This resin delivers strong UV resistance and gloss retention in exterior-grade powder coatings, supporting long-term weatherability when formulated with appropriate pigments, stabilizers, and curing agents.
Q4: What are typical handling and storage recommendations for this resin?
A: Store in a cool, dry place below 30 °C in original sealed packaging. Avoid prolonged exposure to moisture or high humidity, and handle using standard industrial hygiene practices for thermoplastic polyesters.
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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
