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High-gloss, durable finish with excellent flow and leveling characteristics.
Optimized for TGIC-free powder coating formulations, supporting sustainable chemistry.
Superior weather resistance and UV stability for long-term outdoor performance.
Excellent mechanical properties including impact resistance and flexibility.
Consistent batch-to-batch reproducibility and reliable curing behavior at standard oven temperatures.
Architectural aluminum extrusions for façades and window systems.
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Street lighting fixtures and traffic signage substrates.
Consumer appliances requiring high aesthetic and functional durability.
| Chemical Type | Carboxyl-functional saturated polyester resin |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Granular, homogeneous particles |
| Acid Value (mg KOH/g) | 28–32 |
| Hydroxyl Value (mg KOH/g) | ≤ 5 |
| Melt Viscosity (Pa·s at 180°C) | 2.5–3.5 |
| Gel Time (sec at 200°C) | 80–110 |
| Primary Applications | TGIC-free architectural and industrial powder coatings |
Q1: What is the primary application of CRYLCOAT 4626-0 in powder coatings?
A: CRYLCOAT 4626-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and semi-gloss thermosetting powder coatings—particularly where excellent flow, leveling, and long-term weather resistance are required.
Q2: Which crosslinkers is CRYLCOAT 4626-0 compatible with?
A: It is formulated to react efficiently with standard epoxy-based crosslinkers such as glycidyl functional acrylics or triglycidyl isocyanurate (TGIC), though it is most commonly used in TGIC-free systems with alternative epoxy resins or hybrid curing agents.
Q3: How does CRYLCOAT 4626-0 perform under outdoor exposure conditions?
A: This resin delivers strong UV stability and chalk resistance, making it well-suited for exterior architectural and industrial applications where long-term gloss retention and color stability are critical.
Q4: What are typical processing considerations during extrusion and curing?
A: The resin exhibits good melt viscosity behavior, supporting stable extrusion at standard powder coating processing temperatures. Curing typically occurs within conventional time/temperature windows (e.g., 180–200 °C for 10–20 minutes), depending on film thickness and system formulation.
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E-mail: wangxingqiang@ericwchem.com
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