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High-gloss, smooth finish with excellent flow and leveling characteristics.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Excellent chemical resistance to solvents, acids, and household cleaners.
Optimized for low-cure temperature powder coating systems (180–190 °C, 10–15 min).
Good electrostatic sprayability and transfer efficiency for reduced overspray and material waste.
Architectural aluminum extrusions for façades and window frames.
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Consumer appliances requiring durable, aesthetic finishes.
Street furniture including lighting poles and signage substrates.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Homogeneous granular solid |
| Acid Value (mg KOH/g) | 26–30 |
| Gel Time (200 °C, s) | 180–220 |
| Melt Viscosity (200 °C, Pa·s) | 4–7 |
| Primary Applications | Exterior-grade thermosetting powder coatings |
| Key Features | Weather resistance, high gloss, low-cure compatibility |
Q1: What is the primary application of CRYLCOAT 4629-0 in powder coating formulations?
A: CRYLCOAT 4629-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, exterior-grade powder coatings—particularly where excellent weather resistance, mechanical durability, and smooth film formation are required.
Q2: Which curing agents is CRYLCOAT 4629-0 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional hardeners such as glycidyl ester or triglycidyl isocyanurate (TGIC-free) crosslinkers, enabling robust cure profiles across conventional and low-bake powder coating processes.
Q3: How does CRYLCOAT 4629-0 contribute to weathering performance in finished coatings?
A: Its molecular structure provides inherent UV stability and hydrolytic resistance, supporting long-term gloss retention, minimal chalking, and color stability under accelerated and natural outdoor exposure—making it suitable for architectural and industrial applications demanding extended service life.
Q4: Is CRYLCOAT 4629-0 suitable for low-cure or energy-efficient powder coating processes?
A: Yes—it exhibits good reactivity at reduced cure temperatures (e.g., 160–180 °C), allowing formulators to develop more sustainable systems without compromising crosslink density or final film properties.
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E-mail: wangxingqiang@ericwchem.com
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