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High-gloss, excellent flow and leveling for smooth, defect-free cured films.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to household cleaners, mild acids, and alkalis.
Optimized reactivity with TGIC-free curing systems, supporting sustainable powder coating formulations.
Consistent batch-to-batch reproducibility and low melt viscosity for reliable extrusion and spray application.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Residential and commercial fencing and railings.
Light industrial enclosures and signage requiring durable aesthetics.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing, uniform granules |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color (10% w/w in MEK) | ≤ 2 |
| Melt Viscosity (200 °C, Pa·s) | 1,800–2,400 |
| Softening Point (°C, Ring & Ball) | 76–82 |
| Primary Applications | TGIC-free and TGIC-containing exterior-grade powder coatings |
Q1: What is the primary application of CRYLCOAT 2453-2 in powder coatings?
A: CRYLCOAT 2453-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, weather-resistant thermosetting powder coatings—particularly for architectural and industrial metal finishing applications where long-term UV stability and mechanical durability are required.
Q2: Which crosslinkers is CRYLCOAT 2453-2 typically compatible with?
A: It is formulated to react efficiently with standard epoxy-functional curing agents such as glycidyl ester (e.g., Primid XL-552) and triglycidyl isocyanurate (TGIC), though it is most commonly used in TGIC-free systems due to its optimized functionality and reactivity profile.
Q3: How does CRYLCOAT 2453-2 contribute to film performance in outdoor applications?
A: Its molecular structure delivers excellent resistance to chalking, gloss retention, and color stability under prolonged UV exposure and cyclic weathering conditions—making it well-suited for exterior architectural cladding, façade panels, and other demanding outdoor coating systems.
Q4: Is CRYLCOAT 2453-2 suitable for low-cure or energy-efficient powder coating processes?
A: Yes—it exhibits good reactivity at standard cure schedules (e.g., 180–200 °C for 10–20 minutes) and can be adapted for moderate low-cure formulations when combined with appropriate catalysts and crosslinkers, though optimization is required per specific system design.
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E-mail: wangxingqiang@ericwchem.com
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