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High-gloss, durable finish with excellent leveling and flow characteristics.
Optimized for TGIC-free curing systems, supporting sustainable powder coating formulations.
Superior UV resistance and weathering performance for outdoor applications.
Consistent batch-to-batch reproducibility and wide processing window in extrusion and curing.
Low melt viscosity enabling efficient film formation and reduced orange peel effect.
Architectural aluminum extrusions (curtain walls, windows, façades).
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Automotive non-critical exterior trim parts.
Street lighting fixtures and municipal infrastructure elements.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing solid granules |
| Appearance | Off-white to light yellow granules |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color (50% w/w solution in MEK) | ≤ 3 |
| Melt Viscosity (at 200°C, Pa·s) | 1,800–2,400 |
| Softening Point (°C, Ring & Ball) | 68–74 |
| Primary Applications | Exterior-grade TGIC-free and HAA-cured powder coatings |
Q1: What is the primary application of CRYLCOAT 2679-6 in powder coatings?
A: CRYLCOAT 2679-6 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 2679-6 perform under outdoor exposure conditions?
A: This resin delivers robust UV stability and chalk resistance, making it suitable for exterior applications where long-term gloss and color retention are required—particularly in coil and extrusion coating systems exposed to natural weathering.
Q3: Is CRYLCOAT 2679-6 compatible with standard curing agents used in powder coatings?
A: Yes—it is fully compatible with hydroxyalkyl amide (HAA) crosslinkers such as Primid® XL-552 and other commercially available HAA types, enabling flexible formulation options for low-bake and standard-cure systems.
Q4: What handling or storage precautions should be observed for this resin?
A: Store in a cool, dry place below 30 °C in original sealed packaging. Avoid prolonged exposure to moisture or elevated temperatures prior to processing, as this may affect flow behavior and reactivity during extrusion.
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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
