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High-gloss, excellent flow and leveling for premium surface appearance.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good mechanical properties including hardness, flexibility and impact resistance.
Optimized reactivity with TGIC-free curing systems for sustainable powder coating formulations.
Consistent batch-to-batch reproducibility meeting stringent industrial quality requirements.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
Industrial metal enclosures and electrical cabinets.
Consumer appliances requiring durable, decorative finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Homogeneous granular solid |
| Primary Applications | TGIC-free and HAA-cured architectural & industrial powder coatings |
| Key Features | High gloss, excellent weatherability, good overbake resistance |
| Benefits | Reduced VOC, enhanced durability, consistent film formation |
| Storage Stability | Stable for ≥12 months at ≤30 °C in original sealed packaging |
| Recommended Cure Schedule | 180–200 °C / 10–20 minutes (depending on system) |
Q1: What is the primary application of CRYLCOAT 1591-6 in powder coatings?
A: CRYLCOAT 1591-6 is a carboxyl-functional polyester resin designed for use as a binder in TGIC-free, high-gloss, exterior-grade thermosetting powder coatings—particularly where excellent weather resistance, mechanical durability, and smooth film formation are required.
Q2: Is CRYLCOAT 1591-6 compatible with common crosslinkers used in powder coatings?
A: Yes, it is specifically formulated to react efficiently with standard epoxy-functional crosslinkers such as triglycidyl isocyanurate (TGIC) and hydroxyalkyl amide (HAA) systems, delivering balanced cure response and robust final film properties.
Q3: How does CRYLCOAT 1591-6 perform under UV exposure and outdoor weathering conditions?
A: As a high-purity, aromatic-aliphatic hybrid polyester, it offers strong resistance to chalking, gloss loss, and color shift during accelerated and natural weathering—making it well-suited for architectural and industrial applications exposed to prolonged sunlight and moisture.
Q4: What handling or storage precautions should be observed for this resin?
A: Store in a cool, dry place away from direct sunlight and sources of heat or ignition. Keep containers tightly sealed to prevent moisture absorption and avoid prolonged exposure to ambient humidity, which may affect flow behavior and electrostatic charging during powder processing.
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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
