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High-gloss, durable finish with excellent flow and leveling characteristics.
Optimized for TGIC-free curing systems, supporting sustainable powder coating formulations.
Superior weather resistance and UV stability for long-term outdoor performance.
Excellent mechanical properties including flexibility, impact resistance, and adhesion to metal substrates.
Consistent batch-to-batch reproducibility and broad processing window in extrusion and curing.
Architectural aluminum profiles for façades and curtain walls.
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Street lighting fixtures and traffic infrastructure elements.
Residential and commercial building cladding systems.
| Chemical Type | Carboxyl-functional aromatic polyester |
| Product Form | Pale yellow to light amber solid flakes |
| Appearance | Free-flowing, homogeneous flakes |
| Acid Value (mg KOH/g) | 27–33 |
| Molecular Weight (Mn) | ~2,800–3,400 g/mol |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | TGIC-free architectural and industrial powder coatings |
| Key Features | UV-stable, high-gloss, excellent exterior durability |
Q1: What is the primary application of CRYLCOAT 2671-3 in powder coating systems?
A: CRYLCOAT 2671-3 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 exterior durability are required.
Q2: Which curing agents is CRYLCOAT 2671-3 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional hardeners such as triglycidyl isocyanurate (TGIC) or alternative epoxy-based co-reactants like β-hydroxyalkylamide (HAA), depending on the desired performance profile and regulatory requirements.
Q3: How does CRYLCOAT 2671-3 contribute to weather resistance in finished coatings?
A: Its molecular structure provides strong resistance to UV degradation and hydrolytic cleavage, supporting long-term gloss retention and color stability under outdoor exposure—making it suitable for architectural and industrial applications requiring proven exterior performance.
Q4: Is CRYLCOAT 2671-3 suitable for low-cure or energy-efficient powder coating processes?
A: Yes—this resin demonstrates good reactivity at reduced cure schedules (e.g., 160–180 °C for 10–20 minutes), enabling energy savings without significant compromise in crosslink density or mechanical properties when properly formulated.
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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
