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High-gloss, excellent flow and leveling for premium surface finish.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, acids, and household cleaners.
Optimized reactivity for efficient curing with TGIC-free or low-TGIC powder systems.
Consistent batch-to-batch reproducibility supporting reliable industrial manufacturing.
Architectural aluminum extrusions for façades and window frames.
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
Appliance panels requiring durable, aesthetic finishes.
General industrial metal finishing for corrosion-resistant decorative coatings.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Granular, homogeneous, free of lumps or fines |
| Acid Value (mg KOH/g) | 34–38 |
| Gel Time (200 °C, seconds) | 85–115 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Molecular Weight (g/mol, Mn) | 2,800–3,400 |
| Key Features | Weather-resistant, high-gloss, TGIC-compatible, low yellowing |
Q1: What is the primary application of CRYLCOAT 1616-2 in powder coatings?
A: CRYLCOAT 1616-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, weather-resistant thermosetting powder coatings—commonly applied to architectural aluminum extrusions, façade panels, and outdoor metal furniture.
Q2: How does CRYLCOAT 1616-2 contribute to UV resistance and gloss retention?
A: Its molecular structure provides excellent inherent resistance to UV-induced chalking and gloss loss, enabling long-term color stability and surface integrity in demanding exterior applications without requiring additional UV absorbers in many standard formulations.
Q3: Is CRYLCOAT 1616-2 compatible with common crosslinkers used in polyester-based powder systems?
A: Yes—it is formulated for optimal reactivity with standard hydroxyalkylamide (HAA) crosslinkers and exhibits good compatibility with alternative low-TGIC or TGIC-free curing agents, supporting flexible formulation design for various cure schedules.
Q4: What are the typical handling and storage recommendations for this resin?
A: Store in a cool, dry place below 30 °C, away from direct sunlight and moisture. Keep containers tightly sealed to prevent humidity uptake, which may affect flow and curing performance. Avoid prolonged exposure to elevated temperatures prior to 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
