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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 chemical resistance to solvents, acids, and alkalis in cured coatings.
Optimized reactivity with TGIC-free curing systems for enhanced sustainability.
Consistent batch-to-batch reproducibility ensuring reliable coating process control.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and non-structural decorative components.
Outdoor furniture and garden equipment coatings.
Consumer electronics enclosures requiring durable, aesthetic finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Powder |
| Appearance | White to off-white free-flowing powder |
| Acid Value (mg KOH/g) | 26–30 |
| Number Average Molecular Weight (Mn) | ~2,800–3,200 |
| Glass Transition Temperature (Tg, °C) | 68–72 |
| Primary Applications | TGIC-free and HAA-cured architectural and industrial powder coatings |
| Key Features | High gloss, weather durability, smooth film formation |
Q1: What is the primary application of CRYLCOAT 2433-2 in powder coatings?
A: CRYLCOAT 2433-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and durable thermosetting powder coatings—particularly for indoor and moderate outdoor applications such as office furniture, household appliances, and general metal finishing.
Q2: Is CRYLCOAT 2433-2 compatible with common crosslinkers other than TGIC?
A: Yes, it is formulated for compatibility with alternative crosslinkers including hydroxyalkyl amide (HAA) systems, enabling robust cure profiles without TGIC. Performance with specific HAA grades should be verified through formulation testing to ensure optimal flow, leveling, and mechanical properties.
Q3: How does CRYLCOAT 2433-2 contribute to film appearance and durability?
A: This resin delivers excellent gloss retention, smooth surface aesthetics, and balanced flexibility with hardness. Its molecular design supports good resistance to humidity, light exposure, and mild chemical contact—making it suitable for decorative yet functional coating systems requiring long-term visual integrity.
Q4: What are key handling and storage recommendations for this resin?
A: Store in a cool, dry place away from direct sunlight and moisture. Keep containers tightly sealed when not in use. Avoid prolonged exposure to elevated temperatures prior to processing, as premature partial curing or viscosity changes may occur. Always follow Allnex’s safety data sheet (SDS) for safe handling practices.
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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
