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High-gloss, smooth film formation with excellent flow and leveling.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Excellent chemical resistance to solvents, acids, and household cleaners.
Optimized reactivity for efficient curing with standard triglycidyl isocyanurate (TGIC) hardeners.
Low viscosity enables high-solids formulations and improved powder transfer efficiency.
Architectural aluminum extrusions for curtain walls and façades.
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
Industrial metal furniture and shelving systems.
Electrical enclosures and street lighting housings.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white powder |
| Appearance | Free-flowing granular solid |
| Acid Value (mg KOH/g) | 27–31 |
| Gel Time (at 200°C, seconds) | 80–110 |
| Tg (°C, DSC) | 68–72 |
| Primary Applications | Exterior-grade TGIC-cured powder coatings |
| Key Features | Weather durability, gloss retention, mechanical toughness |
Q1: What is the primary application of CRYLCOAT 2420-5 in powder coatings?
A: CRYLCOAT 2420-5 is a carboxyl-functional polyester resin designed for use in TGIC-free, high-gloss, decorative powder coating systems—particularly where excellent flow, leveling, and UV resistance are required for indoor and limited outdoor applications.
Q2: Is CRYLCOAT 2420-5 compatible with standard epoxy-based curing agents?
A: No—CRYLCOAT 2420-5 is formulated for use with triglycidyl isocyanurate (TGIC) or alternative TGIC-free crosslinkers such as hydroxyalkyl amides (HAA), not conventional epoxy resins. Its carboxyl functionality requires matching with appropriate epoxy-equivalent crosslinkers.
Q3: How does CRYLCOAT 2420-5 contribute to film appearance and durability?
A: It delivers outstanding gloss retention, smooth surface aesthetics, and good mechanical properties—including flexibility and impact resistance—making it well-suited for architectural and general industrial substrates requiring long-term visual performance.
Q4: What handling or storage precautions should be observed?
A: Store in a cool, dry place below 30 °C in original sealed packaging to prevent moisture absorption and agglomeration. Avoid prolonged exposure to high humidity or 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
