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High-gloss, excellent flow and leveling for premium surface aesthetics.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Excellent chemical resistance to solvents, acids, and alkaline cleaners.
Good compatibility with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Consistent batch-to-batch reproducibility and low volatile organic content (VOC).
Architectural aluminum extrusions for façades and curtain walls.
Industrial metal furniture and shelving systems.
Outdoor lighting fixtures and street furniture coatings.
Automotive trim and non-under-hood exterior components.
Appliance housings requiring durable, decorative finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Powdered solid resin |
| Appearance | White to off-white free-flowing powder |
| Acid Value (mg KOH/g) | 28–32 |
| Molecular Weight (Mn) | ~2,800–3,200 g/mol |
| Glass Transition Temperature (Tg) | 68–72 °C |
| Primary Applications | Exterior-grade thermosetting powder coatings |
| Key Features | High gloss, weather durability, chemical resistance |
Q1: What is the primary application of CRYLCOAT 2619-3 in powder coating systems?
A: CRYLCOAT 2619-3 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, exterior-grade thermosetting powder coatings—particularly where excellent weather resistance, gloss retention, and mechanical durability are required.
Q2: Which curing agents is CRYLCOAT 2619-3 typically crosslinked with?
A: This resin is formulated to react efficiently with standard epoxy-functional hardeners, including glycidyl ester-based and triglycidyl isocyanurate (TGIC) alternatives, enabling robust cure profiles across conventional and low-bake conditions.
Q3: How does CRYLCOAT 2619-3 perform under UV exposure and outdoor weathering?
A: As a high-purity, low-chloride polyester resin with optimized aromatic/aliphatic balance, it delivers strong resistance to chalking, gloss loss, and color shift when properly formulated and cured—making it suitable for long-term architectural and industrial exterior applications.
Q4: Is CRYLCOAT 2619-3 compatible with common powder coating additives and flow agents?
A: Yes—it demonstrates good compatibility with standard powder coating additives such as benzoin, degassing agents, flow modifiers, and matting agents, supporting flexible formulation design without compromising storage stability or film appearance.
Q5: What handling and storage conditions are recommended 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 humid environments, which may affect flow and electrostatic charging behavior during application.
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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
