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High-gloss, excellent flow and leveling for premium aesthetic finishes.
Outstanding overbake resistance suitable for demanding industrial curing cycles.
Good chemical resistance and durability in outdoor and indoor applications.
Compatible with standard TGIC and TGIC-free curing agents for flexible formulation design.
Consistent batch-to-batch performance ensuring reliable powder coating production.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing for appliances and machinery.
| Chemical Type | Carboxyl-functional saturated polyester resin |
| Product Form | White to off-white free-flowing powder |
| Appearance | Granular, homogeneous particles |
| Acid Value (mg KOH/g) | 35–41 |
| Gel Time (180°C, sec) | 80–120 |
| Melt Viscosity (190°C, Pa·s) | 3,000–5,000 |
| Softening Point (°C) | 72–80 |
| Primary Applications | Standard and high-performance thermosetting powder coatings |
Q1: What is the primary application of CRYLCOAT 2440-2 in powder coatings?
A: CRYLCOAT 2440-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, decorative powder coating systems—particularly where excellent flow, leveling, and UV resistance are required, such as for indoor and semi-outdoor architectural and general industrial applications.
Q2: Which curing agents is CRYLCOAT 2440-2 typically formulated with?
A: This resin is compatible with standard epoxy-functional curing agents used in TGIC-free systems, including glycidyl ester (GMA) acrylics and multifunctional epoxy resins. Formulation selection depends on desired reactivity, storage stability, and final film performance requirements.
Q3: How does CRYLCOAT 2440-2 contribute to film appearance and durability?
A: It delivers outstanding gloss retention, smooth surface aesthetics, and good mechanical properties—including flexibility and impact resistance—due to its balanced molecular weight distribution and optimized acid value. Its structure supports robust crosslinking density without excessive brittleness.
Q4: Is CRYLCOAT 2440-2 suitable for low-cure or energy-efficient powder formulations?
A: Yes—it can be formulated for reduced-cure conditions (e.g., 160–180 °C for 10–20 minutes), though optimal cure schedule should be validated experimentally based on specific formulation, film thickness, and substrate type.
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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
