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High-gloss, excellent flow and leveling for smooth, defect-free cured films.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to household cleaners, mild acids, and alkalis.
Optimized reactivity with TGIC-free curing systems, supporting sustainable powder coating formulations.
Consistent melt viscosity and narrow molecular weight distribution for reliable extrusion and spray behavior.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Lighting fixtures and streetlamp housings.
Residential and commercial metal façade panels.
| Chemical Type | Carboxyl-functional aromatic polyester |
| Product Form | Pale yellow to light amber solid flakes |
| Appearance | Free-flowing, homogeneous flakes |
| Acid Value (mg KOH/g) | 28–32 |
| Number Average Molecular Weight (Mn) | ~2,200–2,600 g/mol |
| Glass Transition Temperature (Tg, °C) | 68–72 |
| Softening Point (°C) | 75–82 (ring-and-ball method) |
| Primary Applications | TGIC-free and TGIC-containing weather-resistant powder coatings |
Q1: What is the primary application of CRYLCOAT 2401-2 in powder coatings?
A: CRYLCOAT 2401-2 is a carboxyl-functional polyester resin designed for use in TGIC-free and HAA-cured thermosetting powder coating systems, particularly where high gloss, excellent flow, and good mechanical properties are required — commonly applied in architectural, general industrial, and appliance finishes.
Q2: How does CRYLCOAT 2401-2 perform in terms of weather resistance and UV stability?
A: As a high-purity, low-viscosity polyester resin with optimized molecular structure, CRYLCOAT 2401-2 delivers enhanced outdoor durability and UV resistance when formulated with appropriate stabilizers and pigments — supporting long-term gloss retention and color stability in exterior applications.
Q3: Is CRYLCOAT 2401-2 compatible with common crosslinkers used in powder coatings?
A: Yes — it is specifically engineered for compatibility with hydroxyalkyl amide (HAA) crosslinkers such as Primid XL-552 and related alternatives, and also demonstrates reliable reactivity with TGIC and other epoxy-functional curing agents depending on formulation goals.
Q4: What are the recommended storage conditions to maintain resin performance?
A: Store in original sealed containers in a cool, dry, and well-ventilated area away from direct sunlight and sources of heat or ignition. Avoid prolonged exposure to moisture or temperature fluctuations above 35 °C to preserve viscosity and acid value stability.
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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
