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Designed for high-gloss, durable powder coatings with excellent flow and leveling.
Offers balanced reactivity for broad curing window—compatible with standard epoxy resins (e.g., GMA-functional acrylics) in hybrid systems.
Delivers outstanding weather resistance and UV stability, suitable for outdoor architectural applications.
Low melt viscosity enables smooth film formation and reduced orange peel, even on complex geometries.
Consistent batch-to-batch performance with strict molecular weight control (Mw/Mn ≤ 3.0).
Architectural aluminum extrusions (curtain walls, windows, façades).
Outdoor furniture and garden equipment coatings.
Automotive non-under-hood components (wheels, trim, brackets).
Industrial metal furniture and storage systems.
Consumer electronics enclosures requiring aesthetic durability.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Homogeneous granular solid, no visible impurities |
| Acid Value (mg KOH/g) | 26–30 |
| Gardner Color (10% w/w in MEK) | ≤ 2 |
| Melt Viscosity (200 °C, Pa·s) | 15–25 |
| Gel Time (200 °C, s) | 90–120 (with 5% triglycidyl isocyanurate) |
| Primary Applications | Hybrid (polyester–epoxy) and pure polyester powder coatings |
Q1: What is the primary application of CRYLCOAT E 04327 in powder coatings?
A: CRYLCOAT E 04327 is a carboxyl-functional polyester resin designed for use as a binder in thermosetting powder coatings—particularly in standard and high-gloss decorative finishes for indoor and moderately demanding outdoor applications.
Q2: Which curing agents is CRYLCOAT E 04327 typically compatible with?
A: This resin is formulated to react efficiently with standard triglycidyl isocyanurate (TGIC) and TGIC-free alternatives such as β-hydroxyalkyl amides (HAA), enabling flexible formulation options aligned with regulatory and performance requirements.
Q3: How does CRYLCOAT E 04327 perform in terms of weather resistance and mechanical properties?
A: It delivers balanced UV stability and gloss retention for non-critical exterior exposure, along with good flexibility, impact resistance, and substrate adhesion—especially on pretreated steel and aluminum substrates.
Q4: Is CRYLCOAT E 04327 suitable for low-cure or energy-efficient powder coating processes?
A: Yes—it exhibits good reactivity at standard cure schedules (e.g., 180–200 °C for 10–15 minutes) and can be adapted for reduced-temperature curing through optimized formulation, though specific performance validation is recommended for each application.
Q5: What are key handling and storage recommendations for this resin?
A: Store in a cool, dry place below 30 °C in original sealed packaging; protect from moisture and direct sunlight. Once opened, minimize exposure to ambient humidity to preserve flow and reactivity characteristics during 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
