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Designed for high-gloss, durable powder coatings with excellent flow and leveling.
Offers balanced reactivity for broad curing window compatibility with standard TGIC and HAA crosslinkers.
Delivers outstanding weather resistance and UV stability in outdoor architectural applications.
Provides low melt viscosity for enhanced substrate coverage and reduced film defects.
Complies with key regulatory requirements including REACH and RoHS (non-phthalate, lead-free).
Architectural aluminum extrusions for façades and curtain walls.
Outdoor furniture and garden equipment coatings.
Automotive non-critical exterior components (e.g., trim, wheels, grilles).
Industrial metal furniture and storage systems.
General-purpose decorative and protective powder coatings for steel and aluminum substrates.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pellets |
| Appearance | Off-white to light yellow, free-flowing pellets |
| Acid Value (mg KOH/g) | 26–30 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (Pa·s @ 200 °C) | 2,500–3,500 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | High-performance outdoor powder coatings |
Q1: What is the primary application of CRYLCOAT E 04487 in powder coatings?
A: CRYLCOAT E 04487 is a carboxyl-functional polyester resin designed for use as a binder in TGIC-free, high-gloss, and weather-resistant thermosetting powder coatings—particularly suited for architectural and general industrial applications requiring excellent UV stability and mechanical performance.
Q2: Which curing agents is CRYLCOAT E 04487 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional hardeners such as glycidyl ester or triglycidyl isocyanurate (TGIC-free) crosslinkers, enabling robust film formation without reliance on hazardous curing systems.
Q3: How does CRYLCOAT E 04487 contribute to powder coating storage stability?
A: Its carefully balanced acid value and molecular weight distribution support good shelf life under recommended storage conditions, minimizing premature agglomeration and maintaining consistent flow behavior during extrusion and application.
Q4: Can CRYLCOAT E 04487 be blended with other resins to modify performance?
A: Yes—it exhibits good compatibility with selected acrylic and other polyester resins, allowing formulators to fine-tune properties such as gloss retention, flexibility, or cure response, provided compatibility testing is conducted prior to full-scale production.
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E-mail: wangxingqiang@ericwchem.com
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