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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.
Good chemical resistance to solvents, detergents, and mild acids.
Optimized reactivity for efficient curing with TGIC-free or TGIC-based crosslinkers.
Low melt viscosity enabling smooth electrostatic powder coating application.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and non-under-hood components.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing requiring durability and gloss retention.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid flakes |
| Appearance | Free-flowing, homogeneous flakes |
| Acid Value (mg KOH/g) | 25–31 |
| Melt Viscosity (cP, 200°C) | 3,500–5,500 |
| Gardner Color | ≤ 3 |
| Primary Applications | High-performance TGIC and TGIC-free powder coatings |
| Key Features | Weather resistance, gloss retention, low-cure compatibility |
Q1: What is the primary application of CRYLCOAT 2818-0 in powder coatings?
A: CRYLCOAT 2818-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, weather-resistant thermosetting powder coatings—particularly for architectural and industrial metal finishing applications where excellent color retention and long-term UV stability are required.
Q2: Is CRYLCOAT 2818-0 compatible with standard epoxy-based curing agents?
A: No—CRYLCOAT 2818-0 is formulated for use with alternative crosslinkers such as β-hydroxyalkyl amides (HAA) or other TGIC-free systems. It is not intended for epoxy-polyester hybrid formulations and exhibits optimal reactivity and film properties when paired with HAA-type hardeners.
Q3: How does CRYLCOAT 2818-0 perform under accelerated weathering conditions?
A: This resin delivers robust resistance to UV exposure and moisture, supporting excellent gloss retention and minimal chalking after extended QUV and Florida exposure testing—making it suitable for exterior applications demanding multi-year durability.
Q4: What viscosity characteristics should formulators expect during extrusion and melt mixing?
A: CRYLCOAT 2818-0 exhibits moderate melt viscosity and good flow behavior, enabling efficient dispersion of pigments and additives during extrusion. Its rheology supports uniform film formation and smooth surface appearance without excessive sagging at typical cure schedules.
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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
