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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, cleaning agents, and mild acids.
Compatible with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Optimized molecular weight distribution for balanced reactivity and storage stability.
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 coatings requiring durability and gloss retention.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Powder (free-flowing granules) |
| Appearance | Off-white to light beige solid |
| Acid Value (mg KOH/g) | 26–30 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (180 °C, Pa·s) | 2,500–3,500 |
| Softening Point (°C, ASTM E28) | 78–84 |
| Primary Applications | High-performance TGIC-free and TGIC-based powder coatings |
Q1: What is the primary application of CRYLCOAT 2488-5 in powder coatings?
A: CRYLCOAT 2488-5 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and semi-gloss thermosetting powder coating systems, particularly where excellent flow, leveling, and mechanical durability are required.
Q2: Which crosslinkers is CRYLCOAT 2488-5 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional crosslinkers such as glycidyl ester (GMA) acrylics and triglycidyl isocyanurate (TGIC), though it is most commonly used in TGIC-free systems with alternative epoxy-based hardeners.
Q3: How does CRYLCOAT 2488-5 contribute to film formation and appearance properties?
A: Its balanced molecular weight distribution and controlled acid value support superior melt viscosity behavior during curing, resulting in enhanced flow, reduced orange peel, and consistent high-gloss or smooth matte finishes depending on formulation design.
Q4: Is CRYLCOAT 2488-5 suitable for outdoor applications?
A: Yes — it delivers good UV resistance and long-term weathering performance when properly formulated with appropriate stabilizers and pigments, making it well-suited for exterior architectural and industrial maintenance coatings.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
