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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 mechanical properties including hardness, flexibility and impact resistance.
Optimized reactivity for efficient curing with TGIC-free or low-TGIC powder coating systems.
Consistent batch-to-batch quality and reliable processing behavior in extrusion and grinding.
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 finishing requiring durable, decorative finishes.
Appliance housings exposed to ambient or semi-outdoor conditions.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid chips |
| Appearance | Free-flowing granular solid at room temperature |
| Acid Value (mg KOH/g) | 26–30 |
| Gardner Color (10% w/w in MEK) | ≤ 2 |
| Melt Viscosity (200 °C, Pa·s) | 35–55 |
| Softening Point (°C, ASTM E28) | 78–84 |
| Primary Applications | TGIC-free and low-TGIC architectural & industrial powder coatings |
Q1: What is the primary application of CRYLCOAT 1781-0 in powder coatings?
A: CRYLCOAT 1781-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and durable thermosetting powder coatings—particularly for indoor architectural and general industrial applications where excellent flow, leveling, and mechanical performance are required.
Q2: Is CRYLCOAT 1781-0 compatible with common curing agents used in powder coatings?
A: Yes, it is formulated to be compatible with standard epoxy-functional crosslinkers such as glycidyl ester-based systems (e.g., Primid XL-552), enabling robust cure profiles and good storage stability in finished powder formulations.
Q3: How does CRYLCOAT 1781-0 contribute to film appearance and surface properties?
A: It delivers excellent melt viscosity control and low melt elasticity, supporting superior flow and leveling. This results in smooth, high-gloss finishes with minimal orange peel and strong resistance to cratering or pinholing during cure.
Q4: What handling and storage conditions are recommended for this resin?
A: Store in original sealed packaging at temperatures between 5 °C and 30 °C, away from direct sunlight and moisture. Avoid prolonged exposure to elevated temperatures or humidity to maintain optimal reactivity and shelf life.
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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
