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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.
Excellent chemical resistance to solvents, cleaning agents, and mild acids.
Good compatibility with TGIC and TGIC-free curing agents in powder coating systems.
Consistent melt viscosity enabling reliable extrusion and spray application.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and under-hood components.
Outdoor furniture and garden equipment coatings.
Electrical enclosures and industrial metal housings.
| 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) | 26–30 |
| Gardner Color | ≤ 2 |
| Melt Viscosity (Pa·s at 180 °C) | 45–65 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Moisture Content (% w/w) | ≤ 0.2 |
Q1: What is the primary application of CRYLCOAT 1787-1 in powder coatings?
A: CRYLCOAT 1787-1 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and durable thermosetting powder coatings—particularly for indoor and moderate outdoor applications such as office furniture, household appliances, and architectural interior components.
Q2: Which crosslinkers is CRYLCOAT 1787-1 compatible with?
A: This resin is formulated to react efficiently with common epoxy-functional crosslinkers, including glycidyl ester types (e.g., Primid XL-552), and demonstrates good compatibility with alternative TGIC-free hardeners used in premium decorative powder systems.
Q3: How does CRYLCOAT 1787-1 contribute to film formation and mechanical performance?
A: Its balanced molecular weight distribution and controlled acid value support excellent melt viscosity control during extrusion and curing, resulting in smooth, high-gloss films with strong substrate adhesion, good flexibility, and resistance to chipping and impact under standard cure conditions.
Q4: Is CRYLCOAT 1787-1 suitable for low-cure or energy-efficient powder coating processes?
A: While optimized for conventional cure schedules (e.g., 180–200 °C for 10–20 minutes), CRYLCOAT 1787-1 can be adapted to lower-temperature curing through formulation adjustments—such as pairing with reactive accelerators or modified crosslinkers—though full qualification requires system-specific testing.
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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
