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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 electrostatic spray transfer efficiency and consistent film build.
Designed for low-cure powder coatings—enables curing at 180 °C / 20 min or 160 °C / 30 min.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Outdoor furniture and garden equipment coatings.
Agricultural and construction machinery components.
Residential and commercial fencing and railings.
Light industrial enclosures and street furniture.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing, uniform granules |
| Acid Value (mg KOH/g) | 25–31 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (Pa·s, 190 °C) | 4,000–6,000 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | Standard-cure and low-cure TGIC-free powder coatings |
Q1: What is the primary application of CRYLCOAT 2687-2 in powder coating systems?
A: CRYLCOAT 2687-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and weather-durable thermosetting powder coatings—particularly for architectural and industrial metal substrates requiring excellent UV resistance and long-term color retention.
Q2: Which curing agents is CRYLCOAT 2687-2 typically crosslinked with?
A: This resin is formulated to react efficiently with standard epoxy-functional hardeners such as glycidyl ester or triglycidyl isocyanurate (TGIC alternatives), enabling robust cure profiles at typical powder coating bake temperatures (180–200 °C for 10–20 minutes).
Q3: How does CRYLCOAT 2687-2 support sustainability goals in powder coating formulations?
A: As a TGIC-free resin, it supports safer handling and regulatory compliance in regions restricting hazardous crosslinkers. Its high reactivity and low melt viscosity also contribute to energy-efficient processing and reduced overspray waste—key enablers for sustainable manufacturing practices.
Q4: What are the key film properties delivered by coatings based on CRYLCOAT 2687-2?
A: Coatings formulated with this resin exhibit outstanding exterior durability—including superior gloss retention, chalking resistance, and mechanical performance (e.g., flexibility, impact resistance, and pencil hardness) after accelerated weathering exposure.
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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
