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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, acids, and alkalis in cured powder coatings.
Optimized reactivity with TGIC-free curing agents for low-cure, energy-efficient baking.
Consistent batch-to-batch reproducibility and low volatile organic content (VOC-free).
Architectural aluminum extrusions for façades and window frames.
Outdoor furniture and garden equipment requiring durable decorative finishes.
Agricultural and construction machinery components exposed to harsh environments.
Street lighting fixtures and traffic infrastructure elements.
Consumer electronics enclosures demanding high-end appearance and corrosion protection.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing, homogeneous granules |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (Pa·s @ 180 °C) | 3,500–4,500 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Primary Applications | TGIC-free and HAA-cured architectural and industrial powder coatings |
Q1: What is the primary application of CRYLCOAT 2627-3 in powder coatings?
A: CRYLCOAT 2627-3 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and hybrid powder coating systems, where it delivers excellent flow, leveling, and mechanical performance—particularly in indoor architectural and general industrial applications.
Q2: Is CRYLCOAT 2627-3 compatible with standard epoxy resins in hybrid formulations?
A: Yes, CRYLCOAT 2627-3 is formulated to be fully compatible with conventional bisphenol-A based epoxy resins in 50:50 or 60:40 (polyester:epoxy) hybrid systems, supporting good cure response and balanced chemical resistance.
Q3: How does CRYLCOAT 2627-3 perform under outdoor exposure conditions?
A: While not optimized for long-term UV stability like high-end superdurable polyesters, CRYLCOAT 2627-3 offers moderate weather resistance suitable for sheltered or interior-facing exterior applications; extended direct UV exposure may lead to gradual gloss reduction and chalking over time.
Q4: What are typical curing conditions when using this resin?
A: CRYLCOAT 2627-3 is engineered for standard thermal cure profiles—commonly 180–200 °C for 10–20 minutes—depending on film thickness, substrate type, and crosslinker selection.
Q5: Can CRYLCOAT 2627-3 be used in low-bake or energy-efficient formulations?
A: It is not specifically designed for low-bake applications; achieving full cure below 160 °C typically requires formulation adjustments—including alternative catalysts or reactive diluents—which may affect final film properties and should be validated experimentally.
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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
