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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 coatings.
Optimized reactivity with TGIC-free curing systems for enhanced sustainability.
Consistent batch-to-batch reproducibility meeting stringent industrial quality standards.
Architectural aluminum extrusions and curtain wall systems.
Automotive trim and non-under-hood exterior components.
Outdoor furniture and garden equipment coatings.
Consumer electronics housings requiring durable decorative finishes.
Industrial metal packaging and signage requiring high-end gloss and durability.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Powder (free-flowing granules) |
| Appearance | White to off-white free-flowing powder |
| Acid Value (mg KOH/g) | 24–28 |
| Gardner Color | ≤ 2 |
| Particle Size Distribution (D50, μm) | 30–40 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Key Features | High reactivity, low melt viscosity, excellent storage stability |
Q1: What is the primary application of CRYLCOAT 2668-6 in powder coatings?
A: CRYLCOAT 2668-6 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, shelving, and general metalware.
Q2: Which crosslinkers is CRYLCOAT 2668-6 typically formulated with?
A: This resin is optimized for use with hydroxyalkylamide (HAA) crosslinkers, delivering excellent flow, leveling, and mechanical performance. It can also be used with alternative TGIC-free systems where compatibility and cure schedule alignment are confirmed through formulation testing.
Q3: How does CRYLCOAT 2668-6 perform in terms of weather resistance and UV stability?
A: As a standard aromatic polyester, CRYLCOAT 2668-6 offers good durability for interior applications and limited exterior exposure. For extended UV resistance or severe weathering, aliphatic polyesters or acrylic-based systems are recommended instead.
Q4: What are the typical handling and storage recommendations for this resin?
A: Store in a cool, dry place away from direct sunlight and moisture. Keep containers tightly sealed when not in use. Avoid prolonged exposure to elevated temperatures prior to processing, as this may affect flow behavior 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
