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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, cleaning agents, and mild acids.
Optimized reactivity for efficient curing with triglycidyl isocyanurate (TGIC) or hydroxyalkyl amide (HAA) hardeners.
Consistent batch-to-batch reproducibility and low volatile organic content (VOC).
Architectural aluminum extrusions for curtain walls and window frames.
Automotive exterior trim and under-hood components requiring durability.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing for appliances and HVAC enclosures.
| 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) | 28–32 |
| Gel Time (200 °C, seconds) | 150–180 (with 5% TGIC) |
| Glass Transition Temperature (°C) | 68–72 |
| Primary Applications | High-performance TGIC-free and TGIC-containing powder coatings |
| Key Features | Weather resistance, gloss retention, mechanical toughness |
Q1: What is the primary application of CRYLCOAT 2629-1 in powder coating formulations?
A: CRYLCOAT 2629-1 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and durable thermosetting powder coatings—particularly suited for indoor architectural and general industrial applications where excellent flow, leveling, and mechanical performance are required.
Q2: Is CRYLCOAT 2629-1 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 (GMA) acrylics and other TGIC-free alternatives, enabling robust cure profiles across typical powder coating processing conditions.
Q3: How does CRYLCOAT 2629-1 perform regarding weather resistance and UV stability?
A: As a standard aromatic polyester, CRYLCOAT 2629-1 offers good initial gloss retention and mechanical properties but is not intended for long-term exterior exposure; for demanding outdoor applications, aliphatic polyesters or hybrid systems are typically recommended.
Q4: What are the key handling and storage recommendations for this resin?
A: Store in a cool, dry place away from direct sunlight and moisture. Keep containers tightly sealed to prevent humidity uptake, which may affect powder flow and electrostatic charging behavior during application.
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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
