English
Español
tiếng việt
русский
High-gloss, excellent flow and leveling for premium surface aesthetics.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Optimized reactivity for efficient curing with standard TGIC or HAA crosslinkers.
Low melt viscosity enabling smooth extrusion and high transfer efficiency in powder coating processes.
Consistent batch-to-batch reproducibility meeting stringent OEM quality requirements.
Architectural aluminum extrusions (e.g., window frames, curtain walls).
Automotive exterior trim and non-under-hood components.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing requiring durable decorative finishes.
Consumer appliances with exposed metal surfaces demanding color retention and gloss stability.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid granules |
| Appearance | Free-flowing granular solid |
| Acid Value (mg KOH/g) | 26–30 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Gardner Color | ≤ 3 |
| Moisture Content (wt%) | < 0.2 |
| Primary Applications | Exterior-grade TGIC-free and TGIC-containing powder coatings |
Q1: What is the primary application of CRYLCOAT 4420-0 in powder coatings?
A: CRYLCOAT 4420-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, weather-resistant thermosetting powder coatings—particularly for architectural and industrial metal finishing applications requiring excellent flow, leveling, and long-term UV stability.
Q2: Which crosslinkers is CRYLCOAT 4420-0 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional crosslinkers such as glycidyl ether-based compounds (e.g., Araldite PT 810), and is also compatible with alternative non-TGIC curing systems like β-hydroxyalkylamide (HAA) resins—subject to appropriate formulation optimization and cure schedule validation.
Q3: How does CRYLCOAT 4420-0 perform under accelerated weathering conditions?
A: As a medium-to-high molecular weight, low-acid-value polyester, CRYLCOAT 4420-0 delivers robust resistance to chalking, gloss loss, and color shift during QUV-A and xenon arc exposure testing—making it suitable for exterior applications demanding extended service life and aesthetic retention.
Q4: What are key handling and storage recommendations?
A: Store in a cool, dry, well-ventilated area below 30 °C, away from direct sunlight and sources of heat or ignition. Keep containers tightly sealed to prevent moisture uptake. Under these conditions, shelf life is typically 12 months from date of manufacture when unopened.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
