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High-gloss, excellent flow and leveling for smooth, defect-free cured films.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Good chemical resistance to solvents, acids, and household cleaners.
Optimized for TGIC-free curing systems, supporting sustainable powder coating formulations.
Consistent batch-to-batch reproducibility and broad processing window in extrusion and curing.
Architectural aluminum profiles for façades, windows, and curtain walls.
Outdoor furniture and garden equipment requiring durable decorative finishes.
Automotive exterior trim and non-under-hood components.
General industrial metal parts exposed to moderate environmental stress.
Whitegoods and home appliance housings demanding high aesthetics and durability.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Granular solid, free of lumps and foreign particles |
| Primary Applications | Standard and super-durable TGIC-free powder coatings |
| Key Features | High gloss, excellent weatherability, good mechanical properties |
| Benefits | Reduced VOC, enhanced UV resistance, consistent film formation |
| Acid Value (mg KOH/g) | 30–34 |
| Glass Transition Temperature (°C) | 68–72 |
Q1: What is the primary application of CRYLCOAT 2441-2 in powder coatings?
A: CRYLCOAT 2441-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, decorative powder coating systems—particularly where excellent flow, leveling, and UV resistance are required, such as for indoor and moderately exposed outdoor architectural and general industrial applications.
Q2: Is CRYLCOAT 2441-2 compatible with standard epoxy-based curing agents?
A: No—CRYLCOAT 2441-2 is formulated for use with triglycidyl isocyanurate (TGIC) or alternative TGIC-free crosslinkers such as hydroxyalkyl amide (HAA) systems. It is not intended for epoxy-cured systems, which require glycidyl-functional polyesters.
Q3: How does CRYLCOAT 2441-2 perform under weathering conditions?
A: This resin delivers good long-term gloss retention and color stability in accelerated weathering tests (e.g., QUV and xenon arc), making it suitable for exterior applications with moderate exposure. Performance depends on full formulation—including pigments, additives, and crosslinker selection—as well as film thickness and curing parameters.
Q4: What are the recommended curing conditions for coatings based on CRYLCOAT 2441-2?
A: Typical curing involves 180–200 °C for 10–20 minutes, depending on part mass, oven type, and crosslinker loading. Optimal conditions should be confirmed through DSC analysis and practical bake trials to ensure full cure and desired mechanical/chemical performance.
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E-mail: wangxingqiang@ericwchem.com
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