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High-gloss, excellent flow and leveling for premium aesthetic finishes.
Outstanding UV resistance and long-term color stability in outdoor applications.
Good chemical resistance to household cleaners, mild solvents, and humidity.
Optimized for TGIC-free powder coating formulations with balanced reactivity.
Consistent batch-to-batch performance and reliable curing behavior at standard oven conditions.
Architectural aluminum extrusions for façades and curtain walls.
Outdoor furniture and garden equipment coatings.
Automotive non-critical exterior trim components.
Electrical enclosures and street furniture requiring durable weather protection.
General industrial metal parts exposed to moderate environmental stress.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Homogeneous granular solid |
| Acid Value (mg KOH/g) | 32–36 |
| Gardner Color (10% in MEK) | ≤ 2 |
| Melt Viscosity (180°C, Pa·s) | 3.5–5.0 |
| Gel Time (180°C, s) | 70–90 |
| Primary Applications | TGIC-free outdoor powder coatings |
Q1: What is the primary application of CRYLCOAT 2489-5 in powder coatings?
A: CRYLCOAT 2489-5 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free and HAA-cured architectural and industrial powder coating systems, offering excellent flow, gloss retention, and weather resistance.
Q2: How does CRYLCOAT 2489-5 perform under outdoor exposure conditions?
A: This resin delivers robust UV stability and long-term chalking resistance when formulated with appropriate pigments and stabilizers, making it well-suited for exterior applications requiring high durability and color consistency.
Q3: Is CRYLCOAT 2489-5 compatible with standard curing agents used in polyester-based powder coatings?
A: Yes — it is fully compatible with common hydroxyalkyl amide (HAA) crosslinkers and exhibits good reactivity and storage stability in formulations containing them. Compatibility with alternative co-reactants should be verified through small-scale testing.
Q4: What are the recommended handling and storage conditions for this resin?
A: Store in a cool, dry place away from direct sunlight and sources of heat or ignition. Keep containers tightly sealed to prevent moisture uptake and degradation. Avoid prolonged exposure to elevated ambient temperatures during storage.
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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
