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High-gloss, excellent flow and leveling for premium aesthetic finish.
Outstanding UV resistance and long-term color stability in outdoor applications.
Good chemical resistance to solvents, household cleaners, and mild acids.
Optimized for high-transfer efficiency and low-film-build electrostatic powder coating.
Consistent batch-to-batch performance with reliable reactivity in TGIC-cured systems.
Architectural aluminum extrusions (curtain walls, window frames, façades).
Outdoor furniture and garden equipment coatings.
Automotive trim and non-under-hood decorative components.
Appliance housings requiring durable, weather-resistant finishes.
Lighting fixtures and street furniture exposed to ambient conditions.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white granular solid |
| Appearance | Granules, homogeneous particle size distribution |
| Acid Value (mg KOH/g) | 27–31 |
| Gardner Color | ≤ 2 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Hydroxyl Value (mg KOH/g) | < 5 |
| Primary Applications | TGIC-cured architectural and industrial powder coatings |
Q1: What is the primary application of CRYLCOAT 2500-2 in powder coating systems?
A: CRYLCOAT 2500-2 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, exterior-grade thermosetting powder coatings—particularly where excellent weather resistance, mechanical durability, and smooth film formation are required.
Q2: Which curing agents is CRYLCOAT 2500-2 typically crosslinked with?
A: It is commonly formulated with hydroxyalkyl amide (HAA) hardeners to deliver TGIC-free systems. It may also be used with alternative low-toxicity crosslinkers compatible with carboxyl-terminated polyesters, depending on performance and regulatory requirements.
Q3: How does CRYLCOAT 2500-2 contribute to exterior durability in powder coatings?
A: Its molecular structure provides strong resistance to UV degradation and hydrolytic cleavage, supporting long-term gloss retention, color stability, and chalking resistance when properly formulated and cured—making it suitable for architectural and industrial applications exposed to harsh outdoor conditions.
Q4: Is CRYLCOAT 2500-2 compatible with common flow and leveling additives?
A: Yes—it demonstrates good compatibility with standard acrylic flow agents, silicone-based leveling aids, and degassing agents used in polyester-based powder systems. Optimal additive selection should be verified through small-scale formulation trials to ensure desired appearance and surface properties.
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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
