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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, acids, and alkalis in cured coatings.
Optimized reactivity for efficient curing with TGIC-free crosslinkers.
Low viscosity enables high-solids formulation and improved application efficiency.
Architectural aluminum extrusions and curtain wall systems.
Automotive exterior trim and non-structural body components.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing requiring durable decorative finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Powder (free-flowing granular solid) |
| Appearance | White to off-white free-flowing powder |
| Acid Value (mg KOH/g) | 28–34 |
| Gel Time (200 °C, s) | 90–130 |
| Tg (°C, DSC, onset) | 68–74 |
| Primary Applications | High-performance TGIC-free powder coatings |
| Key Features | Weather-resistant, high-gloss, low-cure-energy formulation |
Q1: What is the primary application of CRYLCOAT 1716-1 in powder coating systems?
A: CRYLCOAT 1716-1 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, exterior-grade thermosetting powder coatings—commonly applied to architectural aluminum, façade components, and outdoor metal furniture.
Q2: Is CRYLCOAT 1716-1 compatible with standard epoxy-based curing agents?
A: No—CRYLCOAT 1716-1 is formulated for use with hydroxyalkylamide (HAA) crosslinkers, not epoxy resins. Its carboxyl functionality enables efficient reaction with HAA systems to deliver excellent weather resistance and mechanical performance without TGIC.
Q3: How does CRYLCOAT 1716-1 perform under UV exposure and humid conditions?
A: As part of a fully optimized HAA-cured system, CRYLCOAT 1716-1 contributes to outstanding long-term UV stability and resistance to chalking, gloss retention, and corrosion under cyclic humidity and salt-spray conditions—making it suitable for demanding exterior applications.
Q4: Can CRYLCOAT 1716-1 be blended with other polyester resins to modify film properties?
A: Yes—blending with complementary carboxyl-functional polyesters (e.g., higher-acid-value or lower-Tg grades) is a common formulation strategy to fine-tune flexibility, flow behavior, or cure response, provided compatibility and stoichiometric balance with the HAA crosslinker are maintained.
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E-mail: wangxingqiang@ericwchem.com
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