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High-gloss, smooth film formation with excellent flow and leveling.
Outstanding weather resistance and UV stability for long-term outdoor performance.
Excellent compatibility with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Good mechanical properties including hardness, flexibility, and impact resistance.
Low melt viscosity enabling efficient electrostatic spray application and high transfer efficiency.
Architectural aluminum extrusions for curtain walls and window frames.
Automotive exterior trim and under-hood components requiring durable finishes.
Outdoor furniture and garden equipment coatings.
General industrial metal finishing for appliances and HVAC units.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Free-flowing white to off-white powder |
| Appearance | Uniform granular powder |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color | ≤ 2 |
| Melt Viscosity (Pa·s at 200 °C) | 4,500–6,500 |
| Softening Point (°C, ASTM E28) | 78–84 |
| Primary Applications | High-performance TGIC-free and TGIC-based thermosetting powder coatings |
Q1: What is the primary application of CRYLCOAT 1692-0 in powder coating systems?
A: CRYLCOAT 1692-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, exterior-grade powder coatings—commonly applied to architectural aluminum extrusions, façade elements, and outdoor metal furniture where long-term UV resistance and color retention are critical.
Q2: Is CRYLCOAT 1692-0 compatible with standard epoxy-based curing agents?
A: No—CRYLCOAT 1692-0 is formulated for use with alternative crosslinkers such as hydroxyalkyl amide (HAA) or beta-hydroxyalkylamide systems, not conventional epoxy resins. Its carboxyl functionality enables efficient reaction with HAA-type hardeners to deliver full cure at typical powder coating bake schedules (e.g., 180–200 °C for 10–20 minutes).
Q3: How does CRYLCOAT 1692-0 contribute to weatherability in finished coatings?
A: This resin features a saturated aliphatic backbone and optimized monomer composition that enhances resistance to UV degradation, chalking, and gloss loss under prolonged outdoor exposure—making it suitable for demanding exterior applications without requiring additional UV stabilizers in many standard formulations.
Q4: Can CRYLCOAT 1692-0 be blended with other polyester resins to modify performance?
A: Yes—formulators may blend CRYLCOAT 1692-0 with complementary carboxyl-functional polyesters to fine-tune properties such as flow, leveling, mechanical toughness, or curing response—though compatibility and final film performance should be verified through small-scale trials and accelerated weathering tests.
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E-mail: wangxingqiang@ericwchem.com
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