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High-gloss, excellent flow and leveling for premium surface finish.
Outstanding UV resistance and long-term color stability in outdoor applications.
Good chemical resistance to solvents, household cleaners, and mild acids.
Optimized reactivity for efficient curing with triglycidyl isocyanurate (TGIC) or hydroxyalkyl amide (HAA) hardeners.
Consistent batch-to-batch reproducibility meeting stringent quality control standards.
Architectural aluminum extrusions for façades and curtain walls.
Automotive trim and decorative exterior components.
Outdoor furniture and garden equipment coatings.
Appliance housings requiring durable, weather-resistant finishes.
General industrial metal parts exposed to moderate environmental stress.
| Chemical Type | Carboxyl-functional saturated polyester resin |
| Product Form | Free-flowing white to off-white powder |
| Appearance | Homogeneous granular powder |
| Acid Value (mg KOH/g) | 26–30 |
| Gel Time (200 °C, seconds) | 80–120 (with 5% TGIC) |
| Particle Size Distribution (D50, µm) | 30–40 |
| Softening Point (°C) | 75–85 |
| Volatile Content (wt%) | <0.3 |
Q1: What is the primary application of CRYLCOAT 1703-1 in powder coatings?
A: CRYLCOAT 1703-1 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and durable thermosetting powder coatings—particularly for indoor architectural and general industrial applications where excellent flow, leveling, and mechanical performance are required.
Q2: Which curing agents is CRYLCOAT 1703-1 compatible with?
A: This resin is formulated to react efficiently with standard epoxy-functional hardeners such as glycidyl ester-based crosslinkers (e.g., Primid® XL-552), enabling robust cure profiles at typical powder coating bake temperatures (160–200 °C).
Q3: How does CRYLCOAT 1703-1 contribute to film appearance and durability?
A: It delivers outstanding gloss retention, smooth surface aesthetics, and strong resistance to chipping, scratching, and chemical exposure—making it well-suited for applications demanding long-term visual and functional integrity under moderate environmental stress.
Q4: Is CRYLCOAT 1703-1 suitable for outdoor applications?
A: While primarily optimized for indoor use, it can be employed in sheltered or semi-outdoor environments; however, for prolonged UV exposure and severe weathering, Allnex recommends higher-UV-stable resins such as those in the CRYLCOAT 2000 series.
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E-mail: wangxingqiang@ericwchem.com
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