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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, cleaning agents, and mild acids.
Compatible with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Consistent batch-to-batch reproducibility and low volatile organic content (VOC).
Architectural aluminum extrusions for façades and curtain walls.
Automotive exterior trim and non-structural decorative components.
Outdoor furniture and garden equipment coatings.
Electrical enclosures and industrial housings requiring durable finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Powder (free-flowing granules) |
| Appearance | White to off-white free-flowing powder |
| Acid Value (mg KOH/g) | 28–32 |
| Gardner Color | ≤ 2 |
| Melt Viscosity (Pa·s at 200 °C) | 1500–2500 |
| Particle Size Distribution (D50, µm) | 30–40 |
| Storage Stability (25 °C, 6 months) | No caking or agglomeration observed |
Q1: What is the primary application of CRYLCOAT 2443-3 in powder coating systems?
A: CRYLCOAT 2443-3 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 2443-3 typically crosslinked with?
A: It is formulated to react efficiently with standard epoxy-functional hardeners such as glycidyl ester or triglycidyl isocyanurate (TGIC-free) co-reactants, enabling robust cure profiles across conventional and low-temperature baking conditions.
Q3: How does CRYLCOAT 2443-3 perform under UV exposure and outdoor weathering?
A: As part of a well-balanced powder formulation, it delivers strong resistance to chalking, gloss retention loss, and color shift when exposed to natural and accelerated UV/weathering conditions—making it suitable for architectural and industrial applications requiring long-term exterior performance.
Q4: Is CRYLCOAT 2443-3 compatible with common flow and leveling additives used in powder coatings?
A: Yes—it demonstrates good compatibility with widely used acrylic, silicone, and polyacrylate-based flow modifiers, as well as benzoin and other degassing agents, supporting consistent melt behavior and defect-free film appearance.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
