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Designed for high-gloss, durable powder coatings with excellent flow and leveling.
Offers outstanding weather resistance and UV stability for outdoor applications.
Provides balanced reactivity for wide processing window in extrusion and curing.
Delivers excellent mechanical properties including impact resistance and flexibility.
Compatible with standard TGIC and hydroxyalkylamide (HAA) curing agents.
Architectural aluminum profiles and curtain wall systems.
Outdoor furniture and garden equipment.
Agricultural and construction machinery components.
Street lighting fixtures and traffic infrastructure.
Consumer electronics enclosures requiring decorative, durable finishes.
| Chemical Type | Carboxyl-functional saturated polyester |
| Product Form | Pale yellow to light amber solid flakes |
| Appearance | Free-flowing, homogeneous flakes |
| Acid Value (mg KOH/g) | 27–33 |
| Gardner Color | ≤ 3 |
| Melt Viscosity (Pa·s, 180 °C) | 3,500–5,500 |
| Softening Point (°C, Ring & Ball) | 78–84 |
| Moisture Content (wt %) | ≤ 0.2 |
Q1: What is the primary application of CRYLCOAT 1631-0 in powder coatings?
A: CRYLCOAT 1631-0 is a carboxyl-functional polyester resin specifically designed for use in TGIC-free, high-gloss, and semi-gloss thermosetting powder coating systems, particularly where excellent flow, leveling, and long-term weather resistance are required.
Q2: Is CRYLCOAT 1631-0 compatible with standard epoxy curing agents?
A: Yes — it is formulated to react efficiently with conventional epoxy crosslinkers such as glycidyl trimethyl ammonium chloride (GTMA) or other epoxy-functional co-resins, enabling robust cure profiles at typical powder coating bake schedules (e.g., 180–200 °C for 10–20 minutes).
Q3: How does CRYLCOAT 1631-0 perform under UV exposure and outdoor conditions?
A: As a high-purity, low-chloride polyester resin with optimized aromatic/aliphatic balance, it delivers strong UV stability and gloss retention in exterior applications, making it suitable for architectural and general industrial coatings exposed to prolonged sunlight and moisture.
Q4: Can CRYLCOAT 1631-0 be blended with other polyester resins to modify performance?
A: Yes — it is commonly blended with complementary carboxyl-functional polyesters to fine-tune flexibility, cure speed, or mechanical properties, though compatibility and final film performance should be verified through small-scale formulation trials.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
