English
Español
tiếng việt
русский
High-gloss, smooth film formation with excellent flow and leveling.
Optimized for TGIC-free curing systems, supporting sustainable powder coating formulations.
Excellent mechanical properties including impact resistance and flexibility (mandrel bend ≤ 2 mm).
Good chemical resistance to solvents, household cleaners, and mild acids.
Consistent batch-to-batch performance and reliable reactivity in standard curing cycles (180–200 °C, 10–20 min).
Architectural aluminum profiles for windows, doors, and façades.
Outdoor furniture and garden equipment coatings.
Appliance housings requiring durable, weather-resistant finishes.
General industrial metal components exposed to moderate environmental stress.
Light commercial fixtures and signage substrates.
| Chemical Type | Carboxyl-functional aromatic/aliphatic polyester |
| Product Form | Free-flowing granular solid |
| Appearance | Off-white to light beige granules |
| Acid Value (mg KOH/g) | 27–31 |
| Gel Time (180 °C, s) | 80–120 |
| Melt Viscosity (160 °C, Pa·s) | 3.5–5.5 |
| Primary Applications | TGIC-free architectural and industrial powder coatings |
| Key Features | High gloss, outdoor durability, low-cure reactivity |
Q1: What is the primary application of CRYLCOAT E 04339 in powder coatings?
A: CRYLCOAT E 04339 is a carboxyl-functional polyester resin designed for use as a binder 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 E 04339 typically compatible with?
A: It is formulated to react efficiently with standard epoxy-functional crosslinkers such as glycidyl ester (GMA) acrylics or triglycidyl isocyanurate (TGIC), and is also suitable for use with alternative non-TGIC hardeners like hydroxyalkyl amides (HAA), depending on the desired performance profile and regulatory requirements.
Q3: How does CRYLCOAT E 04339 contribute to weatherability in finished coatings?
A: As a saturated, aromatic-aliphatic polyester, it offers strong UV stability and hydrolytic resistance—key attributes for maintaining gloss retention, color stability, and chalking resistance during long-term outdoor exposure.
Q4: Is CRYLCOAT E 04339 suitable for low-cure or energy-efficient powder coating processes?
A: Yes—it exhibits good reactivity at standard cure schedules (e.g., 180–200 °C for 10–20 minutes), and can be adapted for lower-temperature curing through formulation optimization with reactive accelerators or complementary resins—though specific process parameters should be validated per end-use requirement.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
