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Highly stable solid saturated polyester resin with excellent thermal and hydrolytic resistance.
Low viscosity melt suitable for efficient extrusion and powder coating formulation.
Excellent compatibility with triglycidyl isocyanurate (TGIC) and other common curing agents.
Consistent batch-to-batch performance ensured by Evonik’s stringent quality control.
Free from volatile organic compounds (VOCs), supporting sustainable powder coating systems.
Architectural aluminum profiles for durable exterior coatings.
Appliance housings requiring high gloss, weather resistance, and scratch performance.
Automotive non-critical exterior components (e.g., trim, grilles).
Industrial metal furniture and shelving systems.
General-purpose functional powder coatings for indoor and semi-outdoor use.
| Chemical Type | Solid saturated polyester resin |
| Product Form | Pale yellow to light amber granules |
| Appearance | Free-flowing solid granules |
| Acid Value (mg KOH/g) | 24–28 |
| Gardner Color (10% solution in MIBK) | ≤ 3 |
| Melt Viscosity (160 °C, Pa·s) | 4–6 |
| Softening Point (°C, Ring & Ball) | 78–82 |
| Moisture Content (wt. %) | ≤ 0.15 |
Q1: What is the primary application area for DYNAPOL L208?
A: DYNAPOL L208 is primarily used as a reactive binder and film-forming component in high-performance powder coatings, especially for architectural, industrial, and appliance applications requiring excellent gloss retention, weather resistance, and mechanical durability.
Q2: How does DYNAPOL L208 differ from unsaturated polyester resins in powder coating formulations?
A: Unlike unsaturated polyesters, DYNAPOL L208 is fully saturated, offering superior UV stability and reduced susceptibility to yellowing or chalking during outdoor exposure. Its solid, non-volatile nature supports low-fume processing and contributes to high crosslink density when cured with appropriate curing agents such as TGIC or hydroxyalkyl amides.
Q3: Is DYNAPOL L208 compatible with common powder coating curing agents?
A: Yes, DYNAPOL L208 is specifically designed for compatibility with standard powder coating crosslinkers, including triglycidyl isocyanurate (TGIC), β-hydroxyalkyl amides (HAA), and certain epoxy-functional resins. Compatibility and cure response should be verified experimentally within the target formulation system.
Q4: What are the recommended storage conditions for DYNAPOL L208?
A: Store in original unopened packaging in a cool, dry place below 30 °C, protected from moisture and direct sunlight. Prolonged exposure to elevated temperatures or humidity may affect flow behavior and long-term stability.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
