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High molecular weight solid saturated polyester with excellent thermal stability.
Low volatile organic compound (VOC) content, supporting sustainable coating formulations.
Outstanding compatibility with melamine-formaldehyde and urea-formaldehyde crosslinkers.
Provides exceptional hardness, gloss retention, and chemical resistance in cured films.
Designed for high-solids and powder coating systems requiring consistent melt viscosity and flow control.
Automotive OEM and refinish topcoats requiring high durability and appearance performance.
Industrial coil coatings for pre-painted metal applications.
Powder coatings for architectural aluminum extrusions and building facades.
Appliance coatings demanding scratch resistance and long-term color stability.
General-purpose high-performance decorative and protective coatings for metal substrates.
| Chemical Type | Solid saturated polyester resin |
| Product Form | Free-flowing white to off-white granules |
| Appearance | Granular, homogeneous solid |
| Gloss (60°, 100 µm film) | ≥85 GU (after curing with melamine crosslinker) |
| Acid Value | 15–22 mg KOH/g |
| Hydroxyl Value | 30–40 mg KOH/g |
| Softening Point (Ring & Ball) | 78–85 °C |
| Weight-Average Molecular Weight (Mw) | ~8,000–10,000 g/mol |
Q1: What is the primary application domain for DYNAPOL L206?
A: DYNAPOL L206 is primarily designed for use in high-performance powder coatings, especially where excellent flow, leveling, mechanical durability, and chemical resistance are required — such as in architectural, appliance, and general industrial coating systems.
Q2: How does DYNAPOL L206 differ from unsaturated polyester resins in powder coatings?
A: Unlike unsaturated polyesters, DYNAPOL L206 is fully saturated, offering superior UV stability and reduced susceptibility to yellowing upon weathering. It also delivers enhanced hydrolytic stability and consistent reactivity with common crosslinkers like TGIC or β-hydroxyalkylamides (HAA).
Q3: Is DYNAPOL L206 compatible with standard powder coating curing agents?
A: Yes — DYNAPOL L206 is formulated for compatibility with widely used crosslinkers including triglycidyl isocyanurate (TGIC) and hydroxyl-functional HAA-type hardeners. Its carboxyl functionality ensures predictable gel time and full cure under typical powder coating conditions.
Q4: What handling precautions should be observed during storage and processing?
A: Store in a cool, dry place below 30 °C in original sealed packaging to prevent moisture uptake and agglomeration. During extrusion, avoid excessive melt temperatures or residence time to preserve molecular integrity and ensure optimal film formation.
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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
