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Highly crosslinkable solid saturated polyester with excellent compatibility in thermosetting powder coating systems.
Outstanding gloss retention and weather resistance due to fully saturated backbone and low aromatic content.
Optimized melt viscosity for smooth film formation and excellent flow/leveling in curing cycles.
Low volatile organic content (VOC-free), supporting sustainable powder coating formulations.
Consistent batch-to-batch reproducibility and high thermal stability during extrusion and curing.
Exterior architectural powder coatings for aluminum façades and curtain walls.
Automotive non-structural components such as trim, brackets, and under-hood parts.
General industrial metal finishing for appliances, furniture, and office equipment.
Functional coatings requiring long-term UV stability and corrosion protection.
Hybrid epoxy-polyester powder coatings for enhanced chemical resistance and mechanical performance.
| Chemical Type | Solid saturated polyester resin |
| Product Form | Pale yellow to light amber free-flowing granules |
| Appearance | Homogeneous granular solid at room temperature |
| Glass Transition Temperature (Tg) | 68–72 °C (DSC, 10 °C/min) |
| Acid Value | 24–28 mg KOH/g |
| Hydroxyl Value | 3–5 mg KOH/g |
| Melt Viscosity (at 160 °C) | 3,500–4,500 mPa·s (capillary rheometer) |
| Softening Point (Ring & Ball) | 75–80 °C |
Q1: What is the primary application of DYNAPOL L210 in powder coating formulations?
A: DYNAPOL L210 is primarily used as a low-viscosity, solid saturated polyester resin in thermosetting powder coatings—especially for decorative and functional topcoats requiring excellent gloss retention, weather resistance, and smooth film formation.
Q2: Which curing agents is DYNAPOL L210 typically compatible with?
A: It is formulated to react efficiently with standard triglycidyl isocyanurate (TGIC) and hydroxyalkylamide (HAA) crosslinkers, offering flexibility for both TGIC-based and TGIC-free powder coating systems.
Q3: How does DYNAPOL L210 contribute to storage stability in powder coatings?
A: Its high purity, narrow molecular weight distribution, and controlled acid value help minimize premature reaction during storage, supporting extended shelf life and consistent flow behavior under typical warehouse conditions.
Q4: Is DYNAPOL L210 suitable for indoor or outdoor applications—or both?
A: Due to its saturated backbone and optimized structural design, it delivers balanced performance for both indoor and outdoor applications, particularly where long-term UV stability, chalking resistance, and color retention are required.
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E-mail: wangxingqiang@ericwchem.com
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