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High-gloss, durable film formation for premium aesthetic finish.
Excellent compatibility with melamine-formaldehyde crosslinkers in thermoset coatings.
Good flow and leveling characteristics for smooth, defect-free surfaces.
Enhanced weather resistance and UV stability in outdoor applications.
Optimized acid value for balanced reactivity and pot life in baking enamel systems.
Automotive OEM and refinish topcoats.
Appliance coatings for refrigerators, ovens, and washing machines.
General metal finishing for architectural panels and façade systems.
Coil coating primers and topcoats for pre-painted steel and aluminum.
| Chemical Type | Saturated polyester resin |
| Product Form | Liquid, solvent-based |
| Appearance | Clear to pale yellow viscous liquid |
| Acid Value (mg KOH/g) | 18–22 |
| Hydroxyl Value (mg KOH/g) | 75–85 |
| Viscosity (25°C, mPa·s) | 3,000–5,000 |
| Solids Content (% w/w) | 60–65 |
| Primary Applications | Baking enamels for metal substrates |
Q1: What is the primary application area for SETAL 26-1619?
A: SETAL 26-1619 is a solvent-free, low-viscosity unsaturated polyester resin designed primarily for high-performance powder coating systems, especially where excellent flow, leveling, and mechanical durability are required in architectural and industrial metal finishing applications.
Q2: Is SETAL 26-1619 compatible with standard powder coating curing agents?
A: Yes, it is fully compatible with common aromatic and aliphatic hydroxy-functional curing agents, such as TGIC and hydroxyalkylamide (HAA) systems, and is formulated to support typical powder coating cure schedules (e.g., 180–200 °C for 10–20 minutes).
Q3: How does SETAL 26-1619 contribute to film formation and surface quality?
A: Its low melt viscosity and controlled reactivity promote uniform melt flow and efficient coalescence during curing, resulting in smooth, high-gloss finishes with excellent resistance to orange peel and cratering—particularly beneficial in thin-film and complex-part applications.
Q4: Can SETAL 26-1619 be used in weather-resistant formulations?
A: Yes, when combined with UV-stabilized pigments and appropriate light stabilizers (e.g., HALS and UV absorbers), formulations based on SETAL 26-1619 demonstrate good long-term gloss retention and chalking resistance in outdoor exposure conditions.
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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
