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High-gloss, excellent clarity and color retention in cured coatings.
Good compatibility with melamine-formaldehyde crosslinkers for thermosetting applications.
Optimized viscosity for spray and coil coating processes without excessive solvent demand.
Robust chemical resistance to aliphatic hydrocarbons and mild cleaning agents.
Consistent batch-to-batch performance supported by Allnex’s stringent quality control.
Prefinished metal coatings for architectural cladding and roofing panels.
Coil coatings requiring high durability and long-term weatherability.
Appliance finishes for refrigerators, ovens, and washing machines.
General industrial maintenance coatings for metal substrates.
Can coatings for non-food-contact metal packaging.
| Chemical Type | Saturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Thermosetting coil, can, and appliance coatings |
| Key Features | High gloss, good flow, UV stability |
| Benefits | Enhanced film formation, low VOC potential, excellent substrate adhesion |
| Recommended Crosslinker | High-alpha methylol melamine resins |
| Storage Conditions | Store in original sealed container at 15–25 °C; protect from freezing and direct sunlight |
Q1: What is the primary application area for SETAL 26-3705?
A: SETAL 26-3705 is a solvent-based unsaturated polyester resin designed primarily for high-performance coil coating and industrial maintenance coatings, where excellent gloss retention, flexibility, and resistance to weathering and chemical exposure are required.
Q2: Is SETAL 26-3705 compatible with common crosslinkers used in coil coating systems?
A: Yes, it is formulated to react efficiently with melamine-formaldehyde resins and other amino crosslinkers commonly employed in baked coil coating systems, delivering robust film formation and crosslink density under standard cure schedules.
Q3: How does SETAL 26-3705 perform in terms of UV stability and outdoor durability?
A: As a saturated polyester backbone with optimized structural features, SETAL 26-3705 provides inherently good UV resistance and long-term gloss and color retention in exterior applications—particularly when combined with appropriate UV absorbers and HALS stabilizers in the final formulation.
Q4: Can SETAL 26-3705 be used in low-VOC formulations?
A: While supplied in solvent-based form, SETAL 26-3705 can be incorporated into reformulated systems targeting reduced VOC content—e.g., via partial solvent replacement with reactive diluents or integration into hybrid solvent/water-reducible architectures—subject to compatibility and performance validation.
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E-mail: wangxingqiang@ericwchem.com
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