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Highly weather-resistant and UV-stable for long-term outdoor performance.
Excellent gloss retention and color stability in demanding coating systems.
Good compatibility with melamine-formaldehyde crosslinkers and common solvents.
Low viscosity enables high-solids formulation with reduced VOC emissions.
Consistent batch-to-batch reproducibility meeting stringent industrial quality standards.
Automotive OEM clearcoats and topcoats.
Industrial maintenance coatings for architectural metal façades.
Coil coating systems requiring superior durability and flexibility.
Powder coating base resins for exterior-grade appliances and building components.
| Chemical Type | Saturated polyester resin |
| Product Form | Liquid, solvent-based |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | High-performance thermosetting coatings (e.g., automotive, coil, powder) |
| Key Features | UV resistance, gloss retention, crosslinker compatibility |
| Benefits | Enables low-VOC, high-durability coating formulations |
| Recommended Crosslinker | Melamine-formaldehyde resins |
| Storage Conditions | Store in sealed containers at 5–30 °C; protect from frost and direct sunlight |
Q1: What is the primary application of DYNAPOL S 1313 in coating systems?
A: DYNAPOL S 1313 is primarily used as a reactive binder in high-performance powder coatings—especially for architectural and industrial metal substrates—where excellent flow, leveling, and mechanical durability are required.
Q2: Is DYNAPOL S 1313 compatible with standard epoxy curing agents?
A: Yes, it is specifically designed for use with glycidyl-functional epoxy resins (e.g., triglycidyl isocyanurate) in TGIC-free and TGIC-containing powder coating formulations, offering balanced reactivity and storage stability.
Q3: How does DYNAPOL S 1313 contribute to weather resistance in exterior coatings?
A: As a saturated polyester resin, it provides inherent UV stability and hydrolytic resistance, supporting long-term gloss retention and chalking resistance when formulated with appropriate pigments and stabilizers for outdoor exposure.
Q4: What are typical handling and storage recommendations?
A: Store in original sealed containers in a cool, dry place away from direct sunlight and moisture. Avoid prolonged exposure to elevated temperatures before processing, as this may affect flow behavior and shelf life.
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E-mail: wangxingqiang@ericwchem.com
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