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High-solids, low-viscosity unsaturated polyester resin for efficient processing and reduced VOC emissions.
Excellent compatibility with standard styrene monomers and common free-radical initiators.
Superior mechanical strength and dimensional stability in cured composites.
Good weather resistance and UV stability for outdoor applications.
Consistent batch-to-batch performance supporting reliable industrial scale-up.
Fiberglass-reinforced plastic (FRP) tanks and pipes for chemical storage and transport.
Marine hulls, decks, and structural components requiring high impact resistance.
Automotive under-hood components and exterior body panels.
Wind turbine blade matrices and structural fairings.
Architectural cladding, façade panels, and decorative precast elements.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | FRP, marine, automotive, wind energy, construction |
| Key Features | High solids, low viscosity, excellent mechanical properties |
| Benefits | Improved processability, reduced styrene emission, enhanced composite durability |
| Storage Stability | ≥6 months at 25 °C in sealed original container |
| Recommended Styrene Content | 30–35 wt% (for standard cure systems) |
Q1: What is the primary function of SETAPOLL SP361 in coating formulations?
A: SETAPOLL SP361 is a reactive polyester resin designed to act as a crosslinker or co-resin in thermosetting systems—particularly in high-performance coil and can coatings—where it contributes to enhanced flexibility, corrosion resistance, and bake performance without requiring external catalysts.
Q2: Is SETAPOLL SP361 compatible with common industrial resins like acrylics or epoxies?
A: Yes, SETAPOLL SP361 demonstrates good compatibility with standard acrylic, epoxy, and melamine-formaldehyde resins used in metal packaging and coil coating applications. Compatibility should be verified experimentally in the final formulation due to sensitivity to polarity, molecular weight, and acid value.
Q3: How does SETAPOLL SP361 perform under typical curing conditions for metal coatings?
A: SETAPOLL SP361 is formulated for efficient cure at standard metal coating bake temperatures—typically between 140 °C and 200 °C—enabling rapid crosslinking while maintaining substrate adhesion and film integrity on tinplate, TFS, and aluminum substrates.
Q4: Can SETAPOLL SP361 be used in food-contact compliant coating systems?
A: SETAPOLL SP361 is intended for use in coatings where regulatory compliance is achieved through the full formulated system—not by individual components alone. It has been successfully incorporated into food-can coating systems meeting relevant global food-contact requirements when combined with approved monomers, crosslinkers, and additives—and validated via finished-product testing.
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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
