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High-solids, low-VOC unsaturated polyester resin designed for demanding gel coat and laminating applications.
Excellent thixotropic control and sag resistance for vertical and overhead application without filler settling.
Fast ambient-cure kinetics with good green strength development, enabling efficient production cycles.
Superior weatherability and UV resistance when combined with appropriate pigments and additives.
Consistent batch-to-batch performance and high reproducibility in composite manufacturing processes.
Fiberglass-reinforced plastic (FRP) gel coats for marine hulls and decks.
Architectural cladding and façade panels requiring long-term color retention.
Transportation components including bus fronts, train interiors, and trailer skins.
Industrial tanks and corrosion-resistant linings for chemical containment.
Wind turbine blade fairings and non-structural composite parts.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | Gel coats, laminating resins, topcoats |
| Key Features | High solids, low VOC, excellent thixotropy, fast ambient cure |
| Recommended Catalyst | MEKP (methyl ethyl ketone peroxide), 0.8–1.2% w/w |
| Storage Conditions | Store below 30°C in tightly closed containers; avoid prolonged exposure to light and moisture |
| Shelf Life | 6 months from date of manufacture under recommended storage conditions |
Q1: What is the primary function of SETAPOLL SP365 in coating formulations?
A: SETAPOLL SP365 is a reactive polyester resin designed to act as a crosslinker or co-resin in thermosetting systems, enhancing hardness, chemical resistance, and film integrity—particularly in high-performance industrial and coil coatings.
Q2: Is SETAPOLL SP365 suitable for low-VOC or solvent-reduced systems?
A: Yes, it is formulated to support reduced-solvent and low-VOC coating architectures due to its relatively low inherent volatility and compatibility with reactive diluents and high-solids polyester or acrylic blends.
Q3: How does SETAPOLL SP365 perform in terms of cure speed and temperature sensitivity?
A: It exhibits good reactivity under standard thermal cure conditions (typically 140–200 °C), offering balanced pot life and rapid network formation when paired with conventional catalysts such as blocked isocyanates or melamine formaldehydes.
Q4: Can SETAPOLL SP365 be used in food-contact compliant coatings?
A: While SETAPOLL SP365 is not inherently restricted for food-contact use, final regulatory compliance depends on the full formulation—including catalysts, additives, and curing conditions—and must be verified by the formulator against applicable regional requirements.
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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
