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High-solids, low-viscosity unsaturated polyester resin for improved application efficiency and reduced VOC emissions.
Excellent compatibility with standard styrene monomers and common free-radical initiators.
Offers balanced mechanical strength and surface hardness in cured laminates.
Good thixotropic response when formulated with fumed silica or other rheology modifiers.
Consistent batch-to-batch performance ensured by Allnex’s stringent quality control protocols.
Fiberglass-reinforced plastic (FRP) components for transportation and infrastructure.
Marine hulls, decks, and structural panels requiring dimensional stability and moisture resistance.
Industrial tanks and chemical containment systems with moderate corrosion resistance requirements.
Pultruded profiles for construction, electrical insulation, and utility applications.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow, homogeneous liquid |
| Primary Applications | FRP laminating, pultrusion, and centrifugal casting |
| Key Features | High solids content, low styrene demand, good flow and wet-out |
| Benefits | Improved productivity, lower emissions, enhanced fiber impregnation |
| Storage Stability | ≥6 months at 20–25 °C in sealed original container |
| Recommended Styrene Content | 30–35 wt% (based on total formulation) |
Q1: What is the primary function of SETAPOLL SP295 in coating formulations?
A: SETAPOLL SP295 is a reactive polyester resin designed to serve as a crosslinker or co-resin in thermosetting systems—particularly in high-solids and low-VOC coil and can coatings—enhancing film hardness, flexibility, and chemical resistance without requiring external catalysts.
Q2: Is SETAPOLL SP295 compatible with common amino resins like melamine-formaldehyde?
A: Yes, SETAPOLL SP295 is formulated for compatibility with standard melamine-formaldehyde crosslinkers and demonstrates good reactivity under conventional baking conditions, supporting balanced cure profiles and improved overbake resistance.
Q3: How does SETAPOLL SP295 contribute to VOC reduction in industrial coatings?
A: As a medium-to-high molecular weight polyester with low volatility and no added solvents, SETAPOLL SP295 enables formulators to increase solids content while maintaining viscosity control—supporting compliance with evolving VOC regulations without compromising application performance.
Q4: Can SETAPOLL SP295 be used in food-contact coatings?
A: SETAPOLL SP295 is intended for industrial protective coatings and is not pre-approved for direct food-contact applications. Its suitability for such uses requires full formulation evaluation—including migration testing and regulatory review—by the end-user in accordance with applicable local food safety frameworks.
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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
