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High-solids, low-viscosity unsaturated polyester resin for improved application efficiency and reduced VOC emissions.
Excellent mechanical properties including high tensile strength and impact resistance after curing.
Good compatibility with standard styrene monomers and common accelerators/initiators used in FRP processing.
Consistent batch-to-batch performance ensuring reliable process control in industrial manufacturing.
Optimized for ambient and elevated temperature cure systems, supporting flexible production scheduling.
Fiberglass-reinforced plastic (FRP) tanks and vessels for chemical storage and handling.
Corrosion-resistant piping systems in water treatment and industrial process environments.
Marine components including boat hulls, decks, and structural panels requiring durability and weather resistance.
Automotive under-hood components and composite body parts where thermal stability and dimensional integrity are critical.
Wind turbine blade substructures and nacelle enclosures demanding high stiffness-to-weight ratio.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | FRP laminates, filament winding, spray-up, and centrifugal casting |
| Key Features | High reactivity, low shrinkage, excellent wet-out of glass fibers |
| Benefits | Reduced cycle times, improved surface finish, enhanced corrosion resistance |
| Styrene Content (typ.) | 38–42 wt% |
| Storage Stability | 6 months at 25°C in original sealed container |
Q1: What is the primary function of SETAPOLL SP075 in polyester resin systems?
A: SETAPOLL SP075 is a reactive diluent and viscosity modifier designed to reduce the viscosity of unsaturated polyester resins without significantly compromising reactivity or final mechanical performance. It participates in the free-radical curing process and becomes part of the crosslinked network.
Q2: Is SETAPOLL SP075 suitable for low-VOC or high-solids formulations?
A: Yes — as a low-volatility, reactive monomer, SETAPOLL SP075 supports VOC reduction strategies and enables higher solids content in polyester-based coatings, gel coats, and composite resins while maintaining workable rheology and cure kinetics.
Q3: How does SETAPOLL SP075 compare to styrene in terms of handling and safety?
A: SETAPOLL SP075 has a higher boiling point and lower vapor pressure than styrene, resulting in reduced inhalation exposure risk and improved workplace handling characteristics. It also exhibits lower skin sensitization potential compared to many conventional vinyl monomers.
Q4: Can SETAPOLL SP075 be used in food-contact or potable water applications?
A: SETAPOLL SP075 is not pre-approved for direct food-contact or potable water applications. Its suitability for such uses depends on full formulation evaluation, end-use conditions, and compliance with relevant regional regulatory frameworks — users must conduct appropriate testing and verification.
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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
