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High-solids, low-viscosity unsaturated polyester resin for improved application efficiency and reduced VOC emissions.
Excellent mechanical strength and impact resistance in cured composites.
Good compatibility with standard peroxide initiators and common fillers/fibers (e.g., glass fiber, calcium carbonate).
Consistent batch-to-batch performance ensured by Allnex’s stringent quality control protocols.
Optimized reactivity profile for reliable gel time control in open-mold and spray-up processes.
Fiberglass-reinforced plastic (FRP) tanks and vessels for chemical storage.
Marine components including boat hulls, decks, and structural panels.
Transportation parts such as truck body panels and bus interior trim.
Architectural cladding, decorative profiles, and corrosion-resistant ducting.
Industrial grating, trench covers, and pultruded structural shapes.
| Chemical Type | Unsaturated Polyester Resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow, homogeneous liquid |
| Solids Content (wt%) | ≈ 99.5% |
| Viscosity (mPa·s, 25°C) | 250–450 |
| Density (g/cm³, 25°C) | 1.12–1.16 |
| Reactivity Profile | Medium-reactive (standard MEKP-curable) |
| Primary Applications | Open-mold, spray-up, and filament winding FRP manufacturing |
Q1: What is the primary function of SETAPOLL SP033 in coating formulations?
A: SETAPOLL SP033 is a reactive polyester resin designed to act as a crosslinker or co-resin in thermosetting systems—particularly in high-performance powder coatings and UV-curable coatings—where it contributes to enhanced film hardness, flexibility, and chemical resistance without requiring external catalysts.
Q2: Is SETAPOLL SP033 compatible with common epoxy and acrylic resins?
A: Yes, SETAPOLL SP033 demonstrates good compatibility with standard epoxy-based curing agents and acrylic co-resins used in decorative and functional powder coatings. Its molecular structure supports homogeneous blending and efficient crosslinking under typical cure schedules (e.g., 180–200 °C for 10–20 minutes).
Q3: How should SETAPOLL SP033 be handled and stored to maintain stability?
A: Store in tightly sealed containers under dry, cool conditions (below 30 °C) and protect from moisture and direct sunlight. Prolonged exposure to humidity may lead to viscosity increase or premature reactivity; therefore, it is recommended to use within 12 months of receipt when stored properly.
Q4: Can SETAPOLL SP033 be used in food-contact compliant coating systems?
A: SETAPOLL SP033 is not pre-qualified for food-contact applications. Formulators intending to use it in such systems must conduct full regulatory evaluation—including migration testing and compliance verification against applicable regional frameworks—as final approval depends on the complete formulation, substrate, and intended use conditions.
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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
