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High-solids, low-viscosity unsaturated polyester resin for improved application efficiency and reduced VOC emissions.
Excellent mechanical strength and chemical resistance after curing, especially against alkalis and diluted acids.
Good compatibility with standard peroxide initiators and styrene-based reactive diluents.
Consistent batch-to-batch performance ensured by Allnex’s stringent quality control and ISO-certified manufacturing.
Optimized for ambient and elevated temperature curing in open-mold and contact lamination processes.
Fiberglass-reinforced plastic (FRP) tanks and vessels for water treatment and chemical storage.
Corrosion-resistant linings and coatings for industrial concrete and steel substrates.
Marine components including decks, hulls, and structural panels requiring weather and hydrolysis resistance.
Transportation parts such as truck body panels, bus interiors, and rail interior trim.
Architectural cladding and façade elements requiring dimensional stability and UV durability (with appropriate topcoats).
| Chemical Type | Unsaturated orthophthalic polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Solids Content (wt%) | ≈ 68–72% |
| Viscosity at 25°C (mPa·s) | 800–1,200 |
| Density at 25°C (g/cm³) | 1.12–1.16 |
| Styrene Content (wt%) | 28–32% |
| Primary Applications | FRP laminates, corrosion-resistant coatings, marine composites |
Q1: What is the primary function of SETAPOLL SP170 in coating formulations?
A: SETAPOLL SP170 is a reactive polyester resin designed to act as a crosslinker and film-forming modifier in thermosetting coil and can coatings, enhancing hardness, flexibility, and chemical resistance without requiring external catalysts.
Q2: Is SETAPOLL SP170 compatible with common industrial resins such as melamine formaldehydes or acrylics?
A: Yes, SETAPOLL SP170 exhibits good compatibility with amino resins (e.g., high- and low-methylated melamines), epoxy-functional acrylics, and certain polyol-modified alkyds, enabling its use in hybrid baking systems for improved performance balance.
Q3: How does SETAPOLL SP170 contribute to curing performance in coil coating lines?
A: It supports efficient thermal crosslinking at standard metal coating bake temperatures (typically 200–250 °C), delivering rapid development of mechanical properties and reducing dependency on strong acid catalysts—thereby improving pot life and storage stability of formulated systems.
Q4: Can SETAPOLL SP170 be used in food-contact compliant coatings?
A: While SETAPOLL SP170 itself is not pre-approved for direct food contact, it may be incorporated into formulations that comply with relevant global food-contact regulations—subject to full system evaluation, including final cure conditions and migration testing by the formulator.
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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
