English
Español
tiếng việt
русский
High-solids, low-viscosity unsaturated polyester resin for efficient processing and reduced VOC emissions.
Excellent compatibility with standard styrene monomers and common accelerators used in gel coats and laminating systems.
Offers balanced mechanical strength, surface hardness, and chemical resistance after curing.
Good thixotropic response when formulated with fumed silica or modified clays for vertical application stability.
Consistent batch-to-batch performance ensured by Allnex’s stringent quality control and ISO-certified manufacturing.
Gel coats for marine vessels and recreational vehicles requiring high gloss and weather resistance.
Laminating resins for fiberglass-reinforced plastic (FRP) components in construction and transportation.
Tooling resins for mold making where dimensional stability and low exotherm are critical.
Industrial tank linings and corrosion-resistant secondary containment systems.
Cast polymer applications including terrazzo, decorative panels, and artificial stone.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Primary Applications | Gel coats, laminating, tooling, cast polymers |
| Key Features | High solids, low viscosity, good styrene compatibility |
| Benefits | Improved process efficiency, reduced VOC, consistent cure profile |
| Storage Stability | 12 months in original unopened container at 20–25°C |
| Recommended Styrene Content | 30–35 wt% (formulation-dependent) |
Q1: What is the primary function of SETAPOLL SP340 in coating formulations?
A: SETAPOLL SP340 is a solvent-free, low-viscosity unsaturated polyester resin designed primarily as a reactive diluent and crosslinking co-monomer in UV-curable and thermally cured systems. It enhances film hardness, chemical resistance, and surface cure efficiency while maintaining good compatibility with common acrylate monomers and oligomers.
Q2: Is SETAPOLL SP340 suitable for food-contact coatings?
A: SETAPOLL SP340 is not pre-qualified for direct food-contact applications. Its suitability depends on full formulation compliance with applicable regulatory frameworks (e.g., FDA 21 CFR, EU Framework Regulation (EC) No 1935/2004), final migration testing, and end-use conditions. Formulators must conduct comprehensive safety and regulatory assessments before use in food-contact coatings.
Q3: How does SETAPOLL SP340 compare to conventional acrylate monomers in terms of reactivity and shrinkage?
A: As a polyester-based reactive diluent, SETAPOLL SP340 typically exhibits lower polymerization shrinkage than highly functional acrylates and offers more balanced reactivity—supporting efficient through-cure without excessive surface inhibition. Its molecular structure contributes to improved flexibility and reduced internal stress in the cured film compared to rigid aromatic acrylates.
Q4: What storage conditions are recommended for optimal shelf life?
A: Store SETAPOLL SP340 in tightly sealed original containers under cool, dry conditions, away from direct sunlight and sources of heat or UV radiation. Prolonged exposure to elevated temperatures or ambient light may initiate premature polymerization. For best performance, use within 12 months of receipt when stored properly.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
