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Excellent mechanical strength and dimensional stability after curing.
Good compatibility with standard MEKP initiators and low-viscosity reactive diluents.
High reactivity enabling fast gel time and efficient production cycle times.
Superior weather resistance and UV stability for outdoor applications.
Low styrene emission formulation supporting improved workplace safety and regulatory compliance.
Fiberglass-reinforced plastic (FRP) tanks and chemical storage vessels.
Pultruded profiles for structural and architectural components.
Sheet molding compound (SMC) for automotive body panels and industrial enclosures.
Centrifugal casting of pipes and ducts in corrosion-resistant infrastructure.
Hand lay-up and spray-up fabrication of marine hulls and decks.
| Chemical Type | Orthophthalic unsaturated polyester resin |
| Product Form | Liquid, homogeneous solution |
| Appearance | Clear to pale yellow viscous liquid |
| Viscosity (25°C, mPa·s) | 450–650 |
| Gel Time (with 1.0% MEKP, 25°C, min) | 8–12 |
| Styrene Content (wt%) | 38–42 |
| Solid Content (wt%) | 99.5 min |
| Storage Stability (25°C, months) | 6 |
Q1: What are the primary end-use applications for ETERSET 2342?
A: ETERSET 2342 is commonly employed in fiberglass-reinforced plastic (FRP) applications such as corrosion-resistant tanks, pipes, and structural profiles, as well as in sheet molding compound (SMC) and bulk molding compound (BMC) formulations for automotive and industrial components.
Q2: How does ETERSET 2342 compare to standard orthophthalic resins in terms of mechanical performance?
A: ETERSET 2342 offers enhanced toughness and improved flexural strength relative to conventional orthophthalic resins, attributed to its modified molecular structure and optimized crosslink density—making it particularly suitable for applications requiring dimensional stability under thermal or mechanical stress.
Q3: Which initiators and accelerators are typically recommended for curing ETERSET 2342?
A: The resin is compatible with standard organic peroxide initiators such as methyl ethyl ketone peroxide (MEKP), and may be accelerated using cobalt-based promoters. Optimal initiator dosage and cure schedule depend on ambient conditions, part thickness, and desired gel time—formulation adjustments should be validated experimentally.
Q4: Is ETERSET 2342 suitable for low-VOC or styrene-reduced formulations?
A: Yes—ETERSET 2342 demonstrates good compatibility with common reactive diluents and viscosity modifiers, supporting formulators in developing lower-styrene systems without significant compromise in reactivity or final composite properties.
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