Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Chang Chun ETERSET 2342 Unsaturated Polyester Resin

ChangChun ETERSET 2342 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, chemical resistance, and fast room-temperature curing. Widely used in FRP composites, marine laminates, and industrial casting, it offers excellent flow, low shrinkage, and consistent gel time control.
  • chang chun eterset 2342 unsaturated polyester resin_df9484f5
  • chang chun eterset 2342 unsaturated polyester resin_df9484f5

Features Of Chang Chun ETERSET 2342 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

  2. Good compatibility with standard MEKP initiators and low-viscosity reactive diluents.

  3. High reactivity enabling fast gel time and efficient production cycle times.

  4. Superior weather resistance and UV stability for outdoor applications.

  5. Low styrene emission formulation supporting improved workplace safety and regulatory compliance.

Typical Applications Of Chang Chun ETERSET 2342 Unsaturated Polyester Resin

  1. Fiberglass-reinforced plastic (FRP) tanks and chemical storage vessels.

  2. Pultruded profiles for structural and architectural components.

  3. Sheet molding compound (SMC) for automotive body panels and industrial enclosures.

  4. Centrifugal casting of pipes and ducts in corrosion-resistant infrastructure.

  5. Hand lay-up and spray-up fabrication of marine hulls and decks.

Specifications Of Chang Chun ETERSET 2342 Unsaturated Polyester Resin

Chemical TypeOrthophthalic unsaturated polyester resin
Product FormLiquid, homogeneous solution
AppearanceClear 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


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