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

Chang Chun ETERSET 2343 Unsaturated Polyester Resin

ChangChunETERSET2343isahigh-performanceunsaturatedpolyesterresinfromChangChun’sETERSETseries,designedforcompositesandcastingapplications.Itoffersexcellentmechanicalstrength,chemicalresistance,andcureflexibilitywithstyrenecontentoptimizedforbalancedviscosityandreactivity.Widelyusedinglassfiberreinforcedplastics,marineparts,andindustrialmoldings.
  • chang chun eterset 2343 unsaturated polyester resin_f4716bb3
  • chang chun eterset 2343 unsaturated polyester resin_f4716bb3

Features Of Chang Chun ETERSET 2343 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

  2. Good compatibility with standard styrene monomers and common fillers.

  3. Low viscosity for easy processing, including spray-up, hand lay-up, and centrifugal casting.

  4. Consistent reactivity profile enabling reliable gel time control under ambient and elevated temperatures.

  5. High chemical resistance to dilute acids, alkalis, and salt solutions in cured form.

Typical Applications Of Chang Chun ETERSET 2343 Unsaturated Polyester Resin

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

  2. Corrosion-resistant ductwork and exhaust systems in industrial HVAC applications.

  3. Marine components including boat hulls, decks, and structural panels.

  4. Transportation parts such as truck body panels and railway interior components.

  5. Industrial grating, walkways, and corrosion-resistant flooring systems.

Specifications Of Chang Chun ETERSET 2343 Unsaturated Polyester Resin

Chemical TypeUnsaturated Polyester Resin (Bisphenol-A fumarate-based)
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow transparent liquid
Viscosity (25°C, mPa·s)350–550
Solid Content (% w/w)62–66
Acid Value (mg KOH/g)18–24
Gel Time (with 1% MEKP at 25°C, min)12–20
Reactive DiluentStyrene (~38–42% by weight)


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