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

Chang Chun ETERSET 2320 Unsaturated Polyester Resin

ChangChun ETERSET 2320 is a high-performance unsaturated polyester resin from ChangChun Group’s ETERSET series, engineered for superior mechanical strength, chemical resistance, and rapid room-temperature curing. Widely used in FRP tanks, pipes, and marine composites, it offers excellent flow, low shrinkage, and reliable laminating properties with styrene compatibility.
  • chang chun eterset 2320 unsaturated polyester resin_e03b55b3
  • chang chun eterset 2320 unsaturated polyester resin_e03b55b3

Features Of Chang Chun ETERSET 2320 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

  2. Good compatibility with standard MEKP initiators and low-profile additives.

  3. Low viscosity for enhanced fiber wet-out and improved processability in RTM and hand lay-up.

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

  5. Consistent batch-to-batch performance ensured by Chang Chun’s stringent quality control system.

Typical Applications Of Chang Chun ETERSET 2320 Unsaturated Polyester Resin

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

  2. Marine hulls, decks, and structural components.

  3. Automotive body panels and under-hood composite parts.

  4. Wind turbine blade shells and nacelle covers.

  5. Architectural cladding, translucent roofing, and decorative panels.

Specifications Of Chang Chun ETERSET 2320 Unsaturated Polyester Resin

Chemical TypeOrthophthalic unsaturated polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow viscous liquid
Viscosity (25°C, mPa·s)350–450
Gel Time (with 1.0% MEKP, 25°C, min)18–25
Solid Content (% w/w)99.5–100.0
Density (25°C, g/cm³)1.12–1.16
Reactive DiluentStyrene (35–40% w/w)


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