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

Chang Chun ETERSET 2306 Unsaturated Polyester Resin

ChangChun ETERSET 2306 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, chemical resistance and fast gel time. Widely used in FRP laminating, casting and pultrusion, it offers excellent flow, low exotherm and consistent cure profile under ambient or elevated temperatures.
  • chang chun eterset 2306 unsaturated polyester resin_ddf0ac09
  • chang chun eterset 2306 unsaturated polyester resin_ddf0ac09

Features Of Chang Chun ETERSET 2306 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 mold filling in composite processing.

  4. Superior chemical resistance to dilute acids, alkalis, and common solvents.

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

Typical Applications Of Chang Chun ETERSET 2306 Unsaturated Polyester Resin

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

  2. Pultruded profiles including structural beams, ladder rails, and grating.

  3. Sheet molding compound (SMC) for automotive under-hood components.

  4. Centrifugally cast pipes and fittings for water and wastewater infrastructure.

  5. Marine deck components and recreational boat hull reinforcements.

Specifications Of Chang Chun ETERSET 2306 Unsaturated Polyester Resin

Chemical TypeOrthophthalic unsaturated polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow transparent liquid
Viscosity (25°C, mPa·s)250–350
Gel Time (with 1.0% MEKP, 25°C, min)12–18
Solid Content (wt%)99.5–100.0
Density (25°C, g/cm³)1.12–1.15
Reactive DiluentStyrene (35–40 wt%)


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