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

Chang Chun ETERSET 2422 Unsaturated Polyester Resin

ChangChun ETERSET 2422 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 shrinkage, and consistent cure profile under ambient or elevated temperatures.
  • chang chun eterset 2422 unsaturated polyester resin_908c1eaf
  • chang chun eterset 2422 unsaturated polyester resin_908c1eaf

Features Of Chang Chun ETERSET 2422 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

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

  3. Low viscosity for easy handling, improved fiber wet-out, and enhanced moldability.

  4. Consistent batch-to-batch performance ensured by strict quality control in Chang Chun’s ISO-certified production facilities.

  5. Optimized reactivity profile for balanced gel time and full cure development in ambient and elevated temperature processes.

Typical Applications Of Chang Chun ETERSET 2422 Unsaturated Polyester Resin

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

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

  3. Industrial corrosion-resistant piping systems and ductwork.

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

  5. Wind turbine blade structural reinforcements and nacelle enclosures.

Specifications Of Chang Chun ETERSET 2422 Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (orthophthalic-based)
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow viscous liquid
Viscosity (25°C, mPa·s)350–450
Solid Content (% w/w)62–66
Acid Value (mg KOH/g)18–22
Gel Time (at 25°C with 1% MEKP)12–18 minutes
Styrene Content (% w/w)38–42


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