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

Chang Chun ETERSET 2318 Unsaturated Polyester Resin

ChangChun ETERSET 2318 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, chemical resistance, and fast gel time—ideal for FRP laminating, casting, and pultrusion applications with excellent flow and low exotherm.
  • chang chun eterset 2318 unsaturated polyester resin_b5089ce5
  • chang chun eterset 2318 unsaturated polyester resin_b5089ce5

Features Of Chang Chun ETERSET 2318 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

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

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

  4. Balanced reactivity enabling reliable gel time control under ambient and elevated temperature conditions.

  5. Superior weather resistance and UV stability when formulated with appropriate additives.

Typical Applications Of Chang Chun ETERSET 2318 Unsaturated Polyester Resin

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

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

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

  4. Industrial grating, ducting, and corrosion-resistant piping systems.

  5. Wind turbine blade structural reinforcements and nacelle housings.

Specifications Of Chang Chun ETERSET 2318 Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (bisphenol-A fumarate based)
Product FormLiquid
AppearanceClear to pale yellow viscous liquid
Viscosity (25°C, mPa·s)350–450
Acid Value (mg KOH/g)12–16
Gel Time (with 1% MEKP at 25°C, min)18–25
Solid Content (% w/w)99.5–100.0
Styrene Content (% w/w)38–42


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