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

Chang Chun ETERSET 2307 Unsaturated Polyester Resin

ChangChun ETERSET 2307 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for excellent mechanical strength, chemical resistance, and fast room-temperature curing. Widely used in FRP tanks, pipes, and marine laminates, it offers low viscosity, superior gloss retention, and consistent batch-to-batch quality—ideal for demanding composite applications requiring durability and process efficiency.
  • chang chun eterset 2307 unsaturated polyester resin_b0464b96
  • chang chun eterset 2307 unsaturated polyester resin_b0464b96

Features Of Chang Chun ETERSET 2307 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

  2. Good balance of reactivity and pot life for reliable processing in open-mold and RTM applications.

  3. Superior resistance to water, alkalis, and mild acids in cured form.

  4. Low styrene emission profile, supporting improved workplace safety and regulatory compliance.

  5. Consistent batch-to-batch performance with strict quality control under ISO 9001 certified manufacturing.

Typical Applications Of Chang Chun ETERSET 2307 Unsaturated Polyester Resin

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

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

  3. Industrial corrosion-resistant ducting and scrubber systems.

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

  5. Architectural cladding, façade elements, and decorative molded products.

Specifications Of Chang Chun ETERSET 2307 Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (orthophthalic-based)
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C)350–450 mPa·s
Gel Time (1% MEKP, 25°C)12–18 minutes
Reactive DiluentStyrene (~38–42 wt%)
Density (25°C)1.06–1.08 g/cm³
Acid Value16–20 mg KOH/g


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