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

Chang Chun ETERSET 2475 Unsaturated Polyester Resin

ChangChun ETERSET 2475 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, chemical resistance, and rapid room-temperature curing—ideal for FRP composites, marine gelcoats, and industrial laminates requiring excellent flow and low styrene emission.
  • chang chun eterset 2475 unsaturated polyester resin_6e14269f
  • chang chun eterset 2475 unsaturated polyester resin_6e14269f

Features Of Chang Chun ETERSET 2475 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

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

  3. Balanced reactivity for reliable gel time control in ambient and elevated temperature processing.

  4. Low viscosity for enhanced fiber wet-out and improved mold filling in composites manufacturing.

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

Typical Applications Of Chang Chun ETERSET 2475 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. Transportation parts such as truck body panels and railway interior components.

  4. Industrial grating, ductwork, and corrosion-resistant linings.

  5. Precision-cast architectural cladding and decorative molded products.

Specifications Of Chang Chun ETERSET 2475 Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (orthophthalic-based)
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C)250–350 mPa·s (Brookfield, spindle #3, 20 rpm)
Solid Content99.5–100 wt%
Acid Value18–22 mg KOH/g
Gel Time (with 1.0% MEKP, 25°C)12–18 minutes
Density (25°C)1.07–1.09 g/cm³


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