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

Chang Chun ETERSET 2327M-2 Unsaturated Polyester Resin

ChangChun ETERSET 2327M-2 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 fiberglass-reinforced composites, marine coatings, and industrial laminates, it offers excellent flow, low styrene emission, and consistent cure behavior under ambient or elevated temperatures.
  • chang chun eterset 2327m 2 unsaturated polyester resin_bb3c3cb6
  • chang chun eterset 2327m 2 unsaturated polyester resin_bb3c3cb6

Features Of Chang Chun ETERSET 2327M-2 Unsaturated Polyester Resin

  1. Excellent balance of mechanical strength and impact resistance for demanding composite applications.

  2. Low styrene emission formulation supporting improved workplace safety and regulatory compliance.

  3. Good compatibility with common glass fiber reinforcements and standard curing systems (MEKP, cobalt accelerators).

  4. Consistent viscosity and reactivity profile enabling reliable processing in spray-up, hand lay-up, and centrifugal casting.

  5. Enhanced weatherability and UV resistance when combined with appropriate surface veils or topcoats.

Typical Applications Of Chang Chun ETERSET 2327M-2 Unsaturated Polyester Resin

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

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

  3. Industrial grating, ducting, and corrosion-resistant process equipment.

  4. Automotive under-hood components and lightweight structural parts.

  5. Architectural cladding, roofing panels, and decorative FRP profiles.

Specifications Of Chang Chun ETERSET 2327M-2 Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (orthophthalic-based)
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C, mPa·s)280–360
Gel Time (with 1.0% MEKP, 25°C, min)18–24
Reactive DiluentStyrene (~38–42 wt%)
Density (25°C, g/cm³)1.11–1.14
Acid Value (mg KOH/g)16–22


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