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

Chang Chun ETERSET 2862 Unsaturated Polyester Resin

ChangChun ETERSET 2862 is a high-performance unsaturated polyester resin from ChangChun’s ETERSET series, engineered for superior mechanical strength, chemical resistance and fast curing in fiberglass-reinforced composites, marine coatings and industrial laminates—ideal for demanding structural applications requiring excellent flow and low shrinkage.
  • chang chun eterset 2862 unsaturated polyester resin_f56a44a1
  • chang chun eterset 2862 unsaturated polyester resin_f56a44a1

Features Of Chang Chun ETERSET 2862 Unsaturated Polyester Resin

  1. Excellent mechanical strength and dimensional stability after curing.

  2. Good compatibility with standard styrene monomers and common free-radical initiators.

  3. Low viscosity for enhanced fiber wet-out and improved processability in RTM and hand lay-up operations.

  4. Superior chemical resistance to water, dilute acids, and alkalis under ambient conditions.

  5. Consistent batch-to-batch performance meeting ISO 9001-certified manufacturing standards.

Typical Applications Of Chang Chun ETERSET 2862 Unsaturated Polyester Resin

  1. Fiberglass-reinforced plastic (FRP) tanks and vessels for industrial corrosion protection.

  2. Composite panels and structural profiles for building and construction applications.

  3. Marine components including boat hulls, decks, and fairings.

  4. Transportation parts such as truck body panels and bus interior trim.

  5. Electrical insulation components requiring flame-retardant formulations (when compounded with ATH).

Specifications Of Chang Chun ETERSET 2862 Unsaturated Polyester Resin

Chemical TypeUnsaturated polyester resin (bisphenol-A/fumaric acid modified)
Product FormLiquid, ready-to-use solution
AppearanceClear, pale yellow to amber viscous liquid
Viscosity (25°C)350–450 mPa·s (Brookfield DV-II+ @ 20 rpm)
Solid Content≈99.5% (non-volatile)
Acid Value18–22 mg KOH/g
Gel Time (100 g + 1% MEKP at 25°C)12–16 minutes
Primary ApplicationsFRP laminating, casting, and pultrusion


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