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

Chan Chem EL-3320 Polyester Resin

ChanChemEL-3320PolyesterResinisahigh-performanceunsaturatedpolyesterresinfromtheChanChemELseries,designedforcompositesandcastingapplications.Itoffersexcellentmechanicalstrength,chemicalresistance,andlowviscosityforimprovedprocessability.IdealforFRP,fiberglassreinforcement,andindustrialmoldingwithfastcureandconsistentperformance.
  • chan chem el 3320 polyester resin_4e68478c
  • chan chem el 3320 polyester resin_4e68478c

Features Of Chan Chem EL-3320 Polyester Resin

  1. High reactivity with standard MEKP initiators for rapid room-temperature cure.

  2. Excellent thixotropic stability—minimizes sagging and drip in vertical applications.

  3. Low volatile organic compound (VOC) content, compliant with modern environmental regulations.

  4. Superior mechanical strength and impact resistance after full cure.

  5. Good compatibility with common fillers, pigments, and fiberglass reinforcements.

Typical Applications Of Chan Chem EL-3320 Polyester Resin

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

  2. Marine deck laminates and boat hull lay-up systems.

  3. Industrial corrosion-resistant linings and secondary containment structures.

  4. Wind turbine blade bonding and structural composite assemblies.

  5. Architectural cladding panels and decorative molded components.

Specifications Of Chan Chem EL-3320 Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C, mPa·s)450–650
Gel Time (with 1.0% MEKP, 25°C)12–18 minutes
Solid Content (% w/w)99.5–100.0
Density (25°C, g/cm³)1.12–1.16
Primary ApplicationsStructural FRP laminating and casting


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