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

Chan Chem EL-5500K Polyester Resin

ChanChemEL-5500KPolyesterResinisahigh-performance,low-viscosityunsaturatedpolyesterresinfromChanChem’sELseries,engineeredforcomposites,casting,andlaminatingapplicationsexhibitingexcellentmechanicalstrength,chemicalresistance,andcureconsistencywithperoxidedinitiators.
  • chan chem el 5500k polyester resin_4547640c
  • chan chem el 5500k polyester resin_4547640c

Features Of Chan Chem EL-5500K Polyester Resin

  1. High reactivity with standard MEKP catalysts for rapid room-temperature gelation.

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

  3. Low styrene emission profile, supporting improved workplace air quality and regulatory compliance.

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

  5. Consistent batch-to-batch performance validated via in-house QC testing and ISO 9001-controlled manufacturing.

Typical Applications Of Chan Chem EL-5500K Polyester Resin

  1. Fiberglass-reinforced plastic (FRP) tanks and secondary containment systems.

  2. Industrial corrosion-resistant piping and ductwork linings.

  3. Marine deck and hull laminates requiring high moisture resistance.

  4. Transportation components including truck body panels and bus interior parts.

  5. Custom-molded architectural cladding and decorative façade elements.

Specifications Of Chan Chem EL-5500K Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C)350–450 mPa·s (Brookfield RV-DV2T, spindle #3, 20 rpm)
Gel Time (with 1.0% MEKP, 25°C)12–16 minutes
Styrene Content38–42 wt%
Reactive DiluentStyrene
Storage Stability6 months at ≤25°C in sealed, original container


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