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

YTMS-202 Polyester Resin

YTMS-202PolyesterResinisahigh-performanceunsaturatedpolyesterresinfromYueTong’sYTMSseries,engineeredforexcellentmechanicalstrength,chemicalresistance,andfastcuringincomposites,moldings,andcastingapplications.Idealforfiberglassreinforcedplastics(FRP),itofferssuperiorwettability,lowshrinkage,andconsistentbatch-to-batchreliability.
  • ytms 202 polyester resin_a051e754
  • ytms 202 polyester resin_a051e754

Features Of YTMS-202 Polyester Resin

  1. High reactivity with standard styrene monomers for rapid gelation and efficient production cycles.

  2. Excellent mechanical strength and dimensional stability in cured composites.

  3. Good chemical resistance to dilute acids, alkalis, and common solvents at ambient temperatures.

  4. Low viscosity (25°C) enabling easy handling, impregnation, and fiber wet-out in reinforced applications.

  5. Consistent batch-to-batch performance ensured by strict in-process quality control and ISO-certified manufacturing.

Typical Applications Of YTMS-202 Polyester Resin

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

  2. Marine hulls, decks, and structural components requiring impact resistance and weatherability.

  3. Automotive body panels and under-hood components where thermal stability and surface finish are critical.

  4. Industrial grating, ductwork, and corrosion-resistant linings in wastewater infrastructure.

  5. Wind turbine blade substrates and structural cores in medium-performance composite assemblies.

Specifications Of YTMS-202 Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C)350–450 cP
Acid Value18–22 mg KOH/g
Reactive DiluentStyrene (35–40% w/w)
Gel Time (100 g, 25°C, 1.5% MEKP)12–16 minutes
Storage Stability (25°C)≥6 months in sealed container


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