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

YTMS-201 Polyester Resin

YTMS-201 Polyester Resin is a high-performance, styrene-modified unsaturated polyester resin from the YTMS Series by Yantai Mingxin Chemical. Designed for fiberglass-reinforced composites, it offers excellent mechanical strength, fast curing, low viscosity, and superior weather resistance—ideal for marine, automotive, and construction applications.
  • ytms 201 polyester resin_6298eeb7
  • ytms 201 polyester resin_6298eeb7

Features Of YTMS-201 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 resistance to water, alkalis, and diluted acids under ambient service conditions.

  4. Low viscosity at room temperature, enabling easy handling, impregnation, and mold filling.

  5. Consistent batch-to-batch reproducibility meeting ISO 9001 manufacturing controls.

Typical Applications Of YTMS-201 Polyester Resin

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

  2. Corrosion-resistant piping systems for industrial wastewater treatment.

  3. Marine deck components and boat hull laminates requiring weather durability.

  4. Automotive under-hood structural parts exposed to moderate thermal cycling.

  5. Architectural cladding panels and decorative composite profiles.

Specifications Of YTMS-201 Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid, ready-to-use
AppearanceClear, pale yellow, transparent liquid
Viscosity (25°C)350–450 mPa·s
Acid Value18–22 mg KOH/g
Reactive DiluentStyrene (38–42% w/w)
Flash Point (PMCC)36°C
Storage Stability6 months at ≤25°C in sealed containers


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