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

Evonik L952 Polyester Resin

Evonik L952 Polyester Resin is a high-performance unsaturated polyester resin from Evonik’s VESTOPLAST® series, engineered for superior mechanical strength, chemical resistance and low viscosity. Ideal for pultrusion, filament winding and RTM processes, it delivers excellent fiber wet-out and fast cure kinetics while maintaining dimensional stability and weatherability in demanding composites applications.
  • evonik l952 polyester resin_1a13d8ff
  • evonik l952 polyester resin_1a13d8ff

Features Of Evonik L952 Polyester Resin

  1. High reactivity with standard peroxide initiators for rapid gelation and efficient production cycles.

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

  3. Good resistance to water, alkalis, and diluted acids in reinforced composite structures.

  4. Low styrene emission profile supporting improved workplace safety and regulatory compliance.

  5. Consistent batch-to-batch reproducibility ensured by Evonik’s stringent quality control standards.

Typical Applications Of Evonik L952 Polyester Resin

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

  2. Corrosion-resistant linings for industrial piping and ductwork.

  3. Marine deck components and hull reinforcements requiring weather durability.

  4. Automotive under-hood composite parts exposed to thermal and chemical stress.

  5. Wind turbine blade structural adhesives and secondary bonding matrices.

Specifications Of Evonik L952 Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25°C)350–550 mPa·s
Acid Value16–22 mg KOH/g
Reactive DiluentStyrene (~38–42 wt%)
Density (25°C)1.10–1.14 g/cm³
Storage Stability≥6 months at ≤25°C in sealed containers


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