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

Evonik LH826-05A Polyester Resin

Evonik LH826-05A Polyester Resin is a high-performance unsaturated polyester resin from Evonik’s LUPOLAN® series, designed for demanding composite applications requiring excellent mechanical strength, low styrene emission, and superior gel-time control. It offers balanced reactivity, good flow, and compatibility with standard curing systems—ideal for pultrusion, filament winding, and RTM processes.
  • evonik lh826 05a polyester resin_e9ee789f
  • evonik lh826 05a polyester resin_e9ee789f

Features Of Evonik LH826-05A Polyester Resin

  1. High reactivity with low styrene emission for improved workplace safety and regulatory compliance.

  2. Excellent mechanical strength and impact resistance in cured composites.

  3. Optimized viscosity profile for superior fiber wet-out and processability in RTM and infusion processes.

  4. Good weathering resistance and UV stability for long-term outdoor performance.

  5. Consistent batch-to-batch reproducibility meeting stringent Evonik quality control standards.

Typical Applications Of Evonik LH826-05A Polyester Resin

  1. Fiberglass-reinforced panels for transportation interiors and exterior body parts.

  2. Wind turbine blade components requiring high fatigue resistance and dimensional stability.

  3. Marine hulls and deck structures demanding corrosion resistance and water impermeability.

  4. Industrial tanks and piping systems handling mild chemical environments.

  5. Architectural cladding and façade elements exposed to variable climatic conditions.

Specifications Of Evonik LH826-05A Polyester Resin

Chemical TypeUnsaturated orthophthalic polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow viscous liquid
Viscosity (25°C, mPa·s)350–450
Styrene Content (wt %)38–42
Gel Time (100 g, 25°C, 1.5% MEKP)8–12 minutes
Density (25°C, g/cm³)1.12–1.15
Primary ApplicationsRTM, vacuum infusion, spray-up, and hand lay-up composite manufacturing


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