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

Evonik DYNAPOL L 651 Polyester Resin

Evonik DYNAPOL L 651 is a high-performance aliphatic polyester resin from the DYNAPOL L series, designed for durable UV-stable coatings and inks. It offers excellent flexibility, chemical resistance, and adhesion to plastics and metals. Widely used in automotive refinishes and industrial applications, this low-viscosity liquid resin enables efficient formulation with isocyanates or melamine crosslinkers.
  • evonik dynapol l 651 polyester resin_0396b13c
  • evonik dynapol l 651 polyester resin_0396b13c

Features Of Evonik DYNAPOL L 651 Polyester Resin

  1. Highly reactive unsaturated polyester resin with excellent gel time control for optimized processing.

  2. Outstanding mechanical properties, including high tensile strength and impact resistance after curing.

  3. Low styrene emission formulation supporting improved workplace safety and regulatory compliance.

  4. Excellent compatibility with standard fillers, pigments, and glass reinforcements used in composites.

  5. Consistent batch-to-batch reproducibility ensuring reliable performance in industrial manufacturing.

Typical Applications Of Evonik DYNAPOL L 651 Polyester Resin

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

  2. Automotive body panels and under-hood components requiring dimensional stability.

  3. Marine deck structures and boat hulls demanding high moisture resistance.

  4. Industrial grating and corrosion-resistant ducting systems.

  5. Architectural cladding and façade elements exposed to outdoor weathering.

Specifications Of Evonik DYNAPOL L 651 Polyester Resin

Chemical TypeUnsaturated polyester resin
Product FormLiquid, ready-to-use
AppearanceClear to pale yellow viscous liquid
Primary ApplicationsStructural composites, corrosion-resistant linings, FRP products
Key FeaturesLow exotherm, good flowability, high reactivity with MEKP initiators
BenefitsReduced cycle times, superior surface finish, excellent adhesion to glass fibers
Storage Stability≥6 months at 20–25 °C in sealed containers
Viscosity (25 °C)350–550 mPa·s (Brookfield DV-II+ @ 20 rpm)


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