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

Evonik S1611 Polyester Resin

Evonik S1611 is a high-performance aliphatic polyester resin from Evonik’s S-series, engineered for UV-curable coatings and inks. It delivers excellent weather resistance, low viscosity, superior gloss, and rapid cure response. Widely used in automotive clearcoats, plastic coatings, and decorative finishes, S1611 ensures exceptional hardness, flexibility, and chemical resistance while meeting stringent sustainability standards.
  • evonik s1611 polyester resin_e3f9bc2a
  • evonik s1611 polyester resin_e3f9bc2a

Features Of Evonik S1611 Polyester Resin

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

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

  3. Good weatherability and UV stability for outdoor applications.

  4. Low viscosity for enhanced fiber wet-out and improved processability in RTM and hand lay-up.

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

Typical Applications Of Evonik S1611 Polyester Resin

  1. Fiberglass-reinforced plastic (FRP) components for transportation, including truck body panels and bus interiors.

  2. Marine structures such as boat hulls, decks, and marine gratings.

  3. Industrial tanks and chemical-resistant linings for corrosion protection.

  4. Architectural cladding, façade elements, and decorative molded parts.

  5. Wind energy components including nacelle covers and blade fairings.

Specifications Of Evonik S1611 Polyester Resin

Chemical TypeUnsaturated polyester resin
Product FormLiquid
AppearanceClear to pale yellow, homogeneous liquid
Viscosity (25 °C)350–450 mPa·s
Reactive DiluentStyrene (approx. 38–42 wt%)
Gel Time (with MEKP, 1.0 wt%, 25 °C)12–18 minutes
Density (20 °C)1.07–1.09 g/cm³
Acid Value14–18 mg KOH/g


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