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

Evonik Epoxy Curing Agent 2903

Evonik Epoxy Curing Agent 2903 is a high-performance aliphatic amine-based hardener from Evonik’s VESTAMIN® series, designed for fast-curing, low-viscosity epoxy systems. It delivers excellent chemical resistance, adhesion, and mechanical strength—ideal for coatings, adhesives, and composites requiring rapid turnaround and robust performance under demanding conditions.
  • evonik epoxy curing agent 2903_680c921a
  • evonik epoxy curing agent 2903_680c921a

Features Of Evonik Epoxy Curing Agent 2903

  1. High reactivity with standard epoxy resins, enabling fast gelation and reduced cycle times.

  2. Excellent chemical resistance in cured systems, particularly against alkalis and solvents.

  3. Low viscosity for easy handling, metering, and homogeneous mixing without solvents.

  4. Good adhesion to diverse substrates including metals, composites, and concrete.

  5. Halogen-free formulation supporting sustainability and regulatory compliance (e.g., RoHS, REACH).

Typical Applications Of Evonik Epoxy Curing Agent 2903

  1. High-performance structural adhesives for automotive and aerospace assembly.

  2. Electrical encapsulation and potting compounds for power electronics and EV battery modules.

  3. Industrial flooring and protective coatings requiring rapid turnaround and chemical durability.

  4. Composite matrix resins for wind turbine blades and lightweight transport components.

  5. Repair mortars and grouts for infrastructure rehabilitation under time-critical conditions.

Specifications Of Evonik Epoxy Curing Agent 2903

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to amber clear liquid
Primary ApplicationsStructural adhesives, electrical encapsulants, protective coatings, composites
Key FeaturesFast-curing, low-viscosity, halogen-free, high-chemical-resistance
BenefitsImproved productivity, enhanced end-product durability, simplified processing, regulatory compliance
Density (20 °C)Approx. 0.95–0.98 g/cm³
Storage Stability≥12 months in original sealed container at ≤25 °C


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