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

Evonik Epoxy Curing Agent 2337S

Evonik Epoxy Curing Agent 2337S 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 ambient-cure performance and low exotherm.
  • evonik epoxy curing agent 2337s_8a954dd4
  • evonik epoxy curing agent 2337s_8a954dd4

Features Of Evonik Epoxy Curing Agent 2337S

  1. Low-viscosity liquid enabling excellent processability and easy handling in standard epoxy formulation equipment.

  2. Fast-reacting aliphatic amine-based chemistry delivering rapid cure at ambient and elevated temperatures.

  3. Excellent chemical resistance post-cure, particularly against solvents, alkalis, and mild acids.

  4. Low volatility and low skin sensitization potential, supporting safer industrial handling and compliance with occupational health guidelines.

  5. Good compatibility with common diglycidyl ether of bisphenol-A (DGEBA) and cycloaliphatic epoxy resins.

Typical Applications Of Evonik Epoxy Curing Agent 2337S

  1. Structural adhesives for automotive and transportation assembly.

  2. High-performance protective coatings for industrial flooring and tank linings.

  3. Electrical encapsulation and potting compounds requiring fast turnaround and high dielectric strength.

  4. Composite matrix resins for wind turbine blade bonding and repair systems.

  5. Repair mortars and grouts where rapid strength development and moisture tolerance are critical.

Specifications Of Evonik Epoxy Curing Agent 2337S

Chemical TypeAliphatic polyamine
Product FormLiquid
AppearancePale yellow to colorless clear liquid
Primary ApplicationsAdhesives, coatings, composites, encapsulants
Key FeaturesAmbient-cure capability, low viscosity, low odor
BenefitsReduced processing time, improved worker safety, enhanced interfacial adhesion
Storage Stability≥12 months at 20–25°C in sealed original packaging
Reactivity ProfileExothermic peak temperature: ~80–95°C (by DSC, 10°C/min)


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