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

Evonik Epoxy Curing Agent DL50

Evonik Epoxy Curing Agent DL50 is a high-performance aliphatic polyamine hardener from Evonik’s VESTAMIN® series. Designed for fast-curing, low-viscosity epoxy systems, it delivers excellent chemical resistance, flexibility, and adhesion to diverse substrates. Ideal for coatings, adhesives, and composites requiring rapid turnaround and robust mechanical properties under ambient or mild heat conditions.
  • evonik epoxy curing agent dl50_a1b541f3
  • evonik epoxy curing agent dl50_a1b541f3

Features Of Evonik Epoxy Curing Agent DL50

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

  2. Aliphatic amine-based chemistry providing fast ambient-cure kinetics without requiring elevated temperature post-cure.

  3. Outstanding chemical resistance, particularly to solvents, alkalis, and neutral aqueous media.

  4. Low volatility and low skin sensitization potential compared to conventional aromatic amines.

  5. Good compatibility with bisphenol-A and bisphenol-F epoxy resins across a broad stoichiometric range.

Typical Applications Of Evonik Epoxy Curing Agent DL50

  1. Industrial flooring systems requiring rapid return-to-service and high durability.

  2. Concrete repair mortars and structural strengthening adhesives.

  3. Electrical potting and encapsulation compounds for medium-voltage components.

  4. Marine coatings and protective linings for tanks and offshore infrastructure.

  5. Adhesives for metal-to-metal and composite bonding in transportation manufacturing.

Specifications Of Evonik Epoxy Curing Agent DL50

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to colorless clear liquid
Density (20 °C)Approx. 0.92–0.94 g/cm³
Viscosity (25 °C)150–250 mPa·s
Amine Value380–420 mg KOH/g
Reactivity ProfileAmbient-curing, exotherm peak ~60–75 °C (100 g batch)
Storage Stability≥12 months at 20 °C in sealed original container


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