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

Evonik Epoxy Curing Agent UR-D

Evonik’s Epoxy Curing Agent UR-D is a high-performance aliphatic amine-based hardener from the Vestamin® UR series. Designed for fast-curing, low-viscosity epoxy systems, it delivers excellent chemical resistance, flexibility, and adhesion—ideal for coatings, adhesives, and composites in demanding industrial applications.
  • evonik epoxy curing agent ur d_dfcf95e3
  • evonik epoxy curing agent ur d_dfcf95e3

Features Of Evonik Epoxy Curing Agent UR-D

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

  2. Excellent compatibility with bisphenol-A and bisphenol-F epoxy systems.

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

  4. Good thermal stability and low volatility, supporting safe processing in industrial environments.

  5. Enables high glass transition temperature (Tg) and superior mechanical performance in cured networks.

Typical Applications Of Evonik Epoxy Curing Agent UR-D

  1. Structural adhesives for automotive and aerospace bonding.

  2. Electrical encapsulation and potting compounds for power electronics.

  3. High-performance composites in wind turbine blade manufacturing.

  4. Coatings for corrosion protection in oil & gas infrastructure.

  5. Tooling and casting resins requiring rapid turnaround and dimensional stability.

Specifications Of Evonik Epoxy Curing Agent UR-D

Chemical TypeAmine-based aliphatic curing agent
Product FormLiquid
AppearancePale yellow to colorless clear liquid
Density (20 °C)Approx. 0.92–0.95 g/cm³
Viscosity (25 °C)Approx. 180–220 mPa·s
Amine Value360–390 mg KOH/g
Reactive Hydrogen Equivalent WeightApprox. 85–92 g/eq
Storage StabilityAt least 12 months at 25 °C in original sealed container


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