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

Huntsman Epoxy Modified Amine Curing Agent Aradur 3238

Huntsman Aradur® 3238 is a low-viscosity epoxy modified amine curing agent from the Aradur® series offering fast ambient-cure performance excellent chemical resistance and superior adhesion to damp or contaminated substrates ideal for industrial coatings and repair mortars.
  • huntsman epoxy modified amine curing agent aradur 3238_4ba0b12a
  • huntsman epoxy modified amine curing agent aradur 3238_4ba0b12a

Features Of Huntsman Epoxy Modified Amine Curing Agent Aradur 3238

  1. Low-viscosity liquid enabling excellent mixing and processing with standard epoxy resins.

  2. Extended pot life at ambient temperature, supporting longer working times for large-scale applications.

  3. Fast cure kinetics at elevated temperatures (e.g., 80–120 °C), delivering high glass transition temperature (Tg) in final networks.

  4. Improved chemical resistance and mechanical performance compared to conventional aliphatic amines.

  5. Reduced volatility and amine odor, contributing to safer handling and improved workplace hygiene.

Typical Applications Of Huntsman Epoxy Modified Amine Curing Agent Aradur 3238

  1. High-performance composite matrices for aerospace and wind turbine blade manufacturing.

  2. Structural adhesives requiring thermal stability and long-term durability.

  3. Electrical encapsulation and potting compounds for power electronics and EV components.

  4. Industrial flooring and heavy-duty protective coatings in chemical processing facilities.

  5. Tooling and mold-making resins demanding dimensional stability and low exotherm.

Specifications Of Huntsman Epoxy Modified Amine Curing Agent Aradur 3238

Chemical TypeEpoxy-modified aliphatic amine
Product FormLiquid
AppearancePale yellow to amber clear liquid
Density (25 °C)Approx. 0.96–0.99 g/cm³
Viscosity (25 °C)Approx. 200–400 mPa·s
Amine Value240–270 mg KOH/g
Reactive Hydrogen Equivalent Weight (RHEW)Approx. 110–125 g/eq
Primary ApplicationsHigh-performance structural composites, adhesives, encapsulants, and industrial coatings


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