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

Huntsman Epoxy Modified Amine Curing Agent Aradur 3226

Huntsman’s Aradur® 3226 is a liquid epoxy-modified amine curing agent from the Aradur® series, engineered for high-performance structural adhesives and composites. It delivers fast ambient-cure kinetics, excellent toughness, low exotherm, and superior adhesion to metals and composites—ideal for aerospace, wind energy, and automotive applications requiring reliability and process efficiency.
  • huntsman epoxy modified amine curing agent aradur 3226_a7ad669e
  • huntsman epoxy modified amine curing agent aradur 3226_a7ad669e

Features Of Huntsman Epoxy Modified Amine Curing Agent Aradur 3226

  1. Low-viscosity liquid enabling easy handling and efficient mixing with epoxy resins.

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

  3. Excellent adhesion to steel, concrete, and composite substrates without mandatory surface priming.

  4. Good chemical resistance, particularly to alkalis, solvents, and mild acids in cured systems.

  5. Reduced exotherm during cure, minimizing thermal stress and improving dimensional stability of thick-section castings.

Typical Applications Of Huntsman Epoxy Modified Amine Curing Agent Aradur 3226

  1. Heavy-duty industrial flooring and protective coatings for chemical plants and warehouses.

  2. Structural adhesive formulations for bonding metal and composite components in transportation equipment.

  3. Casting and encapsulation of electrical and electronic components requiring high dielectric strength.

  4. Repair mortars and grouts for infrastructure rehabilitation including bridges and marine structures.

Specifications Of Huntsman Epoxy Modified Amine Curing Agent Aradur 3226

Chemical TypeEpoxy-modified aliphatic amine
Product FormClear to pale yellow liquid
AppearanceHomogeneous, free from sediment or haze
Density (25°C)Approx. 0.94–0.97 g/cm³
Viscosity (25°C)Approx. 200–400 mPa·s
Amine Hydrogen Equivalent Weight (AHEW)Approx. 110–125 g/eq
Reactivity ProfileMedium-reactive; gel time ~60–90 min at 25°C with standard DGEBA resin
Primary ApplicationsHigh-performance coatings, adhesives, and castings


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