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

Huntsman Pure Amine Curing Agent Aradur 21

Huntsman Pure Amine Curing Agent Aradur 21 is a low-viscosity, aliphatic polyamine hardener for epoxy resins—offering rapid ambient-cure, excellent chemical resistance, and superior adhesion to metals and composites. Ideal for industrial coatings, civil engineering, and high-performance composites where fast turnaround and durability are critical.
  • huntsman pure amine curing agent aradur 21_e6a209df
  • huntsman pure amine curing agent aradur 21_e6a209df

Features Of Huntsman Pure Amine Curing Agent Aradur 21

  1. High-purity aliphatic amine formulation with low volatility and minimal odor.

  2. Excellent compatibility with standard epoxy resins for consistent cure performance.

  3. Enables rapid room-temperature curing while maintaining extended pot life.

  4. Delivers superior mechanical properties, including high tensile strength and impact resistance.

  5. Low viscosity facilitates easy handling, metering, and uniform mixing in industrial systems.

Typical Applications Of Huntsman Pure Amine Curing Agent Aradur 21

  1. Structural adhesives for aerospace and automotive bonding.

  2. High-performance composite matrices in wind turbine blade manufacturing.

  3. Electrical encapsulation and potting compounds for power electronics.

  4. Industrial flooring and heavy-duty protective coatings.

  5. Repair mortars and grouts requiring fast turnaround and chemical resistance.

Specifications Of Huntsman Pure Amine Curing Agent Aradur 21

Chemical TypeAliphatic polyamine
Product FormLiquid
AppearancePale yellow to colorless clear liquid
Primary ApplicationsEpoxy resin curing agent
Key FeaturesRoom-temperature cure, low volatility, high reactivity
BenefitsImproved productivity, reduced VOC emissions, enhanced interfacial adhesion
Density (25°C)Approx. 0.92–0.94 g/cm³
Reactive Amine Hydrogen Equivalent Weight~65–70 g/eq


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