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

Huntsman T-403 Polyetheramine Curing Agent

Huntsman’s T-403 is a trifunctional polyetheramine curing agent from the Versamine® series, delivering fast cure speed, low viscosity, and excellent flexibility for epoxy composites and coatings. It enhances toughness, adhesion, and chemical resistance while enabling ambient or elevated temperature curing—ideal for aerospace, wind energy, and high-performance industrial applications.
  • huntsman t 403 polyetheramine curing agent_0993ad8d
  • huntsman t 403 polyetheramine curing agent_0993ad8d

Features Of Huntsman T-403 Polyetheramine Curing Agent

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

  2. Flexible molecular structure delivering excellent impact resistance and toughness in cured systems.

  3. Shorter gel time compared to conventional aliphatic amines, supporting faster production cycles.

  4. Good compatibility with standard diglycidyl ether of bisphenol-A (DGEBA) and other common epoxy resins.

  5. Low volatility and low odor, contributing to improved workplace safety and reduced VOC emissions.

Typical Applications Of Huntsman T-403 Polyetheramine Curing Agent

  1. Structural adhesives for automotive and aerospace bonding applications.

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

  3. Electrical encapsulation and potting compounds requiring thermal and mechanical resilience.

  4. Coatings for industrial flooring and protective linings exposed to mechanical stress.

  5. Tooling and mold-making resins where dimensional stability and low exotherm are critical.

Specifications Of Huntsman T-403 Polyetheramine Curing Agent

Chemical TypePolyetheramine (tertiary amine-terminated)
Product FormLiquid
AppearanceClear, pale yellow to amber liquid
Amine Value190–210 mg KOH/g
Viscosity (25°C)150–250 cP
Active Hydrogen Equivalent Weight~100 g/eq
Primary ApplicationsEpoxy curing agent for structural adhesives, composites, coatings, and encapsulants
Key FeaturesFlexibility, low viscosity, fast reactivity, low volatility


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