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

HDX-50EA Curing Agent

HDX-50EA Curing Agent is a high-performance aliphatic amine-based epoxy hardener from Huntsman’s HDX Series, designed for fast-curing, low-viscosity, and excellent chemical resistance in industrial coatings and composites. It offers superior flexibility, low exotherm, and broad formulation compatibility—ideal for demanding aerospace, automotive, and wind energy applications.
  • hdx 50ea curing agent_39f0b805
  • hdx 50ea curing agent_39f0b805

Features Of HDX-50EA Curing Agent

  1. Fast-reacting aliphatic amine-based curing agent for room-temperature and elevated-temperature epoxy systems.

  2. Low viscosity (200–300 mPa·s at 25°C) enabling excellent mixing efficiency and improved filler dispersion.

  3. Low volatility and reduced amine odor, enhancing workplace safety and operator comfort during handling.

  4. Excellent chemical resistance post-cure—particularly to alkalis, solvents, and mild acids.

  5. Provides high glass transition temperature (Tg > 85°C) and superior mechanical strength in cured epoxy networks.

Typical Applications Of HDX-50EA Curing Agent

  1. Structural adhesives for aerospace composite bonding and metal-to-composite assembly.

  2. High-performance protective coatings for offshore platforms, chemical processing equipment, and concrete substrates.

  3. Electrical encapsulation and potting compounds requiring rapid throughput and thermal stability.

  4. Wind turbine blade bonding and repair formulations demanding low exotherm and extended working life.

  5. Tooling and mold-making resins where dimensional stability and surface hardness are critical.

Specifications Of HDX-50EA Curing Agent

Chemical TypeAliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to amber clear liquid
Density (25°C)0.92–0.95 g/cm³
Viscosity (25°C)200–300 mPa·s
Amine Value380–420 mg KOH/g
Reactivity with DGEBA EpoxyFull cure achievable in 24 h at 25°C or 4 h at 80°C
Primary ApplicationsEpoxy adhesives, coatings, composites, encapsulants


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