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

Huntsman Latent Curing Agent Aradur 9577

Huntsman’s Aradur™ 9577 is a latent epoxy curing agent from the Aradur™ series, designed for one-component systems requiring extended pot life and rapid high-temperature cure. It delivers excellent thermal stability, low volatility, and consistent performance in composites, adhesives, and prepregs—ideal for aerospace and automotive applications demanding precision and reliability.
  • huntsman latent curing agent aradur 9577_8de770e1
  • huntsman latent curing agent aradur 9577_8de770e1

Features Of Huntsman Latent Curing Agent Aradur 9577

  1. Latent at room temperature, enabling extended pot life and improved processing window for epoxy formulations.

  2. Activates rapidly at elevated temperatures (typically >120 °C), delivering efficient and consistent cure kinetics.

  3. Halogen-free formulation, supporting compliance with environmental and regulatory requirements for electronics and aerospace.

  4. Excellent compatibility with standard bisphenol-A and bisphenol-F epoxy resins.

  5. Delivers high glass transition temperature (Tg) and robust thermal-mechanical performance in cured systems.

Typical Applications Of Huntsman Latent Curing Agent Aradur 9577

  1. Encapsulants and underfills for semiconductor packaging and microelectronics.

  2. Structural adhesives for aerospace composite bonding and metal-to-composite joining.

  3. Prepregs and infusion resins for high-performance wind turbine blades and automotive composites.

  4. Electrical insulation materials requiring low ionic contamination and high dielectric strength.

  5. High-reliability potting compounds for power electronics and LED modules.

Specifications Of Huntsman Latent Curing Agent Aradur 9577

Chemical TypeDicyandiamide-based latent accelerator system
Product FormFree-flowing white to off-white crystalline powder
AppearanceCrystalline solid, free of visible impurities
Primary ApplicationsEpoxy encapsulation, structural adhesives, prepregs, electrical insulation
Key FeaturesRoom-temperature latency, thermally activated cure, halogen-free
Storage StabilityStable ≥12 months at 25 °C in sealed container
Recommended Cure Schedule150 °C for 60–90 minutes (varies by resin system)
Handling PrecautionsUse in well-ventilated area; avoid inhalation of dust and skin contact


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