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

ADEKA EH4357S Curing Agent

ADEKA EH4357S is a high-performance aliphatic amine-based curing agent from ADEKA’s EH series, engineered for epoxy resins. It delivers excellent flexibility, low-temperature cure capability, and superior chemical resistance. Widely used in coatings, adhesives, and composites requiring toughness and durability without blushing or amine bloom.
  • adeka eh4357s curing agent_558a6373
  • adeka eh4357s curing agent_558a6373

Features Of ADEKA EH4357S Curing Agent

  1. High reactivity with epoxy resins, enabling rapid room-temperature or low-temperature curing.

  2. Excellent chemical resistance post-cure, particularly against solvents, acids, and alkalis.

  3. Low viscosity and good compatibility, facilitating homogeneous mixing and improved processability.

  4. Low volatility and negligible amine blush formation, supporting high-gloss surface finish and adhesion integrity.

  5. Non-halogenated formulation aligned with evolving environmental and regulatory requirements (e.g., RoHS, REACH).

Typical Applications Of ADEKA EH4357S Curing Agent

  1. Electronics encapsulation and potting compounds for PCB protection and thermal management.

  2. High-performance structural adhesives in automotive and aerospace composite bonding.

  3. Protective coatings for metal substrates in industrial and marine environments.

  4. Electrical insulation systems in transformers, motors, and generators.

  5. Advanced composites requiring low-exotherm cure profiles and dimensional stability.

Specifications Of ADEKA EH4357S Curing Agent

Chemical TypeAmine-functionalized aliphatic polyether adduct
Product FormLiquid
AppearancePale yellow to colorless transparent liquid
Viscosity (25°C)800–1,200 mPa·s
Density (25°C)1.02–1.06 g/cm³
Amine Value280–320 mg KOH/g
Reactivity ProfileMedium-to-high (compatible with DGEBA and modified epoxy resins)
Storage Stability≥12 months at 5–30°C in sealed original container


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