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

Changchun BE186EL Curing Agent

Changchun BE186EL Curing Agent is a high-performance aliphatic polyamine hardener from Changchun’s BE series, designed for epoxy resins. It offers low viscosity, fast curing at room temperature, excellent chemical resistance and superior adhesion to metals and composites—ideal for coatings, adhesives and composite laminates in aerospace and automotive applications.
  • changchun be186el curing agent_2400de31
  • changchun be186el curing agent_2400de31

Features Of Changchun BE186EL Curing Agent

  1. High reactivity with epoxy resins, enabling rapid gelation and short demolding cycles.

  2. Excellent compatibility with standard bisphenol-A and bisphenol-F epoxy systems.

  3. Low viscosity at room temperature for easy handling, metering, and homogeneous mixing.

  4. Good thermal stability with onset decomposition above 200 °C (TGA, air atmosphere).

  5. Halogen-free formulation supporting UL 94 V-0 compliant end-product requirements.

Typical Applications Of Changchun BE186EL Curing Agent

  1. Electrical insulation encapsulants for power modules and IGBTs.

  2. Structural adhesives in automotive electronics and battery pack assembly.

  3. Encapsulation of high-voltage sensors and renewable energy inverters.

  4. Thermosetting composites for aerospace-grade potting and bonding.

  5. LED packaging compounds requiring low stress and high dielectric strength.

Specifications Of Changchun BE186EL Curing Agent

Chemical TypeAromatic amine-based latent curing agent
Product FormFree-flowing pale yellow to amber solid granules
AppearanceHomogeneous granular powder, no visible lumps or discoloration
Primary ApplicationsEpoxy encapsulation, potting, and structural bonding
Key FeaturesLatent activation, low exotherm, halogen-free
BenefitsExtended pot life at ambient temperature, fast cure at elevated temperatures (130–150 °C)
Storage Stability≥12 months at ≤25 °C in sealed original packaging
Handling PrecautionUse in well-ventilated areas; avoid inhalation of dust and skin contact


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