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

Changchun BE188 Curing Agent

Changchun BE188 Curing Agent is a high-performance aliphatic amine-based hardener from Changchun Chemical’s BE series, designed for epoxy resins. It offers rapid curing at room temperature, excellent chemical resistance, low viscosity, and superior adhesion to metals and composites—ideal for coatings, adhesives, and composite laminates in demanding industrial applications.
  • changchun be188 curing agent_0638e49b
  • changchun be188 curing agent_0638e49b

Features Of Changchun BE188 Curing Agent

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

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

  3. Delivers high crosslink density, resulting in superior chemical resistance and mechanical strength.

  4. Low viscosity (< 500 mPa·s at 25°C) ensures easy handling, precise metering, and uniform mixing.

  5. Low volatility and low skin sensitization potential—designed for improved workplace safety and regulatory compliance.

Typical Applications Of Changchun BE188 Curing Agent

  1. High-performance epoxy coatings for industrial steel structures and concrete substrates.

  2. Electrical encapsulation and potting compounds for transformers, sensors, and power modules.

  3. Structural adhesives in automotive and rail vehicle assembly.

  4. Wind turbine blade bonding and repair systems requiring rapid green strength development.

  5. Repair mortars and grouts for civil engineering infrastructure rehabilitation.

Specifications Of Changchun BE188 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)350–480 mPa·s
Amine Value380–420 mg KOH/g
Reactivity (with DGEBA, 25°C)Gel time: 25–40 min; Tg (full cure): ≥85°C
Storage Stability≥12 months in sealed container at <30°C


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