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

Chang Chun BE-501X-75 Epoxy Curing Agent

ChangChunBE-501X-75EpoxyCuringAgentisahigh-performancealiphaticpolyaminehardenerfromChangChun’sBEseries,offeringexcellentflexibility,lowtemperaturecuringcapability,andoutstandingadhesiontopolymersandmetals.Idealfordemandingcoatings,compositesandadhesiveswherefastcureandchemicalresistancearecritical.
  • chang chun be 501x 75 epoxy curing agent_27e704d4
  • chang chun be 501x 75 epoxy curing agent_27e704d4

Features Of Chang Chun BE-501X-75 Epoxy Curing Agent

  1. High reactivity with standard bisphenol-A and bisphenol-F epoxy resins at ambient to moderate elevated temperatures.

  2. Excellent chemical resistance post-cure, including resistance to alkalis, solvents, and mild acids.

  3. Low viscosity formulation enabling easy handling, precise metering, and improved filler dispersion.

  4. Good thermal stability with glass transition temperature (Tg) exceeding 120 °C in cured systems.

  5. Low volatility and non-hazardous classification under standard transport regulations (UN3082).

Typical Applications Of Chang Chun BE-501X-75 Epoxy Curing Agent

  1. Electrical encapsulation and potting compounds for transformers, reactors, and power modules.

  2. High-performance structural adhesives in automotive and rail transportation assemblies.

  3. Coating systems for corrosion protection of steel substrates in marine and industrial environments.

  4. Composite matrix resin for filament-wound pressure vessels and wind turbine blade components.

  5. Underfill and conformal coating formulations in electronics packaging and PCB protection.

Specifications Of Chang Chun BE-501X-75 Epoxy Curing Agent

Chemical TypeAmine-based aliphatic polyamine adduct
Product FormLiquid
AppearancePale yellow to amber clear liquid
Specific Gravity (25 °C)0.94–0.97 g/cm³
Viscosity (25 °C)250–400 mPa·s
Amine Value380–420 mg KOH/g
Flash Point (COC)≥120 °C
Storage Stability≥12 months at 5–30 °C in sealed original container


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