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

Dow D.E.H.140 Epoxy Curing Agent

Dow D.E.H.140 Epoxy Curing Agent is a liquid, amine-based hardener from Dow’s D.E.H. series, designed for ambient-cure epoxy systems. It delivers excellent adhesion, chemical resistance, and mechanical strength in coatings, adhesives, and composites—ideal for industrial and protective applications requiring fast, reliable crosslinking without heat.
  • dow d.e.h.140 epoxy curing agent_5fec3ad8
  • dow d.e.h.140 epoxy curing agent_5fec3ad8

Features Of Dow D.E.H.140 Epoxy Curing Agent

  1. High reactivity with liquid epoxy resins, enabling rapid gelation and reduced cure cycle times.

  2. Excellent adhesion to metals, composites, and concrete substrates under ambient or elevated temperature conditions.

  3. Low viscosity formulation facilitates easy handling, mixing, and processing in automated dispensing systems.

  4. Good chemical resistance post-cure, particularly against solvents, alkalis, and mild acids.

  5. Non-corrosive to steel and aluminum, supporting long-term reliability in structural bonding applications.

Typical Applications Of Dow D.E.H.140 Epoxy Curing Agent

  1. Structural adhesives for automotive assembly, including chassis and powertrain bonding.

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

  3. Industrial flooring and grouting systems requiring fast turnaround and high mechanical strength.

  4. Composite repair kits for aerospace and wind energy blade maintenance.

  5. Coating primers for corrosion protection on marine and offshore infrastructure.

Specifications Of Dow D.E.H.140 Epoxy Curing Agent

Chemical TypeAmine-based aliphatic curing agent
Product FormLiquid
AppearanceClear to pale yellow, low-viscosity liquid
Primary ApplicationsStructural adhesives, potting compounds, industrial coatings
Key FeaturesFast ambient cure, low exotherm, good flexibility retention
BenefitsReduced energy consumption, improved production throughput, enhanced durability
Storage Stability12 months at 25°C in original unopened container
CompatibilityDesigned for use with standard bisphenol-A and bisphenol-F epoxy resins


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