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

Dow D.E.H.140 Polyamide Epoxy Curing Agent

Dow D.E.H.140 is a polyamide-based epoxy curing agent from Dow’s D.E.H. series, delivering excellent flexibility, adhesion, and chemical resistance for coatings, adhesives, and composites—ideal for ambient-cure applications requiring toughness and durability without volatile solvents.
  • dow d.e.h.140 polyamide epoxy curing agent_bdb58189
  • dow d.e.h.140 polyamide epoxy curing agent_bdb58189

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

  1. Flexible, low-viscosity polyamide chemistry enabling excellent flow and wetting on substrates.

  2. Room-temperature curable with extended pot life for improved processing window.

  3. Provides good chemical resistance, particularly to alkalis and solvents.

  4. Delivers tough, impact-resistant epoxy coatings with balanced flexibility and hardness.

  5. Compatible with standard bisphenol-A and bisphenol-F epoxy resins.

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

  1. Industrial maintenance coatings for steel structures and pipelines.

  2. Concrete floor coatings in warehouses, garages, and manufacturing facilities.

  3. Marine and offshore protective coatings for decks and ballast tanks.

  4. Electrical insulation systems for transformers and busbars.

  5. Adhesives and sealants requiring ambient-cure toughness and adhesion.

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

Chemical TypePolyamide
Product FormLiquid
AppearanceAmber to brown viscous liquid
Primary ApplicationsAmbient-cure epoxy coatings, adhesives, and sealants
Key FeaturesRoom-temperature cure, flexible film formation, good substrate adhesion
BenefitsExtended working time, low odor, reduced VOC potential vs. amine alternatives
Recommended Epoxy Resin Ratio (parts by weight)100 parts epoxy resin : 35–45 parts D.E.H.140
Storage ConditionsStore in original sealed container at 15–25°C; protect from moisture


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