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

Dow D.E.H.84 Phenalkamine Epoxy Curing Agent

Dow D.E.H.84 Phenalkamine Epoxy Curing Agent is a fast-reacting, low-viscosity aliphatic amine hardener from Dow’s D.E.H. series—designed for ambient-cure epoxy systems requiring excellent adhesion, chemical resistance, and flexibility in coatings, adhesives, and composites.
  • dow d.e.h.84 phenalkamine epoxy curing agent_0ff807d5
  • dow d.e.h.84 phenalkamine epoxy curing agent_0ff807d5

Features Of Dow D.E.H.84 Phenalkamine Epoxy Curing Agent

  1. Fast ambient-cure reactivity with standard epoxy resins, enabling rapid handling strength development.

  2. Excellent adhesion to damp, rusty, or marginally prepared steel substrates without aggressive surface preparation.

  3. Low viscosity and high amine value for efficient stoichiometric blending and improved wetting of complex geometries.

  4. Superior chemical resistance in cured systems, particularly against alkalis, solvents, and mild acids.

  5. Reduced exotherm compared to conventional aliphatic amines, supporting thicker-section castings and reduced thermal stress.

Typical Applications Of Dow D.E.H.84 Phenalkamine Epoxy Curing Agent

  1. Protective coatings for offshore platforms and marine infrastructure.

  2. Industrial floor coatings requiring rapid return-to-service in warehouses and manufacturing facilities.

  3. Repair mortars and grouts for concrete and steel structures in wastewater treatment plants.

  4. Adhesives and potting compounds for electrical and electronic encapsulation where humidity resistance is critical.

  5. High-solids, low-VOC epoxy topcoats for infrastructure maintenance and bridge refurbishment.

Specifications Of Dow D.E.H.84 Phenalkamine Epoxy Curing Agent

Chemical TypePhenalkamine (modified phenol–aldehyde–amine condensate)
Product FormLiquid
AppearanceAmber to light brown viscous liquid
Amine Value230–250 mg KOH/g
Viscosity (25°C)1,200–1,800 cP
Density (25°C)1.08–1.12 g/cm³
Primary ApplicationsAmbient-cure protective coatings, repair mortars, industrial adhesives
Key FeaturesDamp-surface cure, low exotherm, rust-tolerant adhesion


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