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

Dow DER A 331 OLIN Liquid Epoxy Resin

Dow DER A 331 OLIN Liquid Epoxy Resin is a low-viscosity, bisphenol-A-based epoxy resin from Dow’s DER™ series, designed for coatings, adhesives, and composites requiring excellent chemical resistance, adhesion, and cure flexibility with standard amine or anhydride hardeners.
  • dow der a 331 olin liquid epoxy resin_5bfe810a
  • dow der a 331 olin liquid epoxy resin_5bfe810a

Features Of Dow DER A 331 OLIN Liquid Epoxy Resin

  1. Low-viscosity liquid epoxy resin enabling excellent flow, wetting, and air release in processing.

  2. High purity with consistent epoxide equivalent weight (EEW) for reliable reactivity and cure performance.

  3. Excellent adhesion to metals, composites, and cured thermosets without requiring aggressive surface pretreatment.

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

  5. Compatible with standard amine, anhydride, and catalytic curing agents for flexible formulation design.

Typical Applications Of Dow DER A 331 OLIN Liquid Epoxy Resin

  1. Structural adhesives for aerospace and automotive bonding applications.

  2. Matrix resin in fiber-reinforced composites for wind turbine blades and industrial laminates.

  3. Electrical encapsulation and potting compounds for power electronics and transformers.

  4. High-performance coatings and linings for corrosion protection in industrial infrastructure.

Specifications Of Dow DER A 331 OLIN Liquid Epoxy Resin

Chemical TypeBisphenol-A based diglycidyl ether epoxy resin
Product FormClear, low-viscosity liquid
AppearanceWater-white to pale yellow, transparent liquid
Epoxide Equivalent Weight (EEW)185–192 g/eq
Viscosity at 25°C12,000–16,000 cP
Chloride Content≤ 750 ppm
Volatiles Content≤ 0.5 wt%
Primary ApplicationsAdhesives, composites, electrical encapsulation, protective coatings


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