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

DOW DEN431 Phenolic Epoxy Resin

DOW DEN431 from Dow's advanced epoxy resin series is an ultra-low viscosity liquid novolac formulation designed for structural reinforcement applications. This high-performance resin combines exceptional flow characteristics with the superior chemical resistance of novolac chemistry, making it ideal for demanding composite applications requiring deep penetration and thorough wet-out of reinforcing materials.

Features Of DOW DEN431 Phenolic Epoxy Resin

  1. Ultra-low viscosity - Superior substrate penetration and wetting

  2. Novolac chemistry - Enhanced chemical and thermal resistance

  3. Processing efficiency - Easy handling and excellent flow properties

  4. High reactivity - Fast curing with appropriate hardeners

  5. Mechanical strength - Excellent composite performance

Typical Applications Of DOW DEN431 Phenolic Epoxy Resin

  1. Composite tooling - Molds and fixtures manufacturing

  2. Structural laminates - High-performance composite parts

  3. Aerospace components - Critical structural elements

  4. Wind turbine blades - Reinforced composite structures

  5. Automotive composites - Lightweight structural parts

Specifications Of DOW DEN431 Phenolic Epoxy Resin

Epoxy Equivalent Weightg/eq172-178
Viscosity at 25°CcP1,000-1,500
Color (Gardner)-≤2
Density at 25°Cg/cm³1.18-1.20
Flash Point°C>200
Hydrolyzable Chlorideppm≤500
Weight per Gallonlb/gal9.8-10.0


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