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.
Low viscosity formula - Superior substrate wetting and penetration
Extended work time - Provides adequate processing window
Multi-system compatibility - Adaptable to various curing mechanisms
Mechanical integrity - Delivers reliable cured properties
Processing efficiency - Easy handling and excellent flow
Composite tooling - Precision molds and fixtures
Electronic encapsulation - Component protection systems
Filament winding - Structural composite manufacturing
Industrial coatings - Protective surface treatments
Adhesive formulations - High-performance bonding solutions
Laminating systems - Reinforced composite structures
| Epoxy Equivalent Weight | g/eq | 176-183 |
| Viscosity at 25°C | cP | 9,000-10,500 |
| Color (APHA) | - | ≤125 |
| Density at 25°C | g/cm³ | 1.16-1.18 |
| Flash Point | °C | >200 |
| Hydrolyzable Chloride | ppm | ≤500 |
| Weight per Gallon | lb/gal | 9.7-9.9 |
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