DOW DEN438 from Dow's specialty epoxy resin series is a multifunctional novolac-based formulation engineered for the most demanding chemical and thermal environments. This high-functionality resin delivers superior resistance to aggressive solvents, acids, and elevated temperatures while maintaining excellent mechanical properties. The product's unique molecular structure provides outstanding performance in critical protection applications.
Novolac chemistry - Exceptional chemical and thermal resistance
High functionality - Enhanced crosslinking density for superior durability
Thermal stability - Maintains integrity at continuous high temperatures
Chemical resistance - Withstands harsh acids and solvents
Chemical process equipment - Reactor and vessel linings
Oil and gas pipelines - Corrosion protection systems
Semiconductor fabrication - Acid-resistant coatings
Aerospace composites - High-temperature components
Electrical insulation - Harsh environment applications
| Epoxy Equivalent Weight | g/eq | 175-182 |
| Viscosity at 25°C | cP | 20,000-40,000 |
| Melting Point | °C | 70-80 |
| Gardner Color | - | ≤3 |
| Hydrolyzable Chloride | ppm | ≤500 |
| Softening Point | °C | 65-75 |
| Density at 25°C | g/cm³ | 1.20-1.22 |
| Flash Point | °C | >200 |
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E-mail: wangxingqiang@ericwchem.com
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