DOW DER663U from Dow's high-performance DER series is a specialized solid epoxy resin designed for critical coating formulations. This bisphenol-A based polymer delivers exceptional chemical resistance and mechanical properties, making it ideal for protective coatings in harsh environments. The product's optimized molecular structure ensures excellent processing characteristics and reliable performance.
High-purity formulation - Minimal impurities for consistent performance
Superior flow properties - Excellent substrate wetting and leveling
Enhanced durability - Outstanding resistance to chemicals and abrasion
Thermal stability - Maintains integrity under elevated temperatures
Industrial protective coatings - For chemical plants and refineries
Marine coatings - Protection against saltwater corrosion
Automotive primers - Durable undercoat for vehicle protection
Aerospace composites - High-performance matrix material
| Epoxy Equivalent Weight | g/eq | 650-700 |
| Viscosity at 25°C | cP | 10,000-14,000 |
| Melting Point | °C | 65-75 |
| Gardner Color | - | ≤2 |
| Hydrolyzable Chloride | ppm | ≤400 |
| Softening Point | °C | 70-80 |
| Density at 25°C | g/cm³ | 1.16-1.18 |
| Flash Point | °C | >200 |
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