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Low-viscosity liquid enabling easy handling and efficient mixing with epoxy resins.
Modified aliphatic amine chemistry providing improved flexibility and reduced brittleness in cured systems.
Reduced volatility and lower odor compared to conventional amine curing agents, enhancing workplace safety.
Good compatibility with standard bisphenol-A and bisphenol-F epoxy resins.
Enables room-temperature or elevated-temperature cure profiles with balanced pot life and cure speed.
Industrial maintenance coatings for steel and concrete substrates.
Electrical encapsulation and potting compounds requiring low shrinkage and thermal stability.
Adhesives for structural bonding in transportation and wind energy components.
Flooring systems demanding chemical resistance and abrasion durability.
Composite matrix formulations for pultrusion and filament winding processes.
| Chemical Type | Modified aliphatic amine |
| Product Form | Liquid |
| Appearance | Clear to pale yellow liquid |
| Density (25°C) | ~0.92–0.96 g/cm³ |
| Viscosity (25°C) | ~150–300 mPa·s |
| Amine Value | ~380–420 mg KOH/g |
| Reactive Hydrogen Equivalent Weight | ~130–150 g/eq |
| Primary Applications | Coatings, adhesives, composites, encapsulants |
Q1: What is the primary function of D.E.H.2480 in epoxy systems?
A: D.E.H.2480 is a modified amine curing agent designed to enable ambient- or low-temperature cure of epoxy resins, offering improved flexibility, reduced brittleness, and enhanced adhesion compared to conventional aliphatic amines.
Q2: Is D.E.H.2480 compatible with standard bisphenol-A and bisphenol-F epoxy resins?
A: Yes, D.E.H.2480 demonstrates broad compatibility with common liquid and solid epoxy resins, including diglycidyl ether of bisphenol-A (DGEBA) and bisphenol-F types, and is frequently used in coatings, adhesives, and composite matrix formulations.
Q3: How does D.E.H.2480 compare to traditional aliphatic amine hardeners in terms of pot life and cure speed?
A: D.E.H.2480 provides a more balanced profile—offering extended working time (pot life) than highly reactive aliphatic amines while still enabling practical cure at room temperature or with mild thermal assistance, making it suitable for industrial processing where handling time and throughput are both critical.
Q4: What safety or handling considerations apply to D.E.H.2480?
A: As with most amine-based curing agents, D.E.H.2480 may cause skin and eye irritation and should be handled using appropriate personal protective equipment (PPE), including gloves and eye protection. Good ventilation is recommended during mixing and application.
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