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Low-viscosity liquid enabling excellent processability and easy handling in epoxy formulation systems.
Fast-reacting polyetheramine chemistry delivering rapid gel time and accelerated cure at ambient temperatures.
Provides superior flexibility and impact resistance in cured epoxy networks without compromising chemical resistance.
Low volatility and minimal odor support safer workplace environments and compliance with industrial hygiene standards.
Compatible with standard diglycidyl ether of bisphenol A (DGEBA) and other common epoxy resins.
Structural adhesives for aerospace, automotive, and rail assembly.
High-performance protective coatings for marine, offshore, and industrial infrastructure.
Electrical encapsulants and potting compounds requiring fast turnaround and thermal stability.
Wind turbine blade bonding and composite repair formulations.
Concrete repair mortars and high-strength grouts in civil engineering applications.
| Chemical Type | Aliphatic polyetheramine (primary/secondary amine blend) |
| Product Form | Clear to pale yellow liquid |
| Appearance | Homogeneous, free from visible particles or haze |
| Amine Value | 190–210 mg KOH/g |
| Viscosity (25°C) | 150–250 cP |
| Active Hydrogen Equivalent Weight | 48–52 g/eq |
| Primary Applications | Epoxy resin curing agent for structural adhesives, coatings, and composites |
| Key Features | Ambient-cure capability, low viscosity, flexible cured film, low volatility |
Q1: What is the primary function of ED-2003 in epoxy formulations?
A: ED-2003 is a polyetheramine-based curing agent designed to react with epoxy resins to form thermoset networks, delivering enhanced flexibility, low-temperature cure capability, and reduced exotherm compared to conventional amine hardeners.
Q2: How does ED-2003 compare to traditional aliphatic amines in terms of handling and safety?
A: ED-2003 exhibits lower volatility and reduced skin sensitization potential relative to many unmodified aliphatic amines, contributing to improved workplace handling and broader regulatory acceptance in industrial coating and composite applications.
Q3: Can ED-2003 be used in moisture-sensitive or high-humidity environments?
A: Yes — its polyether backbone imparts inherent hydrophobic character and reduced reactivity with ambient moisture, making it more suitable than highly reactive primary amines for applications where humidity control is limited.
Q4: Is ED-2003 compatible with standard epoxy resins such as DGEBA and NOVOLAC types?
A: Yes — ED-2003 demonstrates broad compatibility with common liquid and solid bisphenol-A (DGEBA), bisphenol-F, and phenolic novolac epoxies, enabling formulation flexibility across coatings, adhesives, and composite matrices.
Q5: What guidance can be provided on typical dosage levels for ED-2003?
A: Dosage depends on the specific epoxy resin, desired pot life, and final performance targets; it is generally used at low concentrations relative to stoichiometric amine equivalents, often ranging from 0.1% to 2% by weight in hybrid or co-cure systems, or at higher levels when serving as the primary hardener.
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