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Low-viscosity liquid enabling easy handling and efficient mixing with epoxy resins.
Room-temperature curing capability with balanced reactivity and extended pot life.
Excellent adhesion to metals, composites, and concrete substrates.
Improved toughness and impact resistance in cured epoxy systems.
Reduced amine blush tendency compared to conventional aliphatic amines.
Structural adhesives for aerospace and automotive bonding.
Repair mortars and grouts for industrial flooring and infrastructure rehabilitation.
Composite matrix resins for wind turbine blade manufacturing.
Electrical encapsulation and potting compounds requiring low exotherm.
Marine coatings and underwater repair systems.
| Chemical Type | Modified aliphatic amine |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Epoxy resin curing agent for structural adhesives, mortars, and composites |
| Key Features | Room-temperature cure, low viscosity, low blush, good adhesion |
| Benefits | Enhanced toughness, extended working time, improved substrate wetting |
| Storage Stability | 12 months at 20–25°C in original sealed container |
| Compatibility | Compatible with standard DGEBA and modified epoxy resins |
Q1: What is the primary function of Aradur 2963 in epoxy systems?
A: Aradur 2963 is a modified amine curing agent designed to provide efficient room-temperature or elevated-temperature cure of epoxy resins, delivering good mechanical properties, chemical resistance, and reduced amine blush compared to conventional aliphatic amines.
Q2: Is Aradur 2963 suitable for use in coatings requiring low VOC and low odor?
A: Yes — as a non-volatile, low-odor modified amine, Aradur 2963 supports formulations targeting reduced VOC content and improved workplace handling, particularly in industrial maintenance and protective coating applications.
Q3: How does Aradur 2963 compare to standard DETA or DEEA in terms of reactivity and pot life?
A: Aradur 2963 offers moderated reactivity relative to highly reactive aliphatic amines, enabling extended pot life while still achieving practical gel times and full cure within reasonable timeframes — especially beneficial for larger batch mixing or ambient-cure applications.
Q4: Can Aradur 2963 be used in high-performance composites or structural adhesives?
A: Yes — its modified amine structure contributes to enhanced toughness and interfacial adhesion in epoxy-based composites and adhesives, making it suitable for demanding structural bonding and fiber-reinforced applications where balanced processing and performance are required.
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