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Low-viscosity liquid enabling excellent mixing and processing with epoxy resins.
Fast-reacting modified amine chemistry for rapid gelation and early handling strength.
Excellent adhesion to metals, composites, and concrete substrates.
Good flexibility and impact resistance in cured epoxy systems.
Compatible with standard diglycidyl ether of bisphenol-A (DGEBA) and novolac epoxy resins.
Structural adhesives for aerospace and automotive bonding.
High-performance potting and encapsulation compounds.
Industrial flooring and protective coatings requiring fast turnaround.
Composite repair formulations for wind turbine blades and marine structures.
Electrical insulation systems in transformers and busbars.
| Chemical Type | Modified aliphatic amine |
| Product Form | Liquid |
| Appearance | Pale yellow to amber transparent liquid |
| Primary Applications | Epoxy adhesive, coating, and composite systems |
| Key Features | Fast cure, low viscosity, good substrate adhesion |
| Benefits | Reduced cycle time, improved productivity, enhanced toughness |
| Storage Stability | Stable under dry, cool conditions (≤25°C) for ≥12 months |
| Reactivity Profile | Room-temperature curable; accelerated at elevated temperatures |
Q1: What is the primary function of Aradur 2863-1 in epoxy systems?
A: Aradur 2863-1 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 exotherm compared to conventional aliphatic amines.
Q2: Is Aradur 2863-1 suitable for applications requiring low volatility and improved handling safety?
A: Yes — as a modified amine, it exhibits significantly lower vapor pressure and reduced skin sensitization potential compared to unmodified primary aliphatic amines, making it more suitable for industrial formulations where operator exposure and workplace ventilation are key considerations.
Q3: How does Aradur 2863-1 compare to standard DETA or DEEDA in terms of pot life and cure speed?
A: Aradur 2863-1 typically offers extended pot life at ambient temperature while maintaining reliable reactivity upon heating, providing greater formulation flexibility than highly reactive, low-molecular-weight amines like DETA or DEEDA.
Q4: Can Aradur 2863-1 be used in coatings or adhesives intended for food-contact or potable water applications?
A: While Aradur 2863-1 is not pre-approved for regulated end uses, its modified structure supports development of compliant systems when formulated with appropriate epoxy resins and processed under validated conditions; final regulatory compliance must be confirmed by the finished product manufacturer through full application testing and regulatory review.
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E-mail: wangxingqiang@ericwchem.com
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