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Low-viscosity liquid formulation enabling excellent mixing and processing with epoxy resins.
Fast ambient-cure capability without requiring elevated temperature post-curing.
Superior flexibility and impact resistance in cured epoxy systems.
Good chemical resistance, particularly to water, salts, and mild alkalis.
Low exotherm profile, reducing thermal stress and minimizing risk of cracking in thick-section castings.
Structural adhesives for automotive and transportation assembly.
Electrical potting and encapsulation compounds for transformers and control units.
Flooring and industrial coating systems requiring rapid return-to-service.
Repair mortars and grouts for concrete infrastructure rehabilitation.
Composite matrix resins for pultrusion and filament winding of medium-performance profiles.
| Chemical Type | Modified aliphatic amine |
| Product Form | Liquid |
| Appearance | Pale yellow to amber clear liquid |
| Primary Applications | Ambient-cure structural adhesives, potting, coatings, and repair systems |
| Key Features | Low viscosity, fast ambient cure, flexible cured film, low exotherm |
| Benefits | Improved handling safety, reduced energy consumption, enhanced toughness and adhesion |
| Storage Stability | At least 12 months in unopened original containers at 20–25°C |
Q1: What is the primary function of Aradur 837 in epoxy systems?
A: Aradur 837 is a modified amine curing agent designed to provide efficient room-temperature or elevated-temperature cure of epoxy resins, delivering good chemical resistance, mechanical strength, and reduced amine blush compared to conventional aliphatic amines.
Q2: Is Aradur 837 suitable for coatings requiring low VOC and low odor?
A: Yes — Aradur 837 is formulated to offer lower volatility and reduced odor relative to standard aliphatic amines, supporting compliance with industrial requirements for low-VOC coating systems without sacrificing cure performance.
Q3: How does Aradur 837 compare to standard DETA or DEEA in terms of handling and safety?
A: As a modified amine, Aradur 837 exhibits lower skin sensitization potential and improved handling characteristics versus unmodified diethylenetriamine (DETA) or diethylaminoethanol (DEEA), though appropriate PPE and workplace ventilation remain essential per standard industrial hygiene practices.
Q4: Can Aradur 837 be used in high-solids or solvent-free epoxy formulations?
A: Yes — its reactivity profile and viscosity make it well-suited for high-solids, low-solvent, and 100%-solids epoxy systems, including flooring, grouts, and structural adhesives where low shrinkage and good wetting are required.
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E-mail: wangxingqiang@ericwchem.com
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