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High-purity aliphatic amine formulation with low volatility and minimal odor.
Excellent compatibility with standard epoxy resins for consistent cure performance.
Enables rapid room-temperature curing while maintaining extended pot life.
Delivers superior mechanical properties, including high tensile strength and impact resistance.
Low viscosity facilitates easy handling, metering, and uniform mixing in industrial systems.
Structural adhesives for aerospace and automotive bonding.
High-performance composite matrices in wind turbine blade manufacturing.
Electrical encapsulation and potting compounds for power electronics.
Industrial flooring and heavy-duty protective coatings.
Repair mortars and grouts requiring fast turnaround and chemical resistance.
| Chemical Type | Aliphatic polyamine |
| Product Form | Liquid |
| Appearance | Pale yellow to colorless clear liquid |
| Primary Applications | Epoxy resin curing agent |
| Key Features | Room-temperature cure, low volatility, high reactivity |
| Benefits | Improved productivity, reduced VOC emissions, enhanced interfacial adhesion |
| Density (25°C) | Approx. 0.92–0.94 g/cm³ |
| Reactive Amine Hydrogen Equivalent Weight | ~65–70 g/eq |
Q1: What is the primary function of Aradur 21 in epoxy systems?
A: Aradur 21 is a pure amine-based curing agent designed to react with epoxy resins to form thermoset networks, delivering excellent chemical resistance, mechanical strength, and adhesion—particularly in high-performance industrial coatings and composites.
Q2: Is Aradur 21 suitable for low-VOC or solvent-free formulations?
A: Yes—Aradur 21 is a low-viscosity, reactive liquid with negligible volatility, making it well-suited for low-VOC and 100% solids epoxy systems commonly used in flooring, tank linings, and protective coatings.
Q3: How does Aradur 21 compare to conventional polyamine curing agents in terms of handling and pot life?
A: As a pure amine, Aradur 21 offers improved consistency and reduced variability compared to blended or modified amines. It typically provides a balanced pot life—sufficient for processing and application—while enabling rapid development of early hardness and chemical resistance at ambient or moderately elevated temperatures.
Q4: Can Aradur 21 be used in food-contact or potable water applications?
A: Aradur 21 is not pre-qualified for direct food-contact or potable water use. Formulators must conduct full system-level compliance testing—including migration evaluation and regulatory review—against applicable regional requirements before such use.
Q5: What are typical storage and handling precautions for Aradur 21?
A: Store in tightly sealed containers under dry, cool conditions away from moisture, strong oxidizers, and acidic materials. Due to its amine functionality, avoid prolonged skin contact and ensure adequate ventilation during handling; refer to the current Safety Data Sheet (SDS) for detailed occupational hygiene guidance.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
