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High reactivity with epoxy resins enabling rapid cure at ambient and elevated temperatures.
Low viscosity for excellent compatibility and ease of handling in solvent-based and solvent-free formulations.
Excellent chemical resistance and mechanical performance in cured epoxy systems.
Good flexibility retention combined with high crosslink density for balanced toughness and hardness.
Designed for low-migration, low-odor applications meeting stringent industrial hygiene requirements.
Industrial maintenance coatings for steel and concrete infrastructure.
Electrical encapsulation and potting compounds for transformers and busbars.
Adhesives and structural bonding systems in transportation and wind energy sectors.
High-performance flooring systems requiring fast turnaround and chemical resistance.
Composite matrix resins for pultrusion and filament winding processes.
| Chemical Type | Aliphatic polyamine adduct |
| Product Form | Liquid |
| Appearance | Pale yellow to amber clear liquid |
| Amine Value (mg KOH/g) | 210–230 |
| Viscosity (mPa·s at 25°C) | 300–600 |
| Density (g/cm³ at 20°C) | 0.95–0.98 |
| Primary Applications | Epoxy resin curing for coatings, adhesives, composites and electrical encapsulation |
| Key Features | Ambient-cure capability, low volatility, good hydrolytic stability |
Q1: What is the primary function of BECKOCURE EH 2240 70MP in epoxy systems?
A: BECKOCURE EH 2240 70MP is a low-viscosity, aliphatic amine-based curing agent designed to accelerate the crosslinking of epoxy resins at ambient or slightly elevated temperatures, delivering rapid development of mechanical strength and chemical resistance.
Q2: Is BECKOCURE EH 2240 70MP suitable for food-contact or potable water applications?
A: This product is not pre-qualified for direct food-contact or potable water applications. Formulators must conduct full regulatory evaluation—including migration testing and compliance verification—based on final cured system composition, intended use conditions, and applicable regional regulations.
Q3: How does BECKOCURE EH 2240 70MP compare to traditional DETA or DEEDA in terms of handling and safety?
A: Unlike highly volatile or skin-sensitizing aliphatic amines, EH 2240 70MP offers lower volatility and reduced dermal irritation potential, supporting improved workplace handling—though appropriate PPE and ventilation remain essential during processing.
Q4: What types of epoxy resins is BECKOCURE EH 2240 70MP typically compatible with?
A: It demonstrates broad compatibility with standard liquid and solid bisphenol-A and bisphenol-F epoxy resins, as well as many cycloaliphatic and novolac epoxies—formulation optimization is recommended to achieve desired pot life, cure profile, and final film properties.
Q5: Can BECKOCURE EH 2240 70MP be used in high-humidity or damp-surface applications?
A: While it exhibits better moisture tolerance than many conventional amine hardeners due to its molecular structure, performance under sustained high humidity or on visibly damp substrates requires careful formulation adjustment and application-specific validation.
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E-mail: wangxingqiang@ericwchem.com
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