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High-purity aliphatic amine formulation with low volatility and minimal odor.
Excellent reactivity with epoxy resins at ambient and elevated temperatures.
Provides superior mechanical properties, including high hardness and chemical resistance in cured systems.
Low viscosity enables easy handling, precise metering, and uniform dispersion in formulations.
Compatible with a broad range of liquid and solid epoxy resins for versatile formulating options.
Structural adhesives for aerospace and automotive bonding.
High-performance coatings for industrial maintenance and marine environments.
Electrical encapsulants and potting compounds requiring thermal stability and dielectric integrity.
Composite matrix resins for wind turbine blades and lightweight structural components.
Flooring and grouting systems demanding rapid cure and abrasion resistance.
| Chemical Type | Aliphatic polyamine |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Epoxy resin curing agent for adhesives, coatings, composites, and encapsulants |
| Key Features | Ambient-cure capability, low exotherm, excellent adhesion to metals and composites |
| Benefits | Reduced processing time, improved toughness, enhanced corrosion protection |
| Storage Stability | Stable under dry, cool conditions (15–25°C) in sealed containers |
Q1: What is the primary function of Aradur 40 in epoxy systems?
A: Aradur 40 is a highly reactive, low-viscosity pure amine curing agent designed to initiate and accelerate the crosslinking reaction of epoxy resins, delivering fast cure development, excellent chemical resistance, and high glass transition temperatures in final cured networks.
Q2: Is Aradur 40 suitable for ambient-cure applications?
A: Yes — Aradur 40 exhibits strong reactivity at room temperature and is commonly used in ambient- or low-temperature-cured epoxy formulations, including coatings, adhesives, and composites where thermal post-curing is impractical or undesirable.
Q3: How does Aradur 40 compare to conventional polyamine curing agents in terms of handling and safety?
A: As a pure amine, Aradur 40 offers higher amine hydrogen functionality per molecule and lower volatility than many blended or adducted amines. It requires standard industrial hygiene practices — including adequate ventilation and skin/eye protection — due to its reactivity and potential for sensitization.
Q4: Can Aradur 40 be used in food-contact or potable water applications?
A: Aradur 40 is not pre-qualified for direct food-contact or potable water applications. Formulators must conduct full regulatory evaluation and validation — including migration testing and compliance assessment — according to applicable regional requirements before use in such end uses.
Q5: What are typical formulation considerations when using Aradur 40?
A: Due to its high reactivity and low viscosity, Aradur 40 is typically used at low concentrations relative to epoxy resin weight. Dosage depends on formulation requirements, desired pot life, and cure profile — users should perform small-scale trials to optimize stoichiometry, mixing efficiency, and processing conditions.
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