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Fast-reacting aliphatic amine-based curing agent for rapid ambient-cure epoxy coatings.
Excellent chemical resistance, particularly to alkalis, solvents, and industrial cleaning agents.
Low viscosity enables easy handling, precise metering, and superior wetting of substrates.
Low color and low volatility support high-gloss, aesthetically consistent finishes.
Compliant with major global regulatory frameworks including REACH and TSCA.
Industrial floor coatings for warehouses, manufacturing facilities, and cleanrooms.
Heavy-duty protective linings for concrete tanks, bunds, and secondary containment structures.
Corrosion-resistant coatings for steel infrastructure in marine and offshore environments.
Food-grade and pharmaceutical facility flooring requiring FDA-compliant cured systems.
High-performance maintenance coatings for power generation and water treatment plants.
| Chemical Type | Aliphatic polyamine adduct |
| Product Form | Liquid |
| Appearance | Clear to pale yellow liquid |
| Primary Applications | Ambient-cure epoxy coatings and linings |
| Key Features | Fast cure, low viscosity, low VOC, excellent adhesion |
| Benefits | Reduced downtime, improved productivity, enhanced durability |
| Storage Stability | 12 months at 20–25°C in original unopened container |
| Compatibility | Designed for use with standard bisphenol-A and bisphenol-F epoxy resins |
Q1: What is the primary function of ARADUR 145 BD in epoxy coating systems?
A: ARADUR 145 BD is a low-viscosity, amine-functional curing agent designed to react with epoxy resins—particularly solid or high-molecular-weight bisphenol A and F types—to form durable, chemically resistant thermoset networks suitable for industrial protective coatings.
Q2: Is ARADUR 145 BD suitable for ambient-cure applications?
A: Yes, it enables practical ambient-temperature cure profiles in formulated epoxy coatings, though full property development—including chemical resistance and hardness—may benefit from mild thermal post-cure depending on film thickness and environmental conditions.
Q3: How does ARADUR 145 BD compare to traditional polyamide or aromatic amine curing agents in terms of handling and safety?
A: It offers lower volatility and reduced skin sensitization potential compared to many conventional aromatic amines, while maintaining good reactivity. As with all amine-based curing agents, appropriate personal protective equipment and workplace ventilation are recommended during handling and formulation.
Q4: Can ARADUR 145 BD be used in high-solids or solvent-free epoxy coating formulations?
A: Yes, its low viscosity and compatibility with common epoxy resins make it well-suited for high-solids and low-VOC formulations, supporting improved film build and reduced emissions without compromising pot life or final performance.
Q5: What guidance is available for optimizing the resin-to-curing-agent ratio?
A: The optimal stoichiometric ratio depends on the epoxy equivalent weight (EEW) of the selected resin and desired balance of properties. Formulators should perform small-scale trials using amine hydrogen equivalent weight (AHEW) calculations and adjust based on target cure speed, flexibility, and chemical resistance requirements.
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