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Fast-curing amine-based hardener optimized for ambient- and low-temperature cure of epoxy coatings.
Excellent chemical resistance, particularly to alkalis, solvents, and industrial cleaning agents.
Low viscosity enables easy metering, mixing, and application via spray, roller, or trowel.
Improved flexibility and impact resistance in cured films without compromising hardness.
Complies with REACH and meets VOC requirements for industrial protective coating systems.
Industrial floor coatings for warehouses, manufacturing facilities, and logistics centers.
Chemical-resistant linings for concrete tanks, bunds, and secondary containment structures.
Heavy-duty protective coatings for steel infrastructure in marine and offshore environments.
Food-grade and pharmaceutical facility flooring requiring FDA-compliant cured systems.
Repair mortars and high-build epoxy overlays for damaged concrete substrates.
| Chemical Type | Aliphatic polyamine adduct |
| Product Form | Liquid |
| Appearance | Pale yellow to amber clear liquid |
| Primary Applications | Epoxy coating and lining systems |
| Key Features | Ambient-cure capability, low exotherm, good pot life |
| Benefits | Reduced application downtime, improved worker safety, consistent film performance |
| Storage Stability | 12 months at 20°C in original unopened container |
| Recommended Mix Ratio (by weight) | Typically 100:15–20 with Huntsman EPON resins (e.g., EPON 828) |
Q1: What is the primary function of ARADUR 42 CI in epoxy coating systems?
A: ARADUR 42 CI is a cycloaliphatic amine-based curing agent designed to provide rapid ambient-cure performance, excellent chemical resistance, and low color development in high-performance epoxy coatings for industrial and protective applications.
Q2: Is ARADUR 42 CI suitable for use in food-contact or potable water coating systems?
A: ARADUR 42 CI is not pre-qualified for direct food-contact or potable water applications. Formulators must conduct full regulatory evaluation—including migration testing and compliance verification—against applicable regional requirements before use in such sensitive end uses.
Q3: How does ARADUR 42 CI compare to conventional aliphatic amines in terms of pot life and film hardness development?
A: Compared to standard aliphatic amines, ARADUR 42 CI offers extended pot life at ambient temperatures while delivering faster through-hardness development and improved early mechanical resistance—making it well-suited for high-throughput industrial coating lines.
Q4: Can ARADUR 42 CI be blended with other curing agents to modify cure profile or performance?
A: Yes, ARADUR 42 CI is compatible with selected polyamide and amidoamine curing agents, allowing formulators to fine-tune reactivity, flexibility, and chemical resistance. Compatibility and performance should be verified experimentally for each specific blend ratio and resin system.
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