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High reactivity with epoxy resins at ambient and elevated temperatures.
Excellent flexibility and impact resistance in cured epoxy systems.
Good chemical resistance, particularly to alkalis and solvents.
Low viscosity enables easy handling and improved formulation stability.
Non-crystalline structure ensures consistent performance across storage conditions.
Industrial flooring coatings requiring toughness and durability.
Marine and offshore protective coatings for steel substrates.
Concrete repair mortars and structural adhesives.
Electrical encapsulation and insulating varnishes.
Heavy-duty maintenance coatings for infrastructure and equipment.
| Chemical Type | Polyamide adduct |
| Product Form | Liquid |
| Appearance | Amber to brown viscous liquid |
| Primary Applications | Epoxy resin curing agent for protective coatings and adhesives |
| Key Features | Ambient-cure capability, flexibility, chemical resistance |
| Benefits | Improved impact strength, ease of processing, low toxicity profile |
| Recommended Epoxy Equivalent Weight (EEW) Range | 180–220 g/eq |
| Storage Stability | Stable for ≥12 months at 15–25°C in sealed containers |
Q1: What is the primary function of Aradur 955 in epoxy systems?
A: Aradur 955 is a polyamide-based curing agent designed to react with epoxy resins, enabling crosslinking and development of final thermoset properties such as chemical resistance, mechanical strength, and adhesion—particularly in ambient- or low-temperature cure applications.
Q2: Is Aradur 955 suitable for high-humidity or damp-surface applications?
A: Yes—Aradur 955 exhibits good moisture tolerance compared to many amine-based hardeners, making it well-suited for use in industrial maintenance coatings and repair mortars applied under less-than-ideal environmental conditions, including moderate humidity or on slightly damp substrates.
Q3: How does Aradur 955 compare to conventional aliphatic polyamine hardeners in terms of handling safety?
A: As a polyamide derivative, Aradur 955 offers lower volatility and reduced skin sensitization potential relative to low-molecular-weight aliphatic amines, contributing to improved workplace safety and easier handling during formulation and application.
Q4: Can Aradur 955 be used in food-contact or potable water applications?
A: Aradur 955 is not pre-qualified for direct food-contact or potable water applications. Formulators intending such use must conduct full regulatory evaluation—including compatibility testing and compliance verification with relevant local and regional regulations—prior to commercial deployment.
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