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High-performance aliphatic polyamide curing agent designed for ambient-cure epoxy systems.
Delivers excellent flexibility and impact resistance in cured epoxy coatings and adhesives.
Offers good moisture tolerance and extended pot life compared to conventional amine hardeners.
Provides superior adhesion to metals, concrete, and composite substrates.
Low viscosity enables easy handling, efficient mixing, and improved wetting of fillers and reinforcements.
Industrial maintenance and protective coatings for steel structures and pipelines.
Concrete repair mortars and flooring systems requiring ambient-cure performance.
Structural adhesives for transportation and wind energy composite bonding.
Epoxy-based grouts and anchoring systems in construction and infrastructure.
Electrical encapsulation and potting compounds demanding low exotherm and dimensional stability.
| Chemical Type | Aliphatic polyamide |
| Product Form | Liquid |
| Appearance | Amber to light brown viscous liquid |
| Primary Applications | Ambient-cure epoxy coatings, adhesives, mortars, and grouts |
| Key Features | Moisture-tolerant, flexible cure, extended working time |
| Benefits | Enhanced toughness, substrate adhesion, and application versatility |
| Storage Stability | Stable under dry, cool conditions (15–25°C); protect from moisture |
Q1: What is the primary application of EPIKURE 3140A?
A: EPIKURE 3140A is a polyamide-based curing agent designed primarily for use in ambient-cure epoxy systems, especially where flexibility, chemical resistance, and adhesion to damp or marginally prepared substrates are required — commonly in industrial maintenance coatings, flooring systems, and corrosion protection primers.
Q2: How does EPIKURE 3140A compare to conventional aliphatic polyamide curing agents in terms of pot life and film formation?
A: EPIKURE 3140A offers an extended working time relative to many standard polyamides, supporting improved application window in moderate ambient conditions. It also promotes good film formation with balanced hardness development and retained toughness, without requiring elevated temperature post-cure in most formulations.
Q3: Is EPIKURE 3140A compatible with standard liquid epoxy resins?
A: Yes, EPIKURE 3140A is broadly compatible with common diglycidyl ether of bisphenol-A (DGEBA) and bisphenol-F (DGEBF) epoxy resins, as well as many modified epoxy systems. Compatibility and reactivity should be verified experimentally for specific resin grades and formulation targets.
Q4: What are typical handling and storage recommendations?
A: Store in original unopened containers in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat. Keep containers tightly sealed when not in use to prevent moisture absorption and viscosity increase. Avoid prolonged skin contact and follow recommended industrial hygiene practices during handling.
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E-mail: wangxingqiang@ericwchem.com
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