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Flexible, low-viscosity polyamide curing agent enabling extended working time and improved wetting of substrates.
Provides excellent adhesion to concrete, steel, and composite surfaces without primer requirement in many formulations.
Delivers balanced mechanical properties—good impact resistance, flexibility, and chemical resistance after full cure.
Low odor and reduced volatility compared to traditional aliphatic amines, supporting safer handling and lower VOC emissions.
Compatible with standard epoxy resins (e.g., DGEBA types) for ambient or elevated temperature cure systems.
Industrial flooring systems—including self-leveling and mortar-based epoxy floor coatings.
Concrete repair mortars and structural strengthening grouts.
Protective coatings for steel infrastructure, such as bridges, pipelines, and marine assets.
Adhesives and laminating resins for composites and wind energy components.
Electrical encapsulation and potting compounds requiring thermal stability and dielectric integrity.
| Chemical Type | Polyamide adduct |
| Product Form | Liquid |
| Appearance | Amber to light brown viscous liquid |
| Primary Applications | Epoxy curing agent for coatings, adhesives, and grouts |
| Key Features | Low viscosity, ambient-cure capability, flexible cured film |
| Benefits | Improved substrate wetting, reduced amine blush, enhanced toughness |
| Storage Stability | Stable under dry, cool conditions (≤30°C); protect from moisture |
| Handling Precautions | Use personal protective equipment; avoid skin contact and inhalation of mists |
Q1: What is the primary function of EPIKURE 3115-X-70A in epoxy systems?
A: EPIKURE 3115-X-70A is a polyamide-based curing agent designed to react with epoxy resins, enabling crosslinking at ambient or slightly elevated temperatures. It delivers balanced pot life, good flexibility, and enhanced chemical resistance in the cured film.
Q2: Is EPIKURE 3115-X-70A suitable for high-humidity or underwater application environments?
A: Yes — this polyamide curing agent exhibits favorable moisture tolerance during cure, making it well-suited for applications where ambient humidity is elevated or where surface moisture cannot be fully eliminated, such as marine coatings, concrete primers, and industrial maintenance systems.
Q3: How does EPIKURE 3115-X-70A compare to aliphatic amine curing agents in terms of handling and safety?
A: Compared to highly reactive aliphatic amines, EPIKURE 3115-X-70A offers lower volatility, reduced skin and respiratory sensitization potential, and milder odor — contributing to improved workplace safety and easier handling during formulation and application.
Q4: Can EPIKURE 3115-X-70A be used in food-contact or potable water coating systems?
A: While EPIKURE 3115-X-70A is not pre-qualified for direct food contact, it has been successfully formulated into epoxy systems that meet relevant regulatory requirements for indirect food contact and potable water immersion — subject to full system validation and end-use compliance testing.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
