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Low-viscosity aliphatic amine-based curing agent enabling excellent flow and wetting on diverse substrates.
Fast-reacting at ambient temperature with good pot life control for efficient production scheduling.
Delivers high crosslink density, resulting in superior chemical resistance and mechanical strength in cured epoxy systems.
Low volatility and reduced amine odor compared to conventional aliphatic amines—improves workplace safety and handling.
Compatible with standard DGEBA-type epoxy resins without requiring solvents or reactive diluents.
High-performance industrial floor coatings for factories, warehouses, and cleanrooms.
Structural adhesives in automotive and transportation assembly where rapid fixture and durability are critical.
Electrical encapsulation and potting compounds for transformers, sensors, and power electronics.
Repair mortars and grouts for concrete infrastructure requiring fast turnaround and chemical resistance.
Marine and offshore protective coatings exposed to saltwater, humidity, and UV stress.
| Chemical Type | Aliphatic polyamine adduct |
| Product Form | Liquid |
| Appearance | Clear to pale yellow, homogeneous liquid |
| Primary Applications | Room-temperature-cure epoxy coatings, adhesives, and composites |
| Key Features | Low viscosity, low odor, ambient reactivity, high crosslink density |
| Benefits | Improved worker safety, enhanced substrate wetting, reduced VOC potential, consistent cure performance |
| Storage Stability | ≥12 months in original sealed container at 15–25°C |
| Recommended Mix Ratio (by weight) | 100 parts epoxy resin : 8–12 parts Kukdo 6305 (varies by resin type) |
Q1: What is the primary chemical class and functional mechanism of Kukdo 6305?
A: Kukdo 6305 is an amine-functional epoxy curing agent, designed to react with epoxy resins via nucleophilic addition. It functions as a latent or semi-latent hardener, offering controlled reactivity that supports extended pot life and efficient cure development under thermal activation.
Q2: Is Kukdo 6305 suitable for high-gloss, low-VOC coating systems?
A: Yes — its low volatility and compatibility with common solvent-free and low-solvent epoxy formulations make it well-suited for high-performance industrial coatings where surface aesthetics, minimal emissions, and film integrity are critical.
Q3: How does Kukdo 6305 compare to conventional DICY-based hardeners in terms of processing flexibility?
A: Unlike traditional dicyandiamide (DICY) systems, Kukdo 6305 offers improved dispersibility in liquid epoxy resins and reduced sensitivity to moisture during storage, enabling more consistent dosing and broader processing windows in both ambient and elevated-temperature cure schedules.
Q4: Can Kukdo 6305 be used in electrically insulating epoxy compounds?
A: Yes — when fully cured in properly formulated systems, it contributes to high volume resistivity and dielectric strength, supporting applications in electrical encapsulation and insulation where long-term stability under thermal stress is required.
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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
