Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Modified Cycloaliphatic Amine Curing Agent WK-6619

WK-6619 is a modified cycloaliphatic amine curing agent from Wankai’s WK Series, engineered for high-performance epoxy systems. It delivers rapid cure at ambient temperatures, excellent chemical resistance, low volatility, and superior mechanical properties in composites and coatings. Ideal for aerospace, electronics, and industrial applications requiring toughness and thermal stability.
  • modified cycloaliphatic amine curing agent wk 6619_c7419fa8
  • modified cycloaliphatic amine curing agent wk 6619_c7419fa8

Features Of Modified Cycloaliphatic Amine Curing Agent WK-6619

  1. Enhanced pot life compared to standard aliphatic amines, enabling extended working time at ambient temperature.

  2. Improved thermal and chemical resistance in cured epoxy systems due to rigid cycloaliphatic backbone structure.

  3. Low volatility and reduced skin irritation potential, supporting safer handling in industrial environments.

  4. Excellent adhesion to metallic, concrete, and composite substrates without requiring surface priming.

  5. Compatible with standard DGEBA and modified epoxy resins, offering broad formulation flexibility.

Typical Applications Of Modified Cycloaliphatic Amine Curing Agent WK-6619

  1. High-performance epoxy coatings for industrial flooring and chemical containment areas.

  2. Structural adhesive formulations for aerospace and wind turbine blade assembly.

  3. Electrical encapsulation and potting compounds requiring low exotherm and high dielectric strength.

  4. Repair mortars and polymer-modified grouts for infrastructure rehabilitation projects.

  5. Marine-grade protective coatings exposed to saltwater and UV degradation.

Specifications Of Modified Cycloaliphatic Amine Curing Agent WK-6619

Chemical TypeModified cycloaliphatic amine
Product FormLiquid
AppearancePale yellow to amber clear liquid
Primary ApplicationsEpoxy coating, adhesive, and encapsulation systems
Key FeaturesExtended pot life, low volatility, high Tg capability
BenefitsImproved safety profile, substrate versatility, thermal stability
Storage ConditionStore in original sealed container at 10–30 °C, protect from moisture
Shelf Life12 months from date of manufacture under recommended storage


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