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

ADEKA Polyamide Curing Agent 640H

ADEKA Polyamide Curing Agent 640H is a high-performance aliphatic polyamide resin from ADEKA’s PA series, engineered for epoxy systems requiring superior flexibility, chemical resistance, and low-temperature cure. It delivers excellent adhesion to metals and composites, low viscosity for easy processing, and extended pot life—ideal for coatings, adhesives, and composite applications demanding durability and reliability.
  • adeka polyamide curing agent 640h_5f462575
  • adeka polyamide curing agent 640h_5f462575

Features Of ADEKA Polyamide Curing Agent 640H

  1. Low-viscosity liquid polyamide offering excellent compatibility with standard epoxy resins.

  2. Provides balanced pot life and rapid ambient-cure performance for efficient production workflows.

  3. Delivers superior flexibility, impact resistance, and adhesion to diverse substrates including metals and concrete.

  4. Low odor and low volatile organic compound (VOC) content, supporting safer handling and regulatory compliance.

  5. Enhanced chemical resistance—particularly to alkalis, salts, and mild solvents—ideal for protective coatings.

Typical Applications Of ADEKA Polyamide Curing Agent 640H

  1. Industrial maintenance coatings for steel structures and offshore platforms.

  2. Concrete floor coatings in warehouses, factories, and parking facilities.

  3. Electrical insulation systems for transformers and encapsulated electronic components.

  4. Marine antifouling and corrosion-protection primers for hulls and ballast tanks.

  5. Adhesives and sealants requiring toughness and environmental durability.

Specifications Of ADEKA Polyamide Curing Agent 640H

Chemical TypePolyamide adduct
Product FormLiquid
AppearanceAmber to light brown transparent liquid
Viscosity (25°C)1,200–1,800 mPa·s
Amine Value320–360 mg KOH/g
Specific Gravity (25°C)0.96–0.99 g/cm³
Flash Point (Cleveland Open Cup)≥180°C
Storage StabilityStable for 12 months at 5–30°C in sealed containers


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