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

Evonik Epoxy Curing Agent HAPI

Evonik’s Epoxy Curing Agent HAPI is a high-performance aliphatic amine hardener from the Vestamin® series, designed for fast-curing, low-viscosity epoxy systems. It delivers excellent chemical resistance, flexibility, and adhesion to substrates—ideal for coatings, composites, and construction applications requiring rapid turnaround and durability under demanding conditions.
  • evonik epoxy curing agent hapi_143b246d
  • evonik epoxy curing agent hapi_143b246d

Features Of Evonik Epoxy Curing Agent HAPI

  1. High reactivity with standard epoxy resins, enabling fast gelation and reduced cycle times.

  2. Excellent chemical resistance in cured systems, particularly against alkalis and solvents.

  3. Low viscosity at room temperature for easy handling, metering, and homogeneous mixing.

  4. Halogen-free formulation supporting sustainability goals and compliance with RoHS and REACH.

  5. Good adhesion to diverse substrates including metals, composites, and concrete.

Typical Applications Of Evonik Epoxy Curing Agent HAPI

  1. High-performance structural adhesives for automotive and aerospace assembly.

  2. Electrical encapsulation and potting compounds for power electronics and EV battery modules.

  3. Protective coatings for industrial flooring and corrosion-resistant linings.

  4. Composite matrix resins in wind turbine blade manufacturing and pultrusion processes.

  5. Repair mortars and grouts requiring rapid strength development under ambient conditions.

Specifications Of Evonik Epoxy Curing Agent HAPI

Chemical TypeAmine-based aliphatic curing agent (polyetheramine-modified)
Product FormLiquid
AppearancePale yellow to amber clear liquid
Density (20 °C)~1.02–1.05 g/cm³
Viscosity (25 °C)200–400 mPa·s
Amine Value220–250 mg KOH/g
Primary ApplicationsStructural adhesives, electrical encapsulation, protective coatings, composites
Key FeaturesFast-curing, halogen-free, low-viscosity, chemically resistant


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