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

Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3388

Hexion EPIKURE™ 3388 is a cycloaliphatic amine epoxy curing agent from the EPIKURE® series offering fast ambient cure low viscosity and excellent chemical resistance ideal for high-performance composites coatings and adhesives requiring superior UV stability and glass transition temperature.
  • hexion cycloaliphatic amine epoxy curing agent epikure 3388_ac5470f1
  • hexion cycloaliphatic amine epoxy curing agent epikure 3388_ac5470f1

Features Of Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3388

  1. Low viscosity for excellent processability and ease of handling in solvent-free systems.

  2. Fast reactivity at ambient temperature with superior cure speed compared to conventional aliphatic amines.

  3. Excellent chemical resistance, particularly to solvents, acids, and alkalis after full cure.

  4. High glass transition temperature (Tg) and thermal stability for demanding structural applications.

  5. Low volatility and low skin sensitization potential, supporting safer industrial handling.

Typical Applications Of Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3388

  1. High-performance protective coatings for industrial steel and concrete infrastructure.

  2. Electrical encapsulation and potting compounds requiring dielectric integrity and thermal reliability.

  3. Composite matrix resins for aerospace and wind energy components.

  4. Adhesives and structural bonding systems in transportation manufacturing.

  5. Flooring and grouting systems demanding rapid turnaround and long-term durability.

Specifications Of Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3388

Chemical TypeCycloaliphatic amine
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsCoatings, composites, adhesives, encapsulation
Key FeaturesAmbient-cure capability, low viscosity, high Tg, low volatility
BenefitsImproved productivity, enhanced chemical/thermal resistance, reduced VOC impact
Storage Stability12 months at 25°C in original sealed container


Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3388 – Frequently Asked Questions (FAQ)

Q1: What are the key performance advantages of EPIKURE 3388 compared to conventional aliphatic amines?

A: EPIKURE 3388 offers enhanced thermal stability, lower volatility, and improved hydrolytic resistance due to its cycloaliphatic structure. It typically delivers superior glass transition temperature (Tg) and mechanical retention at elevated temperatures in cured epoxy systems, while maintaining good compatibility with standard epoxy resins.


Q2: Is EPIKURE 3388 suitable for high-gloss, UV-stable coatings?

A: Yes — its low chromophore content and saturated ring structure contribute to excellent color stability and resistance to yellowing under UV exposure and thermal aging, making it well-suited for demanding decorative and protective coating applications where long-term gloss and clarity are critical.


Q3: How does EPIKURE 3388 perform in terms of pot life and cure speed at ambient temperature?

A: It provides a balanced reactivity profile — offering extended working time (pot life) relative to fast-reacting aliphatic amines, while still enabling practical ambient-temperature cure development. Full property development may benefit from mild thermal post-cure, depending on film thickness and formulation.


Q4: Can EPIKURE 3388 be used in adhesives requiring low exotherm and minimal shrinkage?

A: Yes — its moderate reactivity and molecular architecture support controlled heat release during cure, helping reduce internal stress and shrinkage. This makes it a preferred choice for precision bonding applications where dimensional stability and low warpage are essential.



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