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

Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3380

Hexion EPIKURE™ 3380 is a cycloaliphatic amine epoxy curing agent from the EPIKURE® series, offering fast ambient-cure performance, excellent chemical/thermal resistance, low viscosity, and low exotherm—ideal for high-performance composites, coatings, and adhesives requiring superior durability and clarity.
  • hexion cycloaliphatic amine epoxy curing agent epikure 3380_6b4e54b6
  • hexion cycloaliphatic amine epoxy curing agent epikure 3380_6b4e54b6

Features Of Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3380

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

  2. Fast reactivity at ambient temperature, enabling rapid cure without forced heating.

  3. Superior UV and weather resistance due to cycloaliphatic amine structure.

  4. Excellent chemical and corrosion resistance in aggressive environments.

  5. Low exotherm profile, reducing thermal stress and minimizing cracking in thick-section castings.

Typical Applications Of Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3380

  1. High-performance protective coatings for industrial infrastructure and marine assets.

  2. Electrical encapsulation and potting compounds for transformers and power electronics.

  3. Structural adhesives requiring rapid development of handling strength.

  4. Non-sagging grouts and mortars for precision machinery mounting.

  5. UV-stable clear topcoats for decorative and functional flooring systems.

Specifications Of Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3380

Chemical TypeCycloaliphatic amine
Product FormLiquid
AppearanceClear, pale yellow liquid
Primary ApplicationsCoatings, adhesives, encapsulants, and composites
Key FeaturesAmbient-cure, low viscosity, UV stable, low exotherm
BenefitsImproved productivity, extended service life, reduced energy consumption
Storage Stability12 months at 25°C in original unopened container
CompatibilityStandard bisphenol-A and bisphenol-F epoxy resins


Hexion Cycloaliphatic Amine Epoxy Curing Agent EPIKURE 3380 – Frequently Asked Questions (FAQ)

Q1: What are the key performance advantages of EPIKURE 3380 compared to conventional aliphatic amine curing agents?

A: EPIKURE 3380 offers improved hydrolytic stability, reduced volatility, and lower skin sensitization potential due to its cycloaliphatic structure. It provides excellent chemical resistance and thermal performance in cured epoxy systems while maintaining good pot life and handling characteristics.


Q2: Is EPIKURE 3380 suitable for high-gloss, UV-stable coating applications?

A: Yes — its low color, high clarity, and inherent resistance to yellowing under UV exposure make it well-suited for premium protective and decorative coatings where long-term gloss retention and appearance stability are critical.


Q3: How does EPIKURE 3380 perform in low-temperature cure scenarios?

A: It demonstrates effective reactivity at ambient to moderately low temperatures (e.g., down to ~10–15 °C), enabling practical cure profiles without forced heating — though full property development may require post-cure depending on film thickness and environmental conditions.


Q4: Can EPIKURE 3380 be used in food-contact or potable water applications?

A: EPIKURE 3380 is not pre-approved for direct food-contact or potable water applications. Formulators must conduct full regulatory evaluation and validation per applicable regional requirements, as final compliance depends on the complete cured system composition and intended use conditions.



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