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

Evonik ANCAMINE 2904 Cycloaliphatic Amine Curing Agent

Evonik ANCAMINE 2904 is a high-performance cycloaliphatic amine curing agent from Evonik’s ANCAMINE® series, engineered for epoxy resins. It delivers rapid cure at ambient temperatures, exceptional chemical/thermal resistance, low viscosity, and superior UV stability—ideal for coatings, adhesives, and composites demanding durability and clarity.
  • evonik ancamine 2904 cycloaliphatic amine curing agent_056401a1
  • evonik ancamine 2904 cycloaliphatic amine curing agent_056401a1

Features Of Evonik ANCAMINE 2904 Cycloaliphatic Amine Curing Agent

  1. Low viscosity for excellent epoxy resin compatibility and easy handling.

  2. Fast ambient-cure kinetics without requiring elevated temperatures.

  3. Superior UV stability and color retention due to cycloaliphatic structure.

  4. Low volatility and reduced odor compared to aliphatic amine alternatives.

  5. Good chemical resistance and mechanical performance in cured epoxy systems.

Typical Applications Of Evonik ANCAMINE 2904 Cycloaliphatic Amine Curing Agent

  1. High-performance industrial coatings for metal and concrete substrates.

  2. Electrical encapsulation and potting compounds for electronic components.

  3. Adhesives requiring rapid development of handling strength at room temperature.

  4. Composite matrix resins for aerospace and wind energy applications.

  5. Flooring systems demanding high gloss, durability, and low VOC emissions.

Specifications Of Evonik ANCAMINE 2904 Cycloaliphatic Amine Curing Agent

Chemical TypeCycloaliphatic amine
Product FormLiquid
AppearanceColorless to pale yellow clear liquid
Primary ApplicationsEpoxy curing agent for coatings, adhesives, and composites
Key FeaturesAmbient-curing, low viscosity, UV-stable, low odor
BenefitsImproved pot life control, excellent surface finish, reduced health and safety concerns
Storage StabilityStable under dry, cool conditions (≤25 °C) in sealed containers


Evonik ANCAMINE 2904 Cycloaliphatic Amine Curing Agent – Frequently Asked Questions (FAQ)

Q1: What are the key handling and safety considerations for ANCAMINE 2904?

A: ANCAMINE 2904 is a reactive amine curing agent and should be handled with appropriate personal protective equipment (PPE), including chemical-resistant gloves and eye protection. It is advisable to use in well-ventilated areas and avoid prolonged or repeated skin contact due to its potential sensitizing properties. Refer to the current Safety Data Sheet (SDS) for detailed toxicological and first-aid information.


Q2: How does ANCAMINE 2904 compare to aromatic amine hardeners in terms of yellowing and UV stability?

A: As a cycloaliphatic amine, ANCAMINE 2904 offers significantly improved resistance to yellowing and better UV stability compared to conventional aromatic amines. This makes it suitable for applications where long-term color retention and outdoor exposure are critical, such as high-performance coatings and transparent composites.


Q3: Is ANCAMINE 2904 compatible with standard epoxy resins used in industrial coatings and adhesives?

A: Yes, ANCAMINE 2904 demonstrates good reactivity and compatibility with a broad range of liquid and solid bisphenol-A and bisphenol-F based epoxy resins. It is commonly formulated into high-gloss, chemically resistant coatings, structural adhesives, and electrical encapsulants where fast ambient cure and low viscosity are advantageous.


Q4: What is the typical pot life and cure profile of formulations containing ANCAMINE 2904?

A: Formulations with ANCAMINE 2904 generally exhibit moderate pot life at ambient temperature—sufficient for practical processing—followed by rapid development of hardness and chemical resistance. Cure acceleration may be achieved with mild heat treatment, though full performance is often attained within 24–72 hours at room temperature depending on film thickness and environmental conditions.



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