Araldite 2019: Cutting-Edge Epoxy Adhesive for Composite Bonding

The epoxy adhesive industry is in constant evolution, and ARALDITE® 2019, formerly known as ARALDITE® AW 4859 / HW 4859, stands out as one of the most high-performance and versatile products in the ARALDITE® catalog. In this article, we will delve into the applications, features, and benefits of ARALDITE® 2019, highlighting why it is a smart choice for a variety of industrial sectors.

Applications of ARALDITE® 2019


ARALDITE® 2019 is an extremely robust adhesive used for bonding metals, thermoplastics, composites, and many other common materials.


  1. Railway Industry: ARALDITE® 2019 adhesive (formerly Araldite AW 4859 / HW 4859) is widely used for assembling components in the railway industry. Its exceptional mechanical strength and ability to withstand high temperatures make it an optimal choice for demanding applications.
  2. Marine Industry: The chemical resistance of ARALDITE® 2019 makes it ideal for marine applications. Whether it’s for repairs, assemblies, or structural reinforcements, this adhesive stands out.
  3. Transportation Sector: From automotive parts to commercial vehicles, ARALDITE® 2019 is a reliable choice for structural assemblies, even in challenging environments.
  4. General Industry: The adhesive is also used in various industrial applications, including construction, maintenance, and repair, thanks to its ability to bond most substrates, including composites.

Features of ARALDITE® 2019


ARALDITE® 2019 distinguishes itself with exceptional technical features, making it a top choice for demanding applications. Here are some of its key features:

  • Two-Component 2:1 Mixing Ratio: The simplicity of the mixing ratio makes this product easy to use, ensuring precise application.
  • Density of 1.1 g/cm³: Optimal density contributes to strong and durable bonding.
  • Thixotropic Viscosity: Thixotropic viscosity allows for precise application, even on vertical or overhead surfaces.
  • Shear Strength of over 25 MPa: With impressive shear strength, ARALDITE® 2019 ensures strong and durable assemblies.
  • Working Time of 100-120 minutes: You have plenty of time to work with precision before the adhesive cures.
  • Black Color: The black color of the adhesive can be aesthetically advantageous in certain applications.


Benefits of Araldite® 2019


ARALDITE® 2019 stands out with undeniable advantages, making it an essential choice for many industrial applications:

  • Exceptional Mechanical Strength: With shear strength of up to 33 MPa, this adhesive offers unparalleled strength, ensuring that assemblies remain robust in the most demanding conditions.
  • High-Temperature Resistance: ARALDITE® 2019 can withstand temperatures of up to 140°C, making it an ideal choice for hot and demanding environments.
  • Chemical Resistance: This product can withstand a variety of chemicals, making it suitable for applications where exposure to corrosive agents is possible.
  • Versatile Bonding: It can adhere to a wide variety of substrates, including most composites, providing great flexibility in applications.

Integration into the ARALDITE® 2000 Core Range: ARALDITE® 2019 has been selected to join the ARALDITE® 2000 Core Range, a range of products known for their ability to cover the majority of structural bonding applications.

More info
Need information on ARALDITE® 2019 or the ARALDITE® product range? Contact our technical service at +33 426 680 680 or fill out our contact form.

Go further

Adhesives & sealants
Discover or rediscover DOWSIL™ 732, the essential versatile acetoxy silicone sealant.
Adhesives & sealants
ARALDITE® 2081-10 Adhesive: High-performance bonding for diverse applications
Samaro Renews Its Participation in Composites Meetings 2023 in Nantes
Adhesives & sealants
Charging Stations for Electric Vehicles: The Importance of Adhesives