Structural Bonding and Sealing Adhesives

LOCTITE structural adhesives are engineered to meet a wide range of industrial bonding, sealing and assembly requirements. They are designed to provide superior bond strength, long life and dependability on a variety of substrates and applications. For reliable structural adhesives, choose LOCTITE a name synonymous with the highest quality, superior technical support and exceptional value for over 60 years.


The Henkel range of Structural Bonding products offers a wide choice of solutions to meet the various requirements and conditions that apply to industrial design and construction.


Structural Bonding - Epoxies Structural Bonding - Acrylics Structural Bonding - Silicones
  • Rigid bonding
  • 1- or 2-component solution
  • Capability to fill large gap
  • Very high strength
  • For small to medium surfaces
  • Very good chemical resistance

  • Rigid to slightly flexible bonding
  • 1- or 2-component solution
  • For small surfaces
  • Very high strength
  • Good chemical resistance

  • Flexible bonding
  • 1- or 2-component solution
  • Very high temperature resistance
  • Very good chemical resistance

Advantages

Advantages of structural bondingand sealing methods compared to conventional joining methods

More uniform stress distribution over the entire bond face: This has a very positive effect on the static and dynamic strength achieved. Where welding and riveting result in localized stress peaks, adhesive bonding achieves uniform distribution and absorption of stress loads.

No change in surface and texture of the joined materials: Welding temperatures may change the texture and, therefore, the mechanical properties of materials. In addition, welding, riveting and fastening all affect the visual appearance of the parts.

Weight saving: Adhesives are particularly popular for light-weight constructions, where thin walled parts (wall thickness < 0.5 mm) must be joined.

Sealed joints: Adhesives also act as sealants, preventing loss of pressure or liquids, blocking the penetration of condensation water and protecting against corrosion. Our liquid sealants offer flexibility and fit the requirements of most applications.

Joining dissimilar materials and reducing the risk of corrosion: The adhesive forms an insulating film to prevent contact corrosion when different types of metals are joined. It also acts as electrical and thermal insulator.

The following key points should be observed for the design of bonded joints:
• The surfaces to be joined should be as large as possible for maximum load transmission capability
• Forces acting on the joint should be distributed across the entire bond line

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