Sikaflex®-500 Series products have a proven track record in all kinds of adhesive bonding and sealing applications in industrial manufacturing. The Sikaflex®-500 Series is based on Sika’s own Silane Terminated Polymer (STP) Technology, which combines the high strength and durability of polyurethanes with sustainability and easy processing of silicones.
"The Sikaflex®-500 Series provides the best results for industrial sealing and bonding processes."
Sikaflex®-500 products share common characteristics:
- They perform: their unique structure makes them stronger and longer-lasting than typical SMPs
- They are simple to process: since they bond well to a large variety of materials without primer
- They are safe to use: not only by professionals but also by DIY enthusiasts, as they are free of isocyanates and other hazardous substances
"With the Experts’ Choice Sika keeps it simple for you: three products for three clearly defined use cases."
Sikaflex®-521 UV: The All-Rounder
Sikaflex®-521 UV, the All-rounder, stands out with its versatility for all kind of sealing and bonding applications. It stays white when used on exposed joints.
Sikaflex®-521 UV is a weathering-resistant STP adhesive sealant with primerless adhesion to a wide variety of bonding surfaces. Sikaflex®-521 UV has excellent weathering resistance and is the ideal solution for internal and external sealing applications as well as adhesive bonding applications with low or moderate strength requirements.
Areas of application:
Sikaflex®-521 UV is suitable for all kind of sealing and basic adhesive bonding applications in industrial manufacturing. It can be painted and provides high color stability when exposed to sunlight. It adheres without special surface treatment to glass, metals, metal primers, GRP and paint coatings.
- ISEGA-certified for foodstuff area usage
Sikaflex®-545: The High Grab Expert
Sikaflex®-545 instantly holds large components in place and speeds up the assembly by eliminating the need for spacers and tapes.
Sikaflex®-545 is a low emission STP adhesive sealant with primerless adhesion to a wide variety of bonding surfaces. It combines the ability to instantly hold heavy and large components without the need for spacers and tapes with excellent workability. It adheres without primer to a wide range of substrates. Sikaflex®-545 is the ideal solution for fast assembly processes where low or moderate strength is required.
Areas of application:
Sikaflex®-545 is the solution that instantly holds components in place, making use of spacers and tapes obsolete. Sikaflex®-545 bonds without primer to a broad range of materials such as glass, metals, metal primers, GRP and paint coatings.
- EC1-certified
Sikaflex®-554: The Strength Expert
Areas of application:
Sikaflex®-554 is the best choice for structural adhesive joints that will be subjected to dynamic stresses. It is ideal for industrial assembly, vehicle production and repair. It cures independently of air humidity with SikaBooster®. It bonds well with minimal pre-treatment to a broad range of materials such as timber, glass, metals, metal primers and paint coatings, ceramic materials and plastics.
- ISEGA-certified for foodstuff area usage
Sikaflex®-554 PowerCure: The Speed Expert
With the Speed Expert Sikaflex®-554 PowerCure, your vehicle can get back on the road faster.
Sikaflex®-554 PowerCure is a fast-curing structural STP assembly adhesive with primerless adhesion to a wide variety of bonding surfaces. It cures regardless of air moisture using Sikaflex® Booster Technology and provides high final strength. It is suitable for joints that will be subject to dynamic stresses. Sikaflex®-554 PowerCure is the ideal solution for load bearing assembly applications where the component or vehicle has to be moved or put into operation quickly.
Areas of application:
Sikaflex®-554 PowerCure is the best choice for structural adhesive joints that will be subjected to dynamic stresses. It is ideal for industrial assembly, vehicle production and repair. It cures independently of air humidity with SikaBooster®. It bonds well with minimal pre-treatment to a broad range of materials such as timber, glass, metals, metal primers and paint coatings, ceramic materials and plastics.
- ISEGA-certified for foodstuff area usage