Toughened epoxy adhesive

SAS 521 Tough Epoxy

Typical Applications

  • Structural bonding for the automotive, marine and transportation industries
  • Repair of vehicles
  • Bonding of metal structures
  • Assembly of electronic components

Data Sheets

Contact Details

SAS 521 is a two-part room temperature cure toughened adhesive offering exceptionally high peel, shear and impact strength, high temperature resistance and tolerance to oil contaminated surfaces. SAS 521 is ideal for structural engineering, electronics, maintenance and repair.

SAS 521 is supplied in a handy to use twin cartridge, ensuring full mixing of both components and easy application of adhesive.

Additional information

Pack Size

25ml, 50ml, 400ml


Twin Syringe, Twin Cartridge, Twin Cartridge



Safety Information

Alpha SAS521 is classified as hazardous according to Directive EC 1272/2008. Please refer to the Alpha SAS521 Safety Data Sheets for further health & safety information.

Additional Information

Alpha SAS521 will keep satisfactorily for up to 24 months from date of manufacture if stored according to the recommended conditions.


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