SAS 522



SAS 522 is a two-part room temperature cure toughened adhesive offering good peel and impact strength and good resistance to most chemical, water and oil. It will bond metals, wood and most plastics.


  • Cures at room temperature

  • Excellent impact resistance

  • Resistant to dilute acids, dilute alkalis, hydrocarbon solvents and most other chemicals encountered

  • Excellent resistance to water and can be applied in damp conditions


Alpha SAS 522 is suitable for the following applications:

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


The following technical information and data should be considered representative or typical only. Therefore, the information should not be used for specification purposes.


The general application information presented here is based upon typical conditions determined by Alpha Adhesives & Sealants Limited testing. Our recommendations on the use of this product are based on methods believed to be reliable. It is advised that users conduct their own tests to determine the suitability of the product for their specific application.

All substrate surfaces should be abraded using abrasion paper or air-driven narrow belt sander. It is imperative that the surfaces are then cleaned of any dust, grit, loose material, wax, grease and oil using a suitable cleaner such as Alpha T559.

  1. Mix 2 parts of SAS522 Part A with 3 parts of SAS522 Part B in a clean container until a creamy, uniform consistency is achieved.
  2. Apply the mixed SAS522 adhesive to one of the surfaces to be bonded. This must be done before pot life is exceeded.
  3. Position the substrates together into the desired final position and clamp together until the handling strength is achieved (approximately 6 hours at room temperature).

Heat can be applied to speed up the rate of cure of SAS522 and will result in a tougher cured product. Approximate times for heat curing are:

  • 75°C – 60 minutes
  • 100°C – 20 minutes

Handling strength is achieved approximately 6 hours after bonding. Full cure is achieved 24 hours after bonding.

A suitable solvent cleaner such as Alpha T559 should be used to clean uncured adhesive prior to curing.

When fully cured, Alpha SAS 522 will require mechanical sanding to remove material.


Alpha SAS522 is classified as hazardous according to Directive EC 1272/2008. Please refer to the Alpha SAS522 Safety Data Sheets for further health & safety information.


Alpha SAS522 should be stored in its original container, with the syringe cap tightly secured, in dry conditions and at temperatures between 5°C and +25°C. Alpha SAS522 will keep satisfactorily for up to 24 months from date of manufacture if stored according to the recommended conditions.


Product Reference
Pack Size
Box Quantity
Alpha SAS 522
25 kg Kit
5 x 5L Tin


August 2019