Seal-it® 525 CLEAN & BOND

Seal-it® 525 CLEAN & BOND is a fast-drying cleaner and primer in one product, specially developed as an adhesion promoter for sealants and adhesives on non-porous surfaces.



  • As a primer for various metal surfaces, such as aluminium, steel, stainless steel, zinc, copper, lead, chrome and brass.
  • As a primer for various surfaces with a powder coating.
  • As a primer for various surfaces with a lacquer and/or paint system. Check that the surface will not be damaged before use.
  • As a primer for polyester surfaces, such as GRP, ABS and PVC.


  • Improves the adhesive properties of sealants and adhesives on non-porous surfaces.
  • Fast-drying. Maximum drying time of approx. 5 - 10 minutes.
  • User-friendly and easy to apply.
  • Cleaner and Primer in one, requiring just a single application.
  • Time-saving and economical.
  • Efficient to use.
  • Not paintable.

Application conditions

  • Application temperature (ambient and surface) between +5°C and +40°C.
  • The surface must be dry, clean and free of grease and dust.
  • Open the can before use using the rotary knob and plastic seal on the top of the can.
  • Do not use Seal-it® 525 CLEAN & BOND immediately out of the original packaging.
  • Pour out an amount of Seal-it® 525 CLEAN & BOND into another glass/can that you can use in 30 minutes, for example. Then seal the can of Seal-it® 525 CLEAN & BOND properly.
  • Apply Seal-it® 525 CLEAN & BOND with a clean, dry, lint-free and non-running cloth and/or tissue in a thin layer or multiple layers in order to clean the surface at the same time. Immediately replace cloth or paper if dirty.
  • Wait until dry before applying the sealant and/or adhesive. (approx. 5 - 10 min.)
  • After Seal-it® 525 CLEAN & BOND has been applied to the surface, we recommend applying the sealant or adhesive within six hours for the best result.
  • Avoid touching treated surfaces as this can impair the adhesion.

Standard product line


6 x 500ml can



SI-XXX-XXXX-XXX = Article number.
Other colours and/or packaging on request.


Technical support department

Connect Products has a state-of-the-art R&D laboratory, where experienced specialists continuously research and develop sealants, adhesives and PU foams. Customers and clients can have products researched, tested and developed by this department. You can also contact us for technical advice, tips, project support, warranty certificates, requests and other technical questions. We will be happy to assist you with high-quality technology.

Call us on +31 (0)183 731 400 or send us an e-mail.

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