Bostik N40 Primer is designed for use with Bostik polyurethane sealants to ensure adhesion to difficult non-porous substrates.


  • Can be used on most metals and some plastics
  • For use with Bostik polyurethane sealants
  • Non-staining solvent based
  • Fast drying
  • Cleans and primes surfaces in one action
  • One part - no mixing required


  • Please contact Glasscorp Ltd for specific advice on the primer required before proceeding
  • Please follow the solvent manufacturers safe handling recommendations and national regulations regarding solvent usage and storage
  • Customers should independently determine the suitability of this product for their specific purpose prior to use


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