3M™ Thermo-Bond Film 669


3M 669

3M Thermo-Bond Film 669 is a three layer bonding film consisting of a polyester film core coated on one side with a heat activated adhesive (HAA) and on the other side with a high tack pressure sensitive adhesive (PSA).


  • PSA side provides self-fixturing
  • HAA side provides high adhesion
  • Provides dielectric insulating layer
  • Excellent adhesion to many substrates
  • Solvent-free
  • Suitable for die cutting

Data Sheets & Summary Sheets