Skip to Primary Navigation Skip to Site Navigation Skip to Main Content All Site Map

3M™ Thermal Bonding Film 668

3M ID  AM000000969     
3M(TM) Thermal Bonding Film 668 roll standing, peeling back
3M(TM) Thermal Bonding Film 668 roll standing, peeling back
3M™ Thermal Bonding Film 688 is a flexible thermoplastic adhesive bonding film. It is ideal for applications such as bonding flex antenna and metal face plates to the chassis. Can be diecut for precise, repeatable bonding.
Features and Benefits
  • Slight surface tack for temporary holding
  • Excellent heat resistance
  • Great adhesion to polyamide substrates
  • Thermoplastic adhesive allows metal and plastic parts to be separated, for rework and ease of recycling at end of life
  • Low temperature bonding reduces part warping, enabling higher yield potential
  • High bond strength in seconds helps to reduce assembly time while providing excellent drop test performance
  • Need Help?

    Questions? We can help

    Contact Us



    Product Attributes

     Adhesive Thickness‎ 4.0 mil‎
     Adhesive Thickness (metric)‎ 0.10 mm‎
     Adhesive Type‎ Thermoplastic‎
     Application‎ Battery Bonding‎ ,  Battery Door Attachment‎ ,  Bezel Bonding‎ ,  Case Assembly‎ ,  Flex Bonding‎ ,  Flex Stiffener Bonding‎ ,  Low Surface Energy Bonding‎ ,  Module Bonding to PET Card‎
     Application Category‎ Bonding‎
     Base Material‎ Polyamide Thermoplastic (non-curing)‎
     Bond Cure Time‎ 2 to 5 seconds‎
     Bondline Temp (Celsius)‎ 121 to 135 degree C‎
     Bondline Temp (Fahrenheit)‎ 250 to 275 degree F‎
     Bond Type‎ Reworkable‎
     Brand‎ 3M‎
     Elongation‎ 1000%‎
     Faceside Liner Thickness‎ 3.0 mil‎
     Faceside Liner Thickness (metric)‎ 0.08 mm‎
     Faceside Liner Type‎ Release Coated Paper‎
     Film Color‎ Translucent/Tan‎
     Maximum Width Available‎ 24 in‎
     Maximum Width Available (metric)‎ 600 mm‎
     Product Form‎ Roll‎
     Product Series‎ 668‎
     Substrate‎ Aluminum‎ ,  FR-4‎ ,  Plastics (PC, PMMA)‎ ,  Steel (Cold Rolled, Stainless)‎


    Data Sheet

    Product Disclaimer

  • The technical information and data shown on this page should be considered representative or typical only and should not be used for specification purposes.
  • 3M products shown on this website may not be available in all geographic regions or may not be available at this time. Please contact your local sales representative to determine product availability.