Pyralux® AC

Single-sided Pyralux® AC Features Excellent Dimensional Stability

DuPont™ Pyralux® AC is an all polyimide single sided copper clad laminate ideal for applications that require thin, light and high density circuitry along with chip-on-flex attachment.


• Excellent dimensional stability
• Low moisture absorption
• High modulus for reliable COF wire bonding
• High flexural endurance
• Excellent thermal resistance
• UL 94 V-0 flammability rating
• Certified to IPC 4204A/11
• UL maximum operating temperature (MOT) 155C
• Available in roll widths of 250, 500, and 610 millimeters
• Available in polyimide thicknesses of 12, 20, 25, and 45 microns
• Available in copper thicknesses of 9, 12, 18, 35, and 79 microns
• Available in copper types RA and ED
• Available in standard roll length of 100 linear meters



  • Pyralux® TK

    DuPont™ Pyralux® TK is a fluoropolymer/polyimide composite double sided copper clad laminate and bondply ideal for high speed digital and high frequency flexible circuit applications.

  • Pyralux® LF

    DuPont™ Pyralux® LF products are acrylic-based copper clad laminates, coverlays, bondplys and sheet adhesives and have been the industry standard in high reliability applications in the consumer electronics industry for over 35 years with a proven record of consistency and dependability.

  • Pyralux® AP

    DuPont™ Pyralux® AP is an all polyimide double sided copper clad laminate that has excellent thermal, chemical and mechanical properties ideal for use in high reliability flex and multilayer flex circuitry.

  • Pyralux® JT

    Pyralux® JT Coverfilm and Bonding Material is a polyamideimide-based technology for use in rigid-flex applications or higher temperature flex applications.

  • Pyralux® FR

    DuPont™ Pyralux® FR products are acrylic-based flame retardant copper clad laminates, coverlays, bonpdplys and sheet adhesives for products requiring UL rating.

  • Pyralux® LF-B

    DuPont™ Pyralux® LF-B is DuPont™ Kapton® B black polyimide film coated with acrylic ideal for products here uniform matte black appearance is desired.