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 (-0.02%, as received)
  • Low moisture absorption (<1%)
  • High modulus for reliable COF wire bonding
  • Excellent thermal resistance


  • Copper thickness: 9, 12, 18, 35um
  • PI thickness: 12, 20, 25, 45um
  • Copper type: compatible with both ED and RA coppers
  • Available in roll widths of 250, 500, and 610 millimeters


  • UL94 V-0 flammability rating
  • Certified to IPC 4204/25
  • UL maximum operating temperature (MOT) 155C

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