By using fewer plies of woven fiberglass and a higher ratio of PTFE content, the DiClad 870 and DiClad 880 laminates offer lower dielectric constants (Dk) and dissipation factors at a similar thickness to other laminates in the DiClad® series.


  • Dk of 2.33 for DiClad 870 laminates
  • Dissipation factor of .0013 at 10GHz for DiClad 870 laminates
  • Dk of 2.17 or 2.20 for DiClad 880 laminates
  • Dissipation factor of .0009 at 10GHz for DiClad 880 laminates


  • Lowest moisture absorption among PTFE based composites
  • Stable Dk over a wide frequency range
  • Low Dk supports wider line widths for lower insertion loss


Description Language File Type File Size
Data Sheet
DiClad® Series Data Sheet English
Fabrication Information
Fabrication Guidelines DiClad 870-880 Laminates English
DiClad Series Laminates - PSIS English


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