TacPreg™ High-Speed Digital Prepreg Press Cycle


  • Vacuum lamination is recommended
  • Heat rise 10 °F/min (5 °C) to 392 °F (200 °C) (flow window 176 - 302 F° = 80 - 150 °C)
  • Kiss pressure 73 psi (5 bar) until package reaches 248 °F (120 °C), then apply full pressure (450 psi = 31 bar)
  • Hold (cure) for 1 hour
  • Cool-down under pressure @ <6 °F (3 °C)/min
  • Innerlayer copper should be treated with an oxide or alternative treatment



  • TacPreg™ TP32 filling 2 oz (70 micron) copper



    Plated through hole of 20-layer, .019" (4.8 mm) thick backplane
    constructed with RF-35P and TacPreg™ TP32.



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