Pyralux® LF

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Pyralux® LF acrylic-based bond ply


Pyralux® LF acrylic-based bond ply features Kapton® polyimide film, coated on both sides with a proprietary B-staged modified acrylic adhesive. This bond ply can be used to encapsulate etched details for environmental protection and electrical insulation. Using bondply can eliminate a layer of Kapton® dielectric and a layer of adhesive in low-layer count multilayer constructions.

Features & Benefits

  • Excellent bond strength affords high reliability
  • High thermal resistance to facilitate processing
  • Able to withstand multiple lamination cycles
  • No refrigeration required for storage

Pyralux® LF Product Series Documentation

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    Pyralux® LF Product Series Properties

    Property Group Property Name Value Test Method
    Dielectric Dielectric Constant (Dk) 10GHz 3 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Constant (Dk) 1MHz 3.6 ASTM D2520 / IPC-TM-650 2.5.5.3
    Loss Tangent (Df) 10GHz 0.017 ASTM D2520 / IPC-TM-650 2.5.5.3
    Loss Tangent (Df) 1MHz 0.02 ASTM D2520 / IPC-TM-650 2.5.5.3
    Electrical / Insulation Surface Resistance (Ω) >1×10^14 IPC-TM-650 2.5.17
    Volume Resistivity (Ω・cm) >1x10^15 IPC-TM-650 2.5.17

    Pyralux® LF Product Properties

    Property Name Form Factor Package Adhesive Type Dielectric Thickness (μm) Dielectric Thickness (mil) Adhesive Thickness (μm) Adhesive Thickness (mil)
    LF7016 Bond ply Roll Acrylic 13.0 0.50 25.0 1.0
    LF0111 Bond ply Roll Acrylic 25.0 1.00 25.0 1.0
    LF0121 Bond ply Roll Acrylic 51.0 2.00 25.0 1.0
    LF0131 Bond ply Roll Acrylic 76.0 3.00 25.0 1.0
    LF0212 Bond ply Roll Acrylic 25.0 1.00 51.0 2.0
    LF7021 Bond ply Roll Acrylic 13.0 0.50 13.0 0.5
    LF1515 Bond ply Roll Acrylic 25.0 1.00 13.0 0.5