Pyralux® LF-B

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Pyralux® LF-B black acrylic-based coverlay


Pyralux® LF-B black acrylic-based coveraly features Kapton® matte black polyimide film for high performance applications where design aesthetics are critical. This product is coated on one side with a proprietary B-staged modified acrylic adhesive. This coverlay can be used to encapsulate etched details in flexible and rigid-flex multilayer constructions for environmental protection and electrical insulation.

Features & Benefits

  • Color-stable matte black surface
  • Crease and scratch resistance
  • Maintains appearance through high temperature cycles required for storage

Applications

  • Encapsulation of etched circuitry in flex circuits
  • Encapsulation of etched circuitry in rigid flex circuits
  • Protective coverlay in flexible multilayer constructions
  • Electrical insulation layers in flex and rigid flex circuits
  • Aesthetic coverlay for visible flex circuitry
  • Light-emitting diode (LED) control circuits requiring light absorption

Pyralux® LF-B Technical Documents

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    Pyralux® LF-B Product Series Properties

    Property Group Property Name Value Test Method
    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-B Product Properties

    Property Name Form Factor Package Adhesive Type Coverlay Color Dielectric Thickness (μm) Dielectric Thickness (mil) Adhesive Thickness (μm) Adhesive Thickness (mil)
    LF-B7013 Coverlay Roll Acrylic Black 13.0 0.50 25.0 1.0
    LF-B0210 Coverlay Roll Acrylic Black 25.0 1.00 51.0 2.0
    LF-B0110 Coverlay Roll Acrylic Black 25.0 1.00 25.0 1.0