Pyralux® HXC

Pyralux® HXC black coverlay


Pyralux® HXC black coverlay features Kapton® MBC 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 epoxy adhesive. Pyralux® HXC can be used to encapsulate etched details in flexible and rigid-flex multilayer constructions for environmental protection and electrical insulation. Black coverlay is also commonly used to enhance circuit aesthetics and improve LED lighting controls in specialty applications.

Features & Benefits

  • Uniform and color-stable matte black surface
  • Crease and scratch resistance surface maintains appearance through high temperature cycles
  • Excellent bond strength to copper

Applications

  • Aesthetic, visible flexible circuits
  • Light-emitting diode (LED) and backlit electronics
  • Visual contrast flex assemblies
  • High temperature rigid flex encapsulation
  • Protected, insulated exposed interconnects

Pyralux® HXC Technical Documents

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    Pyralux® HXC Product Series Properties

    Property Group Property Name Value Test Method
    Dielectric Dielectric Constant (Dk) 10GHz 3.6 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Constant (Dk) 1MHz 3.7 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Strength (V/μm)   ASTM D149
    Loss Tangent (Df) 10GHz 0.054 ASTM D2520 / IPC-TM-650 2.5.5.3
    Loss Tangent (Df) 1MHz 0.012 ASTM D2520 / IPC-TM-650 2.5.5.3
    Electrical / Insulation Surface Resistance (Ω) >1x10^12 IPC-TM-650 2.5.17
    Volume Resistivity (Ω・cm) >1x10^14 IPC-TM-650 2.5.17

    Pyralux® HXC Product Properties

    Property Name Form Factor Package Adhesive Type Coverlay Color Dielectric Thickness (μm) Dielectric Thickness (mil) Adhesive Thickness (μm) Adhesive Thickness (mil)
    HXC1215 Coverlay Roll Epoxy Black 12.5 0.50 15.0 0.6
    HXC1220 Coverlay Roll Epoxy Black 12.5 0.50 20.0 0.8
    HXC1225 Coverlay Roll Epoxy Black 12.5 0.50 25.0 1.0
    HXC2525 Coverlay Roll Epoxy Black 25.0 1.00 25.0 1.0