Pyralux® TK

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Pyralux® TK Kapton® & fluoropolymer double-sided copper-clad laminate


Pyralux® TK Kapton® & fluoropolymer double-sided copper-clad laminate features a proprietary layered dielectric, comprising both Kapton® polyimide film and fluoropolymer films. This unique composition affords the lowest loss performance for a Pyralux® copper-clad laminate, enabling remarkable signal integrity in high-speed digital and high frequency circuit applications. Offered with both rolled annealed (RA) and electrodeposited (ED) copper foil, Pyralux® TK can address your highest performance flex and rigid-flex applications where dielectric constant must fall below 3.0.

Features & Benefits

  • Fluoropolymer films provide low loss dielectric constant loss tangent
  • Low moisture absorption for consistent performance
  • Balanced and unbalanced constructions available

Pyralux® TK Technical Documents

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    Pyralux® TK Product Series Properties

    Property Group Property Name Value Test Method
    Dielectric Dielectric Constant (Dk) 10GHz 2.5 ASTM D2520 / IPC-TM-650 2.5.5.3
    Dielectric Strength (V/μm) 200 ASTM D149
    Loss Tangent (Df) 10GHz 0.002 ASTM D2520 / IPC-TM-650 2.5.5.3
    Environmental Moisture Absorption (%) 0.6 IPC-TM-650 2.6.2
    Mechanical Elongation at Break (%) 60 IPC-TM-650 2.4.19
    Tensile Modulus (Gpa) > 3.2 IPC-TM-650 2.4.19

    Pyralux® TK Product Properties

    Property Name Form Factor Package Adhesive Type Copper Thickness (μm) Copper Thickness (oz) Copper Type Dielectric Thickness (μm) Dielectric Thickness (mil)
    TK125012R Double-sided FCCL Sheet Kapton® fluoropolymer composite 12 0.33 RA 50.0 2.00
    TK185018R Double-sided FCCL Sheet Kapton® fluoropolymer composite 18 0.50 RA 50.0 2.00
    TK365036R Double-sided FCCL Sheet Kapton® fluoropolymer composite 36 1.00 RA 50.0 2.00
    TK127512R Double-sided FCCL Sheet Kapton® fluoropolymer composite 12 0.33 RA 75.0 3.00
    TK187518R Double-sided FCCL Sheet Kapton® fluoropolymer composite 18 0.50 RA 75.0 3.00
    TK367536R Double-sided FCCL Sheet Kapton® fluoropolymer composite 36 1.00 RA 75.0 3.00
    TK1210012R Double-sided FCCL Sheet Kapton® fluoropolymer composite 12 0.33 RA 100.0
    TK1810018R Double-sided FCCL Sheet Kapton® fluoropolymer composite 18 0.50 RA 100.0 4.00
    TK3610036R Double-sided FCCL Sheet Kapton® fluoropolymer composite 36 1.00 RA 100.0 4.00