Pyralux® LF Acrylic-Based Coverlay

Pyralux® LF Acrylic-Based Coverlay

Pyralux® LF Coverlay features Kapton® polyimide film, 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.

Special Warnings
  • Should be stored in original packaging at temperatures of 4 - 29 °C (40 - 85 °F) and below 70% relative humidity. The product should not be frozen and should be kept dry, clean, and well-protected.
Recommendations
  • Prior to handling, Qnity recommends referencing the Pyralux® Safe Handling Guide available at pyralux.dupont.com.
Solutions
  • Acrylic-based Adhesive Solutions
 
 
 

Features & benefits

  • Able to withstand multiple lamination cycles without degradation
  • Excellent bond strength affords high reliability
  • Halogen free
  • High bond strength
  • High thermal resistance
  • Low outgassing, NASA data available
  • No refrigeration required for storage
  • RoHS Compliant
  • Two-year product performance warranty
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    Physical Properties

    Property Method Unit Value
    Solder Float, 288 °C for 10 s IPC-TM-650 2.4.13 Pass
    Volume Resistivity (prlx-32) IPC-TM-650 2.5.17 Ω ·cm > 1015
    Peel Strength (Adhesion to Copper) As Received, After Solder IPC-TM-650 2.4.9 N/mm (lb/in) N/mm (lb/in) 1.8 (10.0) 1.6 (9.0)
    Adhesive Flow IPC-TM-650 2.3.17.1 mm (mil) 0.05 - 0.10 (2 - 4)
    Loss Tangent (Df) IPC-TM-650 2.5.5.3 ASTM D2520 1 MHz 10 GHz 0.020 0.015
    Dimensional Stability (MD/TD) IPC-TM-650 2.2.4 % ± 0.07 %
    Dielectric Constant (Dk) IPC-TM-650 2.5.5.3 ASTM D2520 1 MHz 10 GHz 3.6 3.1
    Surface Resistance IPC-TM-650 2.5.17 Ω > 1014
     
     
     
    Product Details

    Fabric/material

    LF CL/BP

    Design

    LF0210

    Seam

    LF CL/BP

    Packaging

    LF0210

    Hazard

    Coated Material

    LF CL/BP

    Features

    ADHESIVE

     
     
     
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      Safety Data Sheets(All Languages)
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