High Performance EMI Shielding Cloth, Ni/Cu/Polyester

Material Specification: 3202 RoHS REACH Compliant

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WARNING: Raw materials are not sold separately, please contact the sales department for any special requirements.


  • EMI Shielding (10 MHz to 20GHz)
  • Thin, Lightweight and Highly Flexibile
  • High Temperature & Corrosion Resistant
  • Unlimited Shapes & Configurations
  • -40°C to 121°C Operating Limits

Z-3250 EMI shielding fabric is a .004-inch-thick, woven Nickel over copper-plated polyester taffeta cloth that provides outstanding EMI shielding performance. The thin-woven polyester construction makes Z-3250 extremely flexible, yet very strong, and provides excellent corrosion resistance and resistance to environmental degradation. It is, without doubt, the most versatile of all Zippertubing's EMI shielding products and can be incorporated with almost all of our jacketing products to provide a thin, lightweight and very flexible shield. The cloth has an electrical resistance of less than 0.1 ohm/square, provides shield coverage of approximately 98% and averages 85 dB of attenuation from 10 MHz to 20 GHz. This is Zippertubing's most popular shielding material.


  • Denier: 70
  • Base Fabric: Polyester Taffeta
  • Surface Resistivity: < 0.1 ohms/sq
  • Coating: Nickel over Copper (0.6 - 1.05 oz/yd2)
  • REACH: Compliant
  • Elongation: 27%
  • Material: Cloth
  • Thickness: 0.0035" - 0.0045"
  • Maximum Operating Temperature: 250°F
  • Minimum Operating Temperature: -40°F
  • RoHS: RoHS-10
  • Shelf Life: 60 Months
  • Shielding: Z-3250
  • Tensile Strength: 74-79 lbs/in
  • Total Mass Loss: 0.21%
  • Collected Volatile Condensable Material: 0.00%
  • Outgasssing (%TML): Min 0.21 | Max 0.21%
  • Outgassing (%CVCM): Min 0 | Max 0%
  • Outgassing (%WVR): Min 0.16 | Max 0.16%
  • Weave: Plain
  • Shielding Effectiveness: 65 db min. (10 MHz - 10 GHz)
  • Shielding Effectiveness

    Specifications subject to change without notice. All statements and technical information contained herein are based on tests we believe to be reliable, but the accuracy or completeness is not guaranteed under all circumstances. Before using Zippertubing® products, the user shall determine suitability for the intended use, and user assumes all responsibility for improper selection. Published attenuation values of Zippertubing® shielding have been verified by laboratory testing of the respective shielding materials. Actual installed attenuation values may differ due to installation techniques and final assembly operation parameters which are beyond the control of Zippertubing®. Actual attenuation values can only be determined by the end user testing the completed assembly. U.S. and International Patents and patents pending. © The Zippertubing® Company, Chandler, Arizona.

    Similar Materials

    Z-5080 Z-7200 Z-3250
    NAME Z-5080 Z-7200 Z-3250
    DESCRIPTION Flame Retardant EMI Shielding Cloth, Ni/Cu/Modacryl Non-Magnetic, Halogen-Free and Hypoallergenic Conductive EMI Shield Cloth High Performance EMI Shielding Cloth, Ni/Cu/Polyester
    RoHS RoHS-10 RoHS-10 RoHS-10
    Abrasion Resistance Best Best
    Min Temperature Moderate Moderate Moderate
    Minimum Operating Temperature -22°F -40°F -40°F
    Max Temperature Moderate Moderate Moderate
    Maximum Operating Temperature 248°F 302°F 250°F
    Flexibility Best Best Best
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