EMI and RFI shielding materials

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  • Our range of RFI & EMI shielding materials

    Radiated Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) are a critical problem in the design and manufacture of wirelessly transmitting electronic devices.

    Virtually all of the most versatile and satisfactory shielding solutions available to a designer are obtainable from Parafix, including shielding tapes, absorbers, foams, mesh, vent panels and board level shields. Learn more below or watch our EMI shielding video.


  • Search EMI shielding materials

    Browse through our range of RFI and EMI shielding materials below for more detailed information and product data sheets. If you would like to ask us a question about any of these products, simply click on “add to wish list” and the product details can be added to a contact form once you’re ready to get in touch. You can also send these details to yourself or a colleague.


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    • Adhesive
    • Carrier
    • Colour
    • Thickness (mm)
    • Min. temp (˚C)
    • Max. short temp (˚C)
    • Shielding Effectiveness @GHz(dB)
    • Electrical resistance (Ω)
    • Stock status
    • Manufacturer / SOS
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    • Thickness range (mm)

    • Elec. resist range (Ω)

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    • Shielding Effect. Range @GHz(dB)

    • Temp. range (˚C)

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    Any data provided relates to values typically generated when measuring these materials, and is offered as a guide to material selection. However it is not guaranteed and the user is responsible for evaluating the suitability of a product for the application it is intended for. Some test methods may vary, please refer to data sheet or call for assistance.

    Title Stock status Adhesive Carrier Colour Electrical resistance (Ω) Manufacturer / SOS Max. short temp (˚C) Min. temp (˚C) Shielding Effectiveness @GHz(dB) Thickness (mm)
    Laird BMI-S-103 Laird BMI-S-103 3 None CRS tin Silver N/A Laird No data 60 2.54
    3M™ AG2300 3M™ AG2300 3 Acrylic Silver coated fabric Silver 0.005 3M™ No data No data 0.1
    3M™ AL25BT 3M™ AL25BT 3 Acrylic Aluminium foil Silver 0.01 3M™ No data No data 0.06
    3M™ AL25DC 3M™ AL25DC 3 Acrylic Aluminium foil Silver 0.035 3M™ No data No data 0.08
    3M™ AL36FR 3M™ AL36FR 3 Acrylic Polyester / aluminium foil Black >0.02 3M™ No data No data 0.06
    3M™ AL36NC 3M™ AL36NC 3 Acrylic Polyester / aluminium foil Silver No data 3M™ No data 65 0.07
    3M™ AL39UL 3M™ AL39UL 3 Acrylic Polyester / aluminium foil Black 0.1 3M™ No data No data 0.06
    Laird BMIC-001 Laird BMIC-001 3 None Beryllium copper Copper N/A Laird No data No data No data
    Laird BMIC-010-2 Laird BMIC-010-2 3 None Tin Silver N/A Laird No data No data No data
    3M™ AB5050SHF 3M™ AB5050SHF 3 Acrylic Polymer resin Grey No data 3M™ -25 No data 0.5
    Laird BMI-S-203 Laird BMI-S-203 3 None CRS tin Silver N/A Laird No data 60 5.08
    3M™ CN3190 3M™ CN3190 3 Acrylic Nickel on copper-plated PET Grey 0.05 3M™ No data 70 0.1
    3M™ CN3490 3M™ CN3490 3 Acrylic Nickel on copper-plated PET Grey 0.05 3M™ No data 65 0.07
    3M™ CN4190 3M™ CN4190 3 Acrylic Nickel on copper-plated PET Grey 0.05 3M™ No data 70 0.12
    3M™ CN4490 3M™ CN4490 3 Acrylic Nickel on copper-plated PET Grey 0.05 3M™ No data 65 0.05
    3M™ CU35C 3M™ CU35C 3 Acrylic Copper foil Copper 0.005 3M™ No data No data 0.07
    Laird MaxAir™ vent Laird MaxAir™ vent 3 None Copper-plated polycarbonate Copper N/A Laird N/A 115 6.35
    3M™ X-7001 3M™ X-7001 3 Acrylic Copper-plated PET Copper 0.015 3M™ -40 60