Block Interference and Manage Costs


EMI Shielding Tape and RFI Shielding

Everywhere we look, there are electronic devices that create electromagnetic interference. The right EMI and RFI shielding tapes and pressure-sensitive adhesive can prevent electronics’ signals from affecting other components and block external energy from getting in.

Strouse provides foil tape made of aluminum, copper, stainless steel, and other metals in different forms: individual die cuts in custom shapes, sizes, and formats; rolls of tape cut to custom widths; custom die cuts on a roll or sheet of material.


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    Electromagnetic shielding, also called “radiation shielding,” is a barrier that covers electronics to prevent electromagnetic interference. RFI shielding is a subtype of EMI shielding that’s specific to blocking radiofrequency electromagnetic radiation.

    EMI shielding can prevent:
    • Brownouts and blackouts
    • Electrical fast transitions or EFTs
    • Static on phone lines
    • Power faults


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    Aluminum — A cost-effective shielding material for ultra- to super-high radio waves. It's high conductivity and strength-to-weight ratio make it an excellent choice for EMI shielding.

    Copper — This versatile metal is highly conductive, capable of blocking radio waves and magnetic forces, and is ideal for applications that require all three types of shielding.

    Steel — Strong and durable, steel is not very versatile and blocks low-frequency waves only. Its rigidity makes it difficult to work with when used in tight spaces.

    Nickel — Both inexpensive and effective, nickel is durable, hard, and conductive; nickel is used as an EMI shield on its own or combined with other metals to form magnetic alloys.

    Mu-Metal — A new alloy designed for EMI shielding, mu-metal’s main elements are nickel and iron, making it both soft and magnetic; it blocks both electronic and magnetic fields.

    Conductive Rubbers — Silicone has a very high tensile strength, and it’s flexible and resilient; neoprene is compressive and generally useful; these conductive rubbers are used to make EMI shielding gaskets that seal enclosures.


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    EMI Enclosures — The simplest type of shield, these create a Faraday cage effect by surrounding the equipment it protects; enclosures come in solid and perforated forms.

    EMI Coatings — Similar to paint mixed with conductive metals, this coating forms a shield that’s flexible; just brush them onto a surface for them to work.

    EMI Filters — Block high frequencies and allow low frequencies to pass through using EMI filters; they get built into the power sources or switches they’re protecting.

    Foil Shielding Tape — Thin pieces of conductive metal are flexible, easy to use, and form-fitting; cut into any size or shape and customize to fit your equipment perfectly; also use them for anti-static masking, mechanical protection, static charge grounding, component cushioning.

    Conductive Fabric Shields — Not traditional fabric, this is a metallic textile with similar physical properties as fabric; add an adhesive to hold it in place or hang it over the equipment you intend to protect.


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    Strouse converts EMI shielding tapes and pressure-sensitive adhesive to custom-shaped components for electronic assemblies. This allows you to use the minimal amount of material necessary for EMI or RFI shielding while helping you manage costs and the weight of your product.

    EMI shielding solutions:
    • Rolls of shielding tape slit to custom widths
    • Shielding tape cut to custom-shaped parts
    • EMI gaskets with adhesive
    • Grounding tape
    • Thermally or electrically conductive materials
    • And more


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