A17553-080

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RFI and EMI - Shielding and Absorbing Materials encompass technological advancements in electromagnetic interference (EMI) and radio-frequency interference (RFI) prevention and control. One of the most important products used in the field of RFI and EMI is A17553-080, an attenuation fabric. A17553-080 is a single-layer industry-grade fabric used for the purpose of absorbing or shielding both electric and magnetic fields. This product is capable of shielding electromagnetic and radio waves with efficiency levels between 50 dB and 80 dB.

A17553-080 is constructed from an ultra-high three-dimensional conductive fiber. Its unique three-dimensional construction involves metal fabric fibers being braided together to form conductive mesh. This conductive mesh is then woven together with its non-conductive fibers to form a single homogenous layer, that is then woven and quilted with cotton yarn to create one highly durable fabric. Permanently bonded to the fibers of this fabric is very low-loss ferrite (VLLF). This ferrite material further enhances the shielding performance.

Cotton is the non-conductive natural fiber used in this product. It is extremely resistant to ripping and tearing, and thus contributes greatly to the product’s durability and superior shielding performance. Additionally, cotton is flame retardant, providing an added layer of safety to equipment and installations. Furthermore, this cotton is impregnated with melt-spin lubricant, allowing for enhanced adherence to adhesive-backed films or tapes.

The main application field for this fabric is in the military and aerospace industries. It is most commonly used for electromagnetic and radio-frequency interference (EMI/RFI) prevention in aircraft, ships, tanks, and other military vehicles. It is also frequently used in commercial applications such as in vehicles, electric machines, computers, and other electronic equipment. A17553-080 fabric can also be used as a noise-attenuation material for portable communications.

A17553-080 works primarily through absorption and diffusion of energy. The product’s three-dimensional conductive fiber allows the fabric to absorb, disperse, and reflect electromagnetic radiation. Additionally, the ferrite powder permanently bonded to its fibers further enhances its ability to absorb energy at specific frequencies, such as those used for radio transmissions. As a result, this fabric is highly effective in attenuating both electric and magnetic fields.

Overall, A17553-080 fabric combines a unique structure of conductive and non-conductive fibers to provide an effective solution for EMI/RFI prevention and control. Its specially formulated conductive mesh, durable cotton fibers, and permanent ferrite powder bond enhance its ability to absorb or shield electric and magnetic fields, making it well-suited for use in military and commercial applications.

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