3M CN4490 3" X 5"-25 RF/IF and RFID

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RFI and EMI Shielding and Absorbing Materials: 3M CN4490 3" X 5"-25

The 3M CN4490 3" X 5"-25 product is an absorbent material that combines surface resistivity with an acoustic-resistant barrier design in a single material. This material is specifically designed to absorb and shield against electromagnetic interference (EMI) or radio frequency interference (RFI) from high frequency waves. It is ideal for enclosing systems that require protection from EMI or RFI in a variety of applications.The 3M CN4490 3" X 5"-25 absorbent material is a 25 mil air-supported film construct, created with a special blend of aramid fibers, which form an enabling surface film. This surface film is highly resistant to both moisture and heat, and provides excellent acoustic absorption. It also delivers excellent dielectric properties, thermal insulation, and static electricity performance.The surface of the 3M CN4490 3\" X 5\"-25 is specially treated for longevity in order to resist damage from physical abrasion and chemical exposure. The material can also be tailored for use in various applications, including electrostatic discharge, vibration or harmonic attenuation, and acoustic applications.The 3M CN4490 3\" X 5\"-25 absorbent material is used in a variety of applications. The primary purpose of the product is shielding and absorbing against Radio Frequency Interference (RFI) from high frequency electromagnetic waves. This is achieved by incorporating a thin layer of electrical conductive material into the layers of the material which is used to absorb and redistribute the energy of the waves.In addition to EMI/RFI absorbing and shielding, the 3M CN4490 3\" X 5\"-25 product also helps reduce noise from fans or other electrical components. Additionally, it can be used to reduce the amount of power lost in cables, and to contain and protect electronics equipment from environmental phenomena, including dust, moisture, and sand.Furthermore, the 3M CN4490 3\" X 5\"-25 can be used in industrial applications to provide electrical shielding and dielectric insulation. This product is designed to meet demanding requirements of industrial applications that require excellent dielectric properties. It is also used in aerospace and defense systems, as well as in medical and consumer products such as scanners, phones and laptops. In fact, the 3M CN4490 3\" X 5\"-25 absorbent material is used in virtually every industry where high-performance EMI/RFI shielding and noise reduction is required.In summary, the 3M CN4490 3\" X 5\"-25 absorbent material is a multi-purpose, flexible, and thin film structure designed for EMI/RFI absorbing and shielding applications. It combines a flexible adhesive backing with its supreme electromagnetic shielding and absorbing characteristics to provide a reliable solution for various applications. Additionally, it offers excellent acoustic absorption and dielectric properties. It is therefore a highly useful and effective material when it comes to protecting electronic elements from EMI/RFI and other environmental phenomena.

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