3M CN3190 1" X 4"-100

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The 3M™ CN3190 1" X 4"-100 is a Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI) shielding and absorbing material. It is used in high performance applications, such as aerospace, energy systems, vehicles and consumer electronics. The CN3190 is designed to provide superior shielding performance in a wide range of EMI/RFI environments.

The CN3190 is made of two layers of electroplated aluminum material, which are combined together to form a shielding layer. The shielding layer absorbs and reflects electrostatic fields, reducing incoming EMI and RFI. This material also helps to reduce cross talk between communication systems by providing a barrier to the interference generated by other systems.

In addition to its shielding efficacy, the CN3190 also exhibits excellent durability. The material has a high temperature resistance of -20°C to +170°C, making it suitable for use in harsh environments. It is also resistant to environmental factors such as UV, moisture, and salt spray. This ensures that the highest levels of shielding can be maintained over the lifetime of the product.

The working principle of the CN3190 is based on the electrical shielding effect. This effect occurs when an electrostatic field, generated by an interfering source, is intercepted by a conductive material. As the electrostatic field contacts the surface of the conductive material, it begins to flow across the surface. This current varies in intensity throughout the material, depending on the strength of the electrostatic field.

The CN3190 helps reduce the strength of the electrostatic field by absorbing some of the energy. This reduces the strength of the field and, therefore, reduces the amount of interference caused. The material also helps to reduce cross talk between communications systems by providing a barrier to the interference generated by other systems.

The CN3190 is an effective shielding and absorbing material for a variety of applications, including aerospace, energy systems, vehicles, and consumer electronics. It is designed to provide superior shielding performance in a wide range of EMI/RFI environments. The material is highly durable and offers excellent electrical shielding properties, making it suitable for a variety of applications.

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