3M CN4490 3" X 7.25"-25

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RFI and EMI shielding and absorbing materials are increasingly in high demand. In this article, we\'ll be looking at the application field and working principle of the 3M CN4490 3” X 7.25”-25 shielding and absorption material.

First, let’s discuss the application field of this product. The 3M CN4490 product is designed to meet the requirements of a wide variety of users including government, military, aerospace, and electrical engineering. It is great for dampening and reducing interference from nearby radios, power lines, and other sources of electromagnetic interference. Furthermore, this product offers over 50 dB of shielding effectiveness, making it a great choice for applications that require strong shielding.

Now let’s discuss the working principle of the 3M CN4490 product. First, let’s look at the construction of the shielding material. The material is composed of an aluminum film laminated between two layers of flexible and deformable liner materials. These two layers help to provide additional mechanical strength to the aluminum film. Additionally, the liner material helps to protect the aluminum film from scratching and other forms of environmental damage.

The 3M CN4490 also includes a patented “electromagnetic interference (EMI) absorbing layer” technology. This technology allows it to absorb, dampen and deflect signals in order to reduce their levels. The product also features an “Electromagnetic Interference (EMI) transparency layer”. This layer helps to ensure that the signals that are transmitted to the product go through undisturbed and without any interference.

In order to ensure maximum performance, the product also includes a patented “thermal management system”. This system helps to reduce heating and ensures that the product can operate within specified temperature limitations. Additionally, the product offers an exceptional level of protection against water and dirt. This allows the product to be used in a wide variety of environments including industrial, military, and aerospace applications.

Finally, the product also includes a “quick connect” system which allows for easy installation and removal. This system also helps to ensure that the product can be quickly and easy integrated into existing systems.

The 3M CN4490 3” X 7.25”-25 is a great choice for applications which require effective shielding and absorption of electromagnetic interference and radio frequency interference. This product offers exceptional levels of protection and can be used in a variety of environments. Its patented technologies help to ensure maximum performance and its quick connect system makes it easy to install and remove.

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