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Absorbing materials conduct electricity

Author:admin   AddTime:2020-07-09

Traditional shielding materials (such as conductive cloth, conductive tape) are a kind of conductive shielding products. Its shielding method is reflection shielding, that is, the conductor has reflection effect on electromagnetic wave. The lower the conductivity resistivity is, the more severe the reflection of electromagnetic wave by metal conductor, such as silver, copper, aluminum, etc., because this conductive shielding material can only restrain electromagnetic wave and reduce electromagnetic wave radiation as far as possible As the rated frequency of the chip of electronic products is higher and higher, the radiation is more and more large. Therefore, new shielding materials must be used to solve this problem. The generation of absorbing materials is just a kind of advanced shielding method, which can absorb electromagnetic radiation and transform it into a clean electromagnetic space in the maximum range, Nickel iron alloy with very high resistivity is used as the raw material of microwave absorbing material. This kind of alloy has high permeability and resistivity, which can quickly absorb the clutter and achieve the purpose of shielding. It is a kind of advanced shielding material and magnetic functional material.

2、 Microwave absorbing material is a kind of magnetic functional material based on ferronickel alloy, so let's take a comparative look at the common resistivity of materials.

Material resistivity (Ω m)

(1) Silver 1.65 × 10-8

(2) Copper 1.75 × 10-8

(3) Gold 2.40 × 10-8

(4) Aluminum 2.83 × 10-8

(5 tungsten 5.48 × 10-8

(6) Iron 9.78 × 10-8

(7) Platinum 2.22 × 10-7

(8) Manganin 4.4 × 10-7

(9) Mercury 9.6 × 10-7

(10) Constantan 5.0 × 10-7

(11) Nickel alloy 1.0 × 10-6

(12) Fe Cr Al alloy 1.4 × 10-6

(13) Ferronickel alloy 1.6 × 10-6


Absorbing material: www.goodsmaterial.com

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