Electromagnetic shielding is a necessary performance of electronic products and one of the most important indicators of product quality.

In its work, electronic products cannot interfere with other equipment or be interfered by other equipment. Electromagnetic (EMI) Shielding is to isolate the two spaces to control the induction and radiation of electromagnetics, like magnetic field and electromagnetic wave from one area to another. The EMI shield has the functions of absorbing, reflecting, and offsetting energy, so as to reduce the interference. In other words, when the frequency of the interference electromagnetic field is high, the eddy current of the metal product with good conductivity is used to offset the external electromagnetic wave. When the frequency of the interference electromagnetic wave is low, the high permeability is used to shield the magnetic field line. To have good EMI shielding for both high-frequency and low-frequency electromagnetic fields, Complexes of different filler materials are often used to add into the electronic products.

The nickel coated graphite composite powder developed and produced by LQ is just a kind of micro filler composed of metal and non-metal elements. As a new type of composite electromagnetic shielding filler, it has both good metal conductivity and magnetic shielding nature of graphite, to achieve the shielding effect of high frequency and low frequency. At present, the main application of this product is 5G base station equipment.

In addition, the filler product is also widely used in the following fields: notebook computers, tablet computers, GPS, ADSL, mobile phones, 3C products, portable electronic products, consumer electronics, network hardware (servers, etc.), medical instruments, household electronic products, aerospace, and driverless car.

Nickel coated graphite composite powder has controllable particle size. Nickel is in the periphery, and the inner core is graphite powder. The content percentage of nickel can be assigned. The atomic binding between nickel and graphite is firm and tight.