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The introduction of library anti-theft system [Bohang China]

Views:4     Author:Site Editor     Publish Time: 2019-09-02      Origin:Site

The introduction of library anti-theft system [Bohang China]


The library anti-theft system, also known as EM anti-theft system, is a kind of metal material such as iron, cobalt, nickel, etc., which forms a strip solution under the action of high temperature chemistry, and then forms after the quartz nozzle is ejected. a composite material. Since the liquid is solidified in a short time, an amorphous state is formed. It has a strong magnetic property, and the book anti-theft device can use its magnetism for anti-theft.


 Bohang library anti-theft system


Many people will ask, the library anti-theft system looks the same, is there a difference? Yes, the effect is different because the proportion of metal materials used in the magnetic strip is different. Generally, we divide iron-based magnetic strips and cobalt-based magnetic strips according to the content ratio of metal.


According to the different materials, they are generally divided into two types of magnetic strips:


Iron-based magnetic strip: It has low cost and favorable price, but it has the characteristics of poor toughness, easy to break, and easy to rust.


Cobalt-based magnetic strip: It takes a long time to use, is not easy to break, and has a long magnetic retention time.


 Bohang library anti-theft system


According to the division of functions, it is divided into magnetic strips and magnetizable magnetic strips.


Magnetic strip: The magnetic properties of the magnetic strip are present and cannot be demagnetized.


Rechargeable magnetic strips can be magnetized by a degaussing device.

Bohang library anti-theft system

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