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How far can the NdFeB magnets be sucked?
Time:06/14/2019
NdFeB magnets are a very high quality permanent magnet and are a rare earth that many magnetic steel industries now choose to use. NdFeB magnets are favored by many consumers because of their high quality properties. With the continuous development of society and the continuous improvement of people's living standards, the demand for NdFeB magnets is also increasing. 

A strong magnet, conventionally referred to as a rare earth magnetic material, mainly a neodymium iron boron material Ordinary magnets, conventionally referred to as ferrite or other materials. In fact, compared with ordinary magnets, strong magnets are characterized by a large field, and this multiple is about four times. Another feature is the high gradient. The gradient represents the change of the magnetic field per unit length. Taking the field to the infinity as an example, the faster the magnetic field strength drops, the higher the gradient. Conversely, the magnetic field of the powerful magnet is more affected by the change of the distance. The terminology means that a strong magnet has a smaller magnetic path. Therefore, the suction provided by the ordinary magnet at a long distance is higher than that of the strong magnet.
 

30CM for a single magnet, whether it is strong or ordinary, can not induce enough suction. Of course, enough magnetic block arrangement can achieve this effect.    
 
The magnetic properties of NdFeB magnets are still very strong. The most important thing for NdFeB magnets is that the field is large and then the gradient is high.