China Neodymium And Ferrite Magnets Manufacturer & Supplier 
Many customers pay more attention to the magnetic force when purchasing magnets, but tend to overlook the coercivity parameter. In fact, coercivity is closely related to the anti demagnetization ability of magnets. Choosing the appropriate coercivity can directly affect the stability of magnets in practical use. So, what exactly is coercive force? Does the higher the coercivity, the less likely the magnet is to demagnetize?
The coercive force of a magnet can affect demagnetization. Simply put, the coercivity of a magnet is like its ability to resist demagnetization. The higher the coercivity, the less likely it is to be demagnetized. For example, if two magnets are subjected to the same reverse magnetic field, the magnet with lower coercivity may be more prone to a decrease in magnetic performance, while the magnet with higher coercivity is more resistant to this effect.
The accompanying image is 20x10x3mm ferrite magnets
Does the higher the coercivity of a magnet, the less likely it is to demagnetize?
Of course not. During the use of magnets, they may be affected by high temperatures, strong external magnetic fields, or other factors, which can all lead to a decrease in magnetic properties. Even magnets with high coercivity may still experience demagnetization if the usage environment exceeds the material's tolerance range.
The coercivity of magnets made of different materials also varies. For example, neodymium iron boron magnets have different anti demagnetization abilities for different grades. Compared with high coercivity grades such as H, SH, and UH, ordinary grades are usually more suitable for applications that require resistance to demagnetization and high temperature. Although ferrite magnets generally have lower magnetic force than neodymium iron boron, they also have good anti demagnetization ability.
When choosing magnets, if it is only for ordinary adsorption purposes, we can choose according to the actual suction requirements. If used in products such as motors and sensors that require high magnetic stability, special attention should be paid to the coercivity parameter.
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