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magnetism
Magnetic force is an important performance index of magnet, and it is a key factor to measure the magnetic field strength and magnetic size of magnet. Whether there is the same polarity of magnets should be considered from the level of magnetic force. Magnets with large magnetic force can achieve higher magnetic induction intensity, and at the same time, under the same size and material, magnets with large magnetic force also have superior durability and stability.
Through experiments and observation, under the same conditions, magnets with the same polarity do not have advantages in magnetic force, and even have obvious disadvantages. Therefore, the same polarity of magnets does not exist.
quality
Quality is one of the important indexes of magnet performance. Good quality ensures the stability and life of the magnet in use. Due to the different manufacturing technology and materials of magnets, the quality performance of magnets of different brands and specifications is also different.
However, the existence of the same polarity of magnets does not have much influence on the quality of magnets itself. Even if magnets with different polarities are manufactured, their quality needs to be strictly controlled.
Performance grade
Performance brand refers to the comprehensive indicators of various parameters such as the types, properties and specifications of magnet materials. When selecting magnets, different performance grades need to be selected for different application scenarios to obtain the best magnetic performance and stability.
There is no direct relationship between the existence of the same polarity of magnets and the performance grades. The manufacturing process and quality of magnets with various performance brands should be strictly controlled to meet the corresponding application requirements.