China Neodymium And Ferrite Magnets Manufacturer & Supplier 
In the application of neodymium-iron-boron magnets, different magnetic performance levels directly affect the magnetic field strength and adsorption capacity of the magnets. Taking the commonly used 10×2mm circular neodymium magnets as an example, N28 and N45 are two common magnetic performance levels, and they exhibit significant differences in terms of Gauss value and tensile strength.
Regarding Gauss values, comparisons must be made at identical measurement locations and conditions; otherwise, the data holds little significance. When measuring at the center of identical 10x2mm circular magnets, the center magnetic field of an N45 grade magnet is approximately 2160 Gauss, while that of an N28 grade magnet is about 1390 Gauss.
10x2mm Round Neodymium Magnet Gauss
It is evident that the N45 grade exhibits a significantly stronger magnetic field, representing an increase of over 50% compared to the N28 grade. This is why many devices requiring stronger magnetic fields prioritize higher-grade magnets.
In terms of magnetic pull, under identical specifications and testing conditions, the measured pull force of a 10x2mm N28 grade magnet is approximately 26N, while that of a 10x2mm N45 grade magnet is approximately 44N.
Based on the data, the adsorption force of N45 grade magnets is significantly stronger, with an improvement of nearly 70% compared to N28 grade. This means that in applications requiring stronger adsorption capabilities, such as fixing structural components, magnetic components, or sensor devices, N45 grade will have an advantage.
Although N45 magnets offer superior performance, selecting a magnet grade isn't simply a matter of choosing the highest available. Different applications require a balanced consideration of cost and magnetic strength requirements. For common uses such as leather goods and packaging boxes, N28 grade magnets can adequately meet the needs at a lower cost.
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