How to distinguish the trademarks of Sintered NdFeB magnets?

　　Trademark

　　Several brands of each type of product divided by the size of the maximum energy product

　　Sintered NdFeB magnets grades are: N35-N52, N35M-N50M, N30H-N48H, N30SH-N45SH, N28UH-N35UH, N28EH-N35EH.

　　Numeric grades

　　The grades example: 048,021 (BH) max of 366 ~ 398kj/m3, Hcj 800KA / m sintered Nd-Fe-B permanent magnet materials.

　　Character grades

　　Grades of Sintered NdFeB magnets permanent magnet materials by the main Chenghe two kinds of magnetic properties of three parts, the first part of the main said, the chemical symbol ND neodymium, the chemical symbol FE iron and boron chemical symbol B composed, second part of the line before the digital material maximum energy product (BH) max nominal value the (unit kj/m3), and the third part is the number after the slash, the value of the coercivity of magnetic polarization (in KA one-tenth of the value of the / m) using rounded to the nearest integer.

　　The grades example: NdFeb380/80 (BH) max of 366 ~ 398kj/m3, Hcj for 800KA/MR sintered Nd-Fe-B permanent magnet material.

　　General application:

　　Sintered NdFeB magnets have excellent magnetic properties, widely used in electronics, electrical machinery, medical equipment, toys, packaging, hardware and machinery, aerospace and other fields, the more common permanent magnet motors, speakers, magnetic separator, computer disk drives, magnetic resonance imaging equipment, instrumentation, etc..