... elements to make it strong.1. General features of the NdFeB magnet:NdFeB Magnet Grades: N33, N35, N38, N40, N42, N48, ... coatingsShape: arc, tile, square, cylinder and magnetic ring with various sizesHigh magnetic performance (Br: 11,000 to 14, ... tempt Coefficient2. Applications of the NdFeB magnetGenerators, servo motors, DC motors, computer rigid disc drives,Wind generatorLoudspeakers, annunciators, ...