... 875 Ni 3. Application : speaker magnet 4. Quality controlled Features Specifications: NdFeB Magnets Features1NdFeB Magnets have superior magnetic properties ... in designing devices4Mostly an iron based alloy, NdFeB type rare earth magnet is much more prone to surface oxidation ... loss at high temperature8Types: N30, N33, N35, N38, N40, N42, N30M, N33M, N35M, N38M, N40M, N27H, N30H, N33H, ...