... 42SH, 45SH working temperature: 150°C 28UH, 30UH, 33UH, 35UH, 38UH, 40UH working temperature: 180°C28EH, 30EH, 33EH, ... low. (by weight about 20times Ferrite magnet, by dollars per BHmax about 1.5 times ... Ferrite magnet)• Wide range of grades with new ones ... about 1500C (depending on grade and permeance coefficient magnet is operating at) The highest working temperature can ...