... Neodymium rare earth magnet, Long block magnets with custom design Product specifications:1. Block magnet has grades of N35, ... .2. Working temperature for NdFeB block magnets:from 80 centigrades to 200 centigrades.3. block magnets are thenecessary parts for motors ... world.So till now, it has universally been used in electronics, aviation, motors, automobiles, medical apparatus, transmission machine... ...