... , 12-35Koe; Max. working Temp:80-240 Degrees; 3. Customized Coating & Sizes AvailableSurface treatment: Ni, Zn, epoxy, silver, gold, tin, Ni ... magnets are found wide application in:Acoustics: speakers, microphone;Transportation: automobile, Motor Assemblies;Electronics: Sensors, Instrumentation, Transducer;Electrical Engineering: Generator, Windmill ...