... ), working temperature:120 degree Celsius.Magnet SH-(N30SH---N45SH), working temperature:150 degree Celsius.Magnet UH-( N30UH ... --N40UH), working temperature:180 degree Celsius.Magnet EH-(N28EH---,N38EH) working temperature:200 degree Celsius.Magnet AH-(N28AH, ... N30AH, N33AH)working temperature:220 degree Celsius.2.Surface Treatments ...