... Dia3- 220 mm , up to N52 Max working temp. 250 degree max Coating : Nicuni, Zn ... block, cube, cylinder, disc, ring, rod, sphere, etc)with different gradeRARE EARTH MAGNET: ( HS Code : 8505119000 )1. ... as strip casting, HDDR technology3. Magnetic properties: High coercive force, the max operation temp is up ... requirments . Rare Earth NdFeB Magnet - High Quality with Reasonable Price - Manufacturer Supply