This standard applies to the quality classification of permanent ferrite materials (including bonded permanent magnet materials with permanent ferrite materials as the main components and permanent ferrite granules and powders). This standard mainly gives the technical indicators of the magnetic properties of materials. It is not a complete standard and must be used together with GB 2828, SJ/T 10410 and related detailed specifications.
SJ/T 9569.6-1995 history
1970SJ/T 9569.6-1995 Quality grading standard for permanent ferrite materials