The invention relates to a ferromagneticoxidepowder for magnetic recording and a preparation method thereof.
本发明涉及一种磁记录用铁氧体磁粉及其制备方法。
2
The invention also provides the preparation method of the ferromagneticoxidepowder, comprising the steps of dosing, mixing, preburning, crude crushing, fine grinding, drying, annealing and smashing.