本规范涵盖了干燥粉末形式的非荧光磁粉，其形式为单个或复合磁粉，拟悬浮在油或调节水载体中，用于湿法磁粉检测。

This specification covers nonfluorescent, magnetic particles in the form of dry powders in the form of single or composite magnetic particle intended to be suspended in oil or conditioned water vehicle for use in the wet method, magnetic particle inspection.