... Very stable. 3.Strong resistance to demagnetization Sintered NdFeb cup Magnet*********************************** Products performance:Grade: N35-N52,30H-48H,30SH ... to 200 degreesStructure: Block, Tile, Disc, Ring, Segment, Cylinder, etc.*********************************** Products detailed: GradeBr mT(KG)bHc KA/m(KOe ... , linear actuators, household appliances, toys, bags.... Sintered NdFeb cup Magnet