sintered ferrite speaker ring maget
Sintered ferrite magnet is made of Sro or Bao and Fe2O3 by ceramic processing technology, now, we have 6 models of permanent magnet products, Grade : Y8T, Y20, Y25, Y30, Y30BH, Y35 and etc.
Shape: rings, disks, blocks, and segments.
This class of magnet is very hard, brittle and possesses lower energy characteristics compared to other magnetic materials. However, it is very popular and widely used because of its excellent resistance to demagnetization, corrosion, and the advantageous pricing.
If you are interested in Speaker magnet system,please contact us.we can supply you the sintered ferrite speaker ring maget as to your drawing.