Ring Ferrite (Ceramic) magnet for Speaker
1.Applications: Car Audio, Lounspeaker, motor and so on.
2.Material:The ferrite magnet is made from molding powder mixture of about Fe2O3(80%) and either BaCO3 or SrO3(20%).For need,some additives such as Cobalt and Lanthanum are mixed together to improve the magnetic performance coefficient.
3.Shape: Ring, Segment, block, disc, cylinder, Customized shapes for Sintered Ferrite Magnet are available.
4.Tolerance: Outer and Inner Diameter are avaliable 2%, thickness is+/-0.1mm
5.Work Temperature:The operation temperature is between -40 and +250 degree centigrade;
7.SIZE: According to clients' need;
8.Direction of magnetisation: Radial matching the magnetization. Axially magnetized or Diametrically magnetized.
9.Packing & Shipping
a: the weight is under 40Kg,we will choose DHL, TNT or Fedex with shielding box for you;
b: the weight is over 100Kg,we will choose shipping for you;
c: the weight is between 40Kg-100Kg per you request;