DongGuan Courage Magnetoelectric Technology Co.,Ltd

Ferrite Ring Magnets

Loudspeaker ring magnet D70*32*10

  • Shape: Ring
  • Coating: No
  • Transport Package: Standard Export Packing
  • Shelf time: 2019-08-13 10:12:25
  • Tolerance:Outer and Inner Diameter are avaliable 2%, thickness is+/-0.1mm.Work Temperature:The operation temperature is between -40 and +250 degree centigrade;
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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;
6.Grade: Y20,Y22H,Y25,Y30,Y30BH,Y33,Y35,C1,C5,C8(C8A),etc;
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;