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Ceramic 8 magnet ferrite ring magnet ferrite ring speaker magnet

Hard Anisotropic Ferrite Magnet


Ceramic magnets (also known as "ferrite" magnets) are part of the permanent magnet family and are currently the lowest cost hard magnets.


The ceramic (ferrite) magnet composed of strontium carbonate and iron oxide has medium strength and can be used at quite high temperature.

Product Detail

Physical Properties of Anisotropic Ferrite Magnet

Density 4.8 ~ 5.1 g/cm³
Electrical Resistivity >=10(4) Ω.cm
Recoil Permeablility 1.05 ~ 1.03
Curie Temperature 460 ~ 480℃
Temperature Coefficient of Br -0.18 ~ -0.2 % /  ( 0-100℃) 
Temperature Coefficient of Hc 0.2 ~ 0.5 % / ℃( 0-100℃)
Coefficient Of Linear Expansion 7 ~ 15  X 10(-6)  /℃


Applications
Fan Motors
Wiper Motors
EPS Motors
Starter Motors
Home appliance Motors
Industrial Motors
Motorcycle Motors
other DC Motors


Process of Ferrite Magnet manufacturing

Raw Material--Mixing / Milling--Calcination--Coarse Milling--Wet Milling--Pressing--Sintering--Grinding&Finishing--Final Inspection--Packing and Dispatch


Advantages of Ferrite Permanent Magnets
Do not corrode in water.
Can be used up to ﹢250 degrees C.
Sometimes up to +300 degrees C in special circumstances.
High coercivity (Hci) that increases as magnet heats up.
Electrically insulating.
Low cost.


Need a Quote?

Please specify the following while ordering:

Shape, dimensions and tolerance

Magnetic specifications

Quantity (one time or repeating order)

Application / End use of the Strontium Ferrite Magnet

Direction of Magnetization

Magnet acceptance inspection method

Magnetization requirements (magnetised) / (demagnetised)


For more specific requirement,Please see Magnetic Properties Of Sintered Ferrite Magnet or contact with our specialist directly.
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