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Y30BH Ceramic Block Magnet

Customized Permanent Ferrite Magnet/Ferrite Bar Magnets

1.Dimensions: According to your requirements

2.Grade: Y30,Y30BH,Y30BH-1,Y35 and etc

3.Magnetized: Length,Width,Thickness,as optional

4.Size:max out dia. 280mm,max thickness 40mm

5.Tolerance:OD and ID 2%,+/-0.1mm for thickness

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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 Bar 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.