Magnet
Material
|
Cost
|
Max.
Magnetic Energy
|
Max
Working Temperature
|
Corrosion
Resistance
|
Magnetic
Properties
|
Alnico
|
Moderate
|
9.0
MGOe
|
550°C
|
Fair
|
Medium
|
Ceramic
|
Very
Low
|
3.5
MGOe
|
350°C
|
Excellent
|
Low
|
Bonded
Ferrite
|
Moderate
|
2.1
MGOe
|
150°C
|
Excellent
|
Low
|
SmCo5
|
Very
High
|
22
MGOe
|
250°C
|
Excellent
|
High
|
Sm2Co17
|
Very
High
|
32
MGOe
|
375°C
|
Excellent
|
High
|
Sintered
NdFeB
|
Moderate
High
|
50
MGOe
|
200°C
|
Poor
|
Very
High
|
Bonded
NdFeB
|
High
|
12
MGOe
|
150°C
|
Poor
|
Medium
|
Low
Energy Flexible
|
Low
|
0.7
MGOe
|
85°C
|
Good
|
Very
Low
|
High
Energy Flexible
|
Moderate
Low
|
1.6
MGOe
|
85°C
|
Good
|
Low
|