Large Round Strong Speaker Magnet Metallurgical Neodymium Iron Boron Magnets
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
30H-46H Neodymium Speaker Magnet Disc For Loudspeaker
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30H-46H Neodymium Speaker Magnet Disc For Loudspeaker
Features
1. Ndfeb disc or cylinder magnet has superior magnetic properties than other magnets
2. Higher unit magnetic properties
3. Smaller size and lighter weight in designing devices
4. Mostly an iron based alloy, NdFeB type rare earth magnet is much more prone to surface oxidation or rust, and elimination. Users should consider magnet coating, plating or suitable surface treatment
5. Less prone to chipping during handling
6. Lower temperature coefficient of magnetic properties than ceramic, higher than SmCo type rare earth magnet
7. Irreversible loss at high temperature
General Specification
1. Neodymium magnet have various grades such as 30H-46H
2. Working Temperature of Neodymium magnetfrom 120 centigrade
3. Surface Treatment of Neodymium magnet such as Ni, Zn, Epoxy, Gold and so on(As the customers' request)
Grade Reference
|
Grade |
Br (mT) |
bHc (KA/m) |
jHc (KA/m) |
BHmax (MGOe) |
Density (g/cm3) |
Br.Temp. Coefficient (%/) |
Working Temp.() |
|
30H |
1080-1130 |
≥810 |
≥1353 |
30-31 |
7.4-7.6 |
-0.1 |
≤120 |
|
33H |
1130-1170 |
≥836 |
≥1353 |
31-33 |
7.4-7.6 |
-0.1 |
≤120 |
|
35H |
1170-1210 |
≥868 |
≥1353 |
33-36 |
7.4-7.6 |
-0.1 |
≤120 |
|
38H |
1210-1250 |
Jet Magnet Technology Co.,Ltd. [China (Mainland)]
Business Type:Manufacturer |
