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Further reading about Dexter's Bonded Neodymium - NeoForm® - can be found below.
| Grade | Max Energy Product |
Residual Induction |
Min Intrinsic Coercivity |
Coercivity | Max Operating Temp |
Curie Temp |
Coefficient Induction 20-150°C |
| BHmax | Br | Hci | Hc | Tmax | Tc | α | |
| MGOe | kG | kOe | kOe | °C | °C | % / °C | |
| BN0406 | 4 | 3.0-4.0 | 6 | 3.0-4.0 | 160 | 300 | -0.11 |
| BN0607 | 6 | 4.0-5.0 | 7 | 3.0-4.0 | 160 | 300 | -0.11 |
| BN0707 | 7.5 | 5.0-6.0 | 7 | 4.0-5.0 | 160 | 300 | -0.11 |
| BN0908 | 9 | 6.0-6.8 | 8 | 4.5-5.5 | 160 | 300 | -0.11 |
| BN0908 | 9 | 6.0-6.8 | 8 | 5.0-6.0 | 160 | 350 | -0.11 |
| BN0913 | 9 | 6.0-6.6 | 13 | 5.0-6.0 | 180 | 350 | -0.10 |
| BN0910 | 9.5 | 6.2-6.8 | 10 | 5.0-6.0 | 180 | 350 | -0.10 |
| BN1008 | 10.5 | 6.8-7.3 | 8 | 5.0-6.0 | 160 | 350 | -0.10 |
| BN1108 | 11 | 7.0-7.5 | 8 | 5.5-6.5 | 160 | 350 | -0.10 |
| BN1209 | 12 | 7.2-7.7 | 9 | 5.5-6.5 | 160 | 350 | -0.10 |
| BN1210 | 12 | 7.4-8.0 | 9.5 | 5.5-6.5 | 160 | 350 | -0.10 |
| BN1206 | 12 | 7.6-8.1 | 6 | 5.0-6.0 | 150 | 320 | -0.12 |
NeoForm® bonded Neodymium magnets are made of the powerful Nd-Fe-B material mixed into an epoxy binder. The mix is approximately 97 vol% magnet material to 3 vol% epoxy. The manufacturing process involves combining Nd-Fe-B powder with an epoxy binder and compressing the mixture in a press and curing the part in an oven. Since the material is formed by compression bonding, the dimensions typically vary .002" or better for a given run.
NeoForm material is isotropic, so it can be magnetized through any direction, including multi-polar arrangements. Because the material is in an epoxy binder, it can be machined on a mill or lathe. However, the material will not support a thread, so holes cannot be tapped. NeoForm® material is often used to substantially reduce the size of designs that used ceramic magnet materials. Significant size reductions can be achieved because NeoForm® material is approximately 3 times stronger than ceramic magnet material. In addition, since NeoForm® material is isotropic, it can be magnetized multi-polar, such as a N-S-N-S pattern on the outer diameter of a ring.
Still have questions? Check out our Bonded Magnet Materials FAQ under the Resource section of our website.
Our teams are always available to answer any questions or provide a quote. Fill out our Quote Request and we will get back to you shortly.
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