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Product Details:
Payment & Shipping Terms:
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| Working Temperature: | 80-220°C | Max Length: | 240mm |
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| Max Diameter: | D240mm | Density: | 7.4-7.6g/cm3 |
| Tolerance: | ±0.05mm | Grade: | N35-N52, N35M-N50M, N35H-N48H, N35SH-N45SH |
| Size: | Custom | ||
| High Light: | neodymium rare earth magnets,custom neodymium magnets |
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NdFeB Ring Magnet D20 X D10 X 2mm N42H Coating Zn Direction Of Texture
| Physical Properties of Sintered Neodymium Magnet | |||
| Temp. Coeff. of Br | Normal: -0.12%/℃ | Temp. Coeff. of Hc | Normal:-0.72~ -0.65%/℃ |
| Tgrade: -0.11%/℃ | Tgrade:-0.65~ -0.50%/℃ | ||
| LT grade: < -0.10%/℃ | LT grade: < -0.50%/℃ | ||
| Density | 7.4~7.6g/cm3 | Electrical Resistivity | 114 µ Ω . cm |
| Vickers hardness | 600Hv | Thermal Conductivity | 8.95W/m . k |
| Curie Temperature | 310~340℃ | Relative recoil permeability µ rev | 1.05 |
| Some Coatings of Sintered Neodymium Magnets | ||||
| Surface | Coating | Thickness (Microns) | Color | Resistance |
| Passivation | 1 | Silver Grey | Temporary Protection | |
| Nickel | Ni+Ni | 10-20 | Bright Silver | Excellent against Humidity |
| Ni+Cu+Ni | ||||
| Zinc | Zn | 8-20 | Bright Blue | Good Against Salt Spray |
| C-Zn | Shinny Color | Excellent Against Salt Spray | ||
| Tin | Ni+Cu+Sn | 15-20 | Silver | Superior Against Humidity |
| Gold | Ni+Cu+Au | 10-20 | Gold | Superior Against Humidity |
| Copper | Ni+Cu | 10-20 | Gold | Temporary Protection |
| Epoxy | Epoxy | 15-25 |
Black Red Grey |
Excellent Against Humidity & Salt Spray |
| Ni+Cu+Epoxy | ||||
| Zn+Epoxy | ||||
| Chemical | Ni | 10-20 | Silver Grey | Excellent Against Humidity |
| Parylene | Parylene | 5-20 | Grey |
Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria. |
We have accumulated abundant experience and established stable and credible business relationships with customers worldwide. With rich experience in dealing with all types of large and small orders, we have developed extensive contacts with many local and international freight organizations. Consequently, we are able to ship our goods safely and reliably to almost anywhere in the world.
For more detail info, please feel free to visit our website or inquire us at any of your convenience.
Contact Person: Yuxiang
