R25X15X10MM strong and permenent ring Neodymium Ring Magnets in silver color
1 quick detail
| Product Name: | NDFEB Rare Earth N35 Disc Magnets, Size25*15*10mm, Thickness Magnetized | Raw Material: | Neodymium |
| Size: | 25*15810mm | Type: | Permanent |
| Standard: | ISO9001/ROHS/SGS | Coating: | Ni |
| Grade: | N35 | Shape: | Ring |
| Magnetic Properties: | Sintered Neodymium Magnets | Magnetism: | Strong |
2 grade
Range: N35-N52; N35M-N50M;
N35H-N48H, N35SH-N45SH;
N30UH-N40UH, N30EH-N38EH.
| Grade: | N35-N52 Max. Working Temperature 80 °C |
| 33M-48M Max. Working Temperature 100 °C | |
| 33H-48H Max. Working Temperature 120 °C | |
| 30SH-45SH Max. Working Temperature 150 °C | |
| 30UH-40UH Max. Working Temperature 180 °C | |
|
28EH-38EH Max. Working Temperature 200 °C |
3 manufacture process
Main steps:
1 raw material ready
2 strip casting
3 hydrogen broken
4 jet milling
5 magnetic pressing
6 sintering
7 magnetic property test
8 machining
9 electroplating
10 inspection
magnetized
4 coating
Others available: Nickel, Zinc, Gold, Silver, Epoxy, Parylene, etc.
| Coating and Corrosive Resistance of Sintered NdFeB | ||||||
| Surface | Coating | colour | Thickness (um) |
Resistance can be | Corrosive Resistance | |
| PCT Test | Salt Spray Test | |||||
| Nickel | Ni/NiCuNi | Silver | 10-20 | 48h/72h | 72h | excellent |
| Zinc | blue zinc/colour zinc | brightblue/shinyblue | 8-20 | 24 | 24 | good |
| epoxy | epoxy/NiCu+Epoxy | black/grey | 15-25 | 48 | 96 | excellent |
| Tin | NiCuSn | silver | 15-20 | 72 | 72 | superior |
| Parylene | Parylene | grey | 15-25 | 96 | 200 | superior |
| Teflon | Teflon | grey | 10-20 | 12 | 24 | superior |
| Phosphorization | - | grey | 1-2 | - | - | temporary protection |
| Passivation | - | grey | 1-2 | - | - |
temporary protection |
5 applications & cooperated customers
| Areas | Coorporated companies |
| Wind energy | Gold Wind Company |
| EPS mortor | AMK company |
| Speakers | Panasonnic |
other applications : car medical computer airplane and so on
