Active Member
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[China]
Address: Rm2002,20F ,Huahong Fifth Avenue Mansion,No,719, Zhongxing RD,Ningbo,China.
Contact name:Jim
Ningbo Hongrui Import And Export Co., Ltd. |
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NdFeB magnet
1.Grades
| Grades | N35-N52 | N35M-N50M | N35H-N48H | N35SH-N45SH | N30UH-N40UH | N30EH-N38EH |
| W T | 80°C/60°C | 100°C | 120°C | 150°C | 180°C | 200°C |
- The grades like N48-N52 could meet your requirement on strong
power
- Standard one like N35 or N38 is okay for your normal applications
- If you have requirement on the working temperature, please note
it.
2.Shapes and Sizes
| Block / Bar | Length x Width x Thickness |
| Disc / Cylinder | Diamter x Thickness |
| Ring | External Diamter x Internal Diameter x Thickness |
| Irregular | According to customer's size or drawing request. |
3. Coatings / Platings
Others Choices: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 |
Note: If you have requirement of PCT and Salt Spray Test
requirement, please inform us.
4. Magnetism orientations
