N38 D35X26X13 powerful magnet with ISO9001 used for speaker
USD $0.1 - $50 /Piece
Min.Order:1000 Pieces
Shanghai CJ Magnet Industry Co., Ltd.
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N38 D35X26X13 powerful magnet with ISO9001 used for speaker
1 detailed product description
Sintered NdFeB magnet | Strong permanent magnet with magnetic properties |
Grades | N33, N35, N38, N40, N42, N45, N48, N50, N52, (M, H, SH, EH, UH ) |
Coatings | Nickel, Ni-Cu-Ni, Zinc, white-blue Zn, Black epoxy resin, Gold |
Sizes | customized |
Shapes | Disc, cylinder, sphere, block, ring, tile, arc, and other irregular shapes |
Tolerance | +/-0.05mm unless specified. |
Magnetized direction | Through thickness, diameter, axial, etc |
Maximum working temperature | 80 to 120 degrees C |
Delivery time | Within 7-30 days when order confirmed |
Package Condition | Standard air/sea protective package, unless specified.
|
2 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
3 FAQ
1, Can you do the seicial designs for us?
Of course ,We have a professional team having rich experience in design and manufacturing just send us your design and tell us the dimensional tolerance, and we will produce the special moulds for your products and produce the products.
2, When can I inquiry or email or calling or skype you ?
We usually quote within 24 hours after we get your inquiry . If you are very urgent to get the price , please call us or tell us in your email so that we would regard your inquiry priority .
3, How can I get a sample to check your quality ?
After price confirmation , you can require for samples to check our quality . If you need the samples , we will charge for the sample cost . But the sample cost can be refundable after order confirmation when your quantity of the order is more about the MOQ .
4 why choose us
1 we have professional design produce and sales teams.
2 we have professional and advanced machines
3 our products are all in high quality
4 we have good after-service
5 all manufacture steps can be finished by our own.
5 Coating
surface | coating | color | Thickness(um) | SST | PCT |
Nickel | NI(NICUNI) | Bright silver | 10-20 | >24-72 | >24-72 |
Cr3+Zinc | Zn/C-Zn |
| 5-8 | >16-48 |
|
Sn | NI+CU+NI+Sn | silver | 10-25 | >36-72 | >48 |
Epoxy | Epoxy | Black/grey | 10-20 | >48 |
|
Passivation |
| Dark gray | 1-3 | Temporary protection |
|
Phosphate |
| Dark gray | 1-3 | Temporary protection |