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neodymium magnet

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Ring NdFeB Magnets  
Neodymium Iron Boron Ring

Time:2016-06-21 Clicks:1633

 

 

Neodymium Iron Boron Ring

Material : NdFeB or Neodymium Iron Boron

Shape of magnet: Ring

Grade of magnet: N42

Dimension: 18 x 15mm

Thickness: 2.5mm

Tolerance: +/-0.1mm

Plating : Black Epoxy Rsin

Operating Temp(Max).: 80℃ (176℉)

Maximum Br: 13400Guass

Application:suitable for Jewelry and healthy care

Other size and grade are available on request

N42 Grade  OD18 x ID15 x 2.5mm  Neodymium gold ring for jewelry
Grade of Neodymium Magnet                                 
N33   N35  N38  N40  N42  N45  N48  N50  N52         Working Temp. 80℃ (176℉) 
33M   35M  38M  40M  42M  45M  48M  50M               Working Temp. 100℃ (212℉) 
33H   35H  38H  40H  42H  45H  48H  50H                 Working Temp. 120℃ (248℉) 
33SH  35SH  38SH  40SH  42SH  45SH                     Working Temp. 150℃(302℉) 
30U   33UH  35UH  38UH  40UH  42UH                      Working Temp. 180℃ (356℉) 
30EH  33EH  35EH  38EH  40EH                                Working Temp. 200℃ (392℉) 
28AH  30AH  33AH                                                  Working Temp. 230° C (446℉) 

Dimension range of Disc Magnet 
Outer diameter:  2.0mm ~ 200mm
Inner diameter:   2.0mm ~ 80mm
Thickness :   1.0mm ~ 50mm

Tolerance of Neodymium Magnet
Standard tolerance : +/-0.1mm  (±0.004” )
Also stricter tolerance are possible if specially requested.

Surface coating of Neodymium Magnet
Nickle, Zinc, Ni-Cu-Ni, Silver, Gold, Black or Grey epoxy resin, Passivation, Parylene, Ni+Sn 
Also provide special suface protection to neodymium magnet, Iron cover, Plastic coated,
Rubber coated
Packaging and Delivery 
Packaging: Neutral box packaging, inner box , foam inside and other protection, to ensure 
safely of transportation.
Delivery time: 8 ~ 20days, depend on customer’s order quantity.
neodymium magnets
How to order
1.Type of magnet and Grade
2. Shape and dimenion of Magnet
If possible, it’s better to send us a drawing or sketches.
3. Tolerance of Magnet
4. Quantity
5. Direction of Magnetization
6. Surface coating (if any)
7. In case, you have no idea about the grade and surface coating, please tell us the following information:
7-1.  What’s the product used for ?
7-2.  Operating temperature and environment (dry. Humit, salt or others )

 For more useful information,please feel free to contact us:nbsuns@qq.com

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钕铁硼厂家

NINGBO JIANGBEI SUNS MAGNET CO.LTD. magnetic materials|steel|neodymium magnet|rare earth permanent magnets Add:N0.198,Jiangbei Avenue,Ningbo,China 315000
TEL:0086-574-87704159、0086-0574-87704157 Fax:0086-574-87704157 Email:nbsuns@qq.com