Gold Member Since 2015
Audited Supplier
Hangzhou Xiaoshan Dunben Magnet Co., Ltd.

Magnetic, Motor Magnet, NdFeB Magnetic manufacturer / supplier in China, offering Permanent NdFeB Magnetic for Motor Generator, Permanent NdFeB Magnet Pot with Strong Attraction, Strong Permanent Ferrite Holding Magnet with Metal Cover and so on.

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Supplier Homepage Product NdFeB Magnet Permanent NdFeB Magnetic for Motor Generator

Permanent NdFeB Magnetic for Motor Generator

Purchase Qty.:
(Pieces)
300-499 500+
FOB Unit Price: US $2 US $1.8
Purchase Qty. (Pieces) FOB Unit Price
300-499 US $2
500+ US $1.8
Get Latest Price
Production Capacity: 50000PCS/Week
Transport Package: Standard Export Package
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: N40
  • Shape: Block
  • Grade: N40
  • Tolerance: +/-0.05mm
  • MOQ: 300PCS
  • Specification: By drawing
  • HS Code: 85051190
  • Application: Speaker Magnet, Industrial Magnet, Solenoid, Motor Magnet
  • Coating: Nickel
  • Size: by Drawing
  • Magnetism Direction: Thickness
  • Trademark: hzdunben
  • Origin: Hangzhou
Product Description
1.NdFeB Magnet
Neodymium( NdFeB )magnets are the strongest type of rare earth magnet commercially available and are manufactured in a wide range of shapes, sizes and grades. 
 
2. NdFeB Magnet Basic information 
MaterialSintered Neodymium-Iron-Boron (NdFeB)
SizeVarious kinds or according to customers' request
ShapeDisc/ Customzsed  (block,disc,Cylinder, Bar, Ring,
Countersunk, Segment,hook,cup, Trapezoid, Irregular shapes ,etc)
PerformanceN52/Customised (N33 N35 N38 N40 N42 N45 N48 N50 N52 …...)
CoatingNi-Cu-Ni, Nickel / Customised (Zn,Ni-Cu-Ni,Ni,Gold, Silver, Copper, Epoxy, Chrome, etc)
Size tolerance±0.05mm for diamater/thickness, ±0.1mm for width/length
MagnetizationThickness Magnetized, Axially Magnetized, Diametrally Magnetized, Multi-poles magnetized, Radial Magnetized. (Customzied specific requirements magnetized)
Max. Working 
Temperature
GradeMax. Operating Temperatures
N35-N5280°C (176°F)
33M- 48M100°C (212°F)
33H-48H120°C (248°F)
30SH-45SH150°C (302°F)
30UH-40UH180°C (356°F)
28EH-38EH200°C (392°F)
28AH-35AH220°C (428°F)
ApplicationsNeodymium(NdFeB) Magnet are widely used in many fields, such as motors, 
sensors, microphones, wind turbines, wind generators,  printer, switchboard,packing box , 
loudspeakers, magnetic separation, magnetic hooks, magnetic holder, magnetic chuck, ect.
 
3.NdFeB Magnet Surface coatings
SurfaceCoatingThickness
(Microns)
ColorResistance
Passivation 0-1Silver GreyTemporary Protection
NickelNi+Ni10-20Bright SilverExcellent against Humidity
Ni+Cu+Ni
ZincZn8-20Bright BlueGood Against Salt Spray
C-ZnShinny ColorExcellent Against Salt Spray
TinNi+Cu+Sn15-20SilverSuperior Against Humidity
GoldNi+Cu+Au10-20GoldSuperior Against Humidity
CopperNi+Cu10-20GoldTemporary Protection
EpoxyEpoxy15-25Black, Red, GreyExcellent Against Humidity & Salt Spray
Ni+Cu+Epoxy
Zn+Epoxy
ChemicalNi10-20Silver GreyExcellent Against Humidity
ParyleneParylene5-20GreyExcellent Against Humidity, Salt Spray. 
Superior Against Solvents, Gases, 
Fungi and Bacteria.


4.Buyer's guide
In order to get accurate quotation at first time, pls let me know below infor
ShapeBlock/Rectangle/SquareDisc/Round/CylinderRing/Countersunk 
DimensionL (?) x W(? ) xT(?)D(?) x T(?)OD(?) x ID(?) x T(?)
For other shapes,please tell more in details or drawing would be much appreciated.
CoatingZn,Nickel,Ni-Cu-Ni,Epoxy,Au,Silver or other ?
Working TemperatureNormal or High temperature ?
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