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

Block Magnet, Magnets, Neodymium manufacturer / supplier in China, offering N40 Huge Size Block Neodymium Magnet Sale, Sector Neodymium Magnet Free Energy Generator, Customized Office Round White Board Magnets and so on.

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Supplier Homepage Product Neodymium Magnet N40 Huge Size Block Neodymium Magnet Sale

N40 Huge Size Block Neodymium Magnet Sale

Purchase Qty.:
(Pieces)
300-2,999 3,000+
FOB Unit Price: US $3.39 US $3.31
Purchase Qty. (Pieces) FOB Unit Price
300-2,999 US $3.39
3,000+ US $3.31
Get Latest Price
Production Capacity: 500PCS/Day
Transport Package: Carton Box with 33X24X26cm
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: N40
  • Shape: Block
  • Grade: N40
  • Tolerance: +/-0.05mm
  • Magnetism Dircetion: Thickness
  • Specification: 30X30X20mm
  • HS Code: 85051190
  • Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Coating: Nickel
  • Size: 30X30X20mm
  • MOQ: 300PCS
  • Trademark: hzdunben
  • Origin: Hangzhou
Product Description
1.Neodymium Magnet                                                        
Neodymium Magnet is Neodymium(29%-32.5%)-Iron(63.95%-68.65)-Boron(1.1%-1.2%). 
Neodymium magnets are a member of the Rare Earth magnet family and are the most powerful permanent magnets in the world. They are also referred to as NdFeB magnets, or NIB, because they are composed mainly of Neodymium (Nd), Iron (Fe) and Boron (B).

2.Neodymium Magnet features
DescriptionSintered Rare Earth Permanent Block Motor  Neodymium Magnet
MaterialNeodymium-Iron-Boron 
Working TemperatureGradeMax. Operating Temperature
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)

     Magnet Shape
Arc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid Customized shape are available.

     Magnet Coating
Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

3. Physical and properties of Neodymium Magnet
Thermal Conductivity7.7 kcal/m-h-µC
Young's Modulus1.7 x 104 kg/mm2
Bending Strength24 kg/mm2
Compressive Strength80 kg/mm2
Electrical Resistivity160 µ-ohm-cm/cm2
Density7.4-7.55 g/cm3
Vickers Hardness500 - 600

4.Application of Neodymium Magnet
motors, electronics, engineering, equipment, medical equipment, household appliances
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