Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
Number of Employees:
23
Year of Establishment:
2010-01-13
Management System Certification:
ISO 9001
Terms of Payment:
T/T, PayPal
OEM/ODM Service
Sample Available

Block Magnet, Magnets, Neodymium manufacturer / supplier in China, offering N40 Huge Size Block Neodymium Magnet Sale, Segment Shape Motor Neodymium Magnet N35-N52, LNG40 Rare Earth Guitar Pickup AlNiCo Rod Magnet and so on.

Gold Member Since 2015
Audited Supplier

N40 Huge Size Block Neodymium Magnet Sale

Get Latest Price
Purchase Qty. / Reference FOB Price
300-2,999 Pieces US $3.39
3,000+ Pieces US $3.31
Port: Shanghai, China
Production Capacity: 500PCS/Day
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
Shape: Block
Coating: Nickel
Grade: N40
Size: 30X30X20mm
Tolerance: +/-0.05mm

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Basic Info

Model NO.: N40
MOQ: 300PCS
Magnetism Dircetion: Thickness
Trademark: hzdunben
Transport Package: Carton Box with 33X24X26cm
Specification: 30X30X20mm
Origin: Hangzhou
HS Code: 85051190

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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