Black Epoxy Coating Neodymium Ring Magnet

March 01 08:07:55, 2024

  • Model NO.: ET-49
  • Shape: Ring
  • Grade: as Customer Required
  • Composition: NdFeB Magnet
  • Work Temp: -20 ~ 80oc
  • Transport Package: Carton
  • Origin: China, Ningbo
  • Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Coating: Nickel
  • Type: Permanent
  • Processing Tolerance: -0.05 ~ +0.05mm
  • Trademark: eastar
  • Specification: N35-N52
  • HS Code: 8505111000
Black Epoxy Coating  Neodymium Ring Magnet
Materials: Sintered NdFeB / Neodymium magnet
Surface treatment: Ni, Ni + Cu + Ni, Zn, epoxy, gold, etc.

Applications of neodymium magnets:
1) Servomotor, step motor, DC motor and linear motor
2) Loudspeaker, headphone, earphone and microphones
3) Holding system equipment
4) Medical facility
5) Sound device
6) Wind power
7) VCM, MRI
8) Mobile accessory
9) Research and development, as well as many other applications

Magnet neodymium iron boron
1. Arc or rectangular magnet.
2. Zinc coating to protect the surface.
3. Used for electric motors

1. Magnet: Neodymium magnet

2. Characteristics:
Super strong Br resident induction.
Excellent demagnetization resistance capability.

3. Surface Treatment Method:
Black Nickel, Chroming, Copper, Epoxy, Gold, Nickel, Nickel+Epoxy, Nickel+Sn, Passivation, Zinc, phosphating

4. Applications of Neodymium Magnets:
AC Motors, DC Motors, servo motors, step motors
Computer rigid disc drives
Magnetic Separators
Magnetic resonance imaging
Speakers & earphones
Medical care machines
 
Parameter unit Standard Data
Curie Temperature(Tc) ºC 310-380
Maximum Operating Temperature(Tw) ºC 80-200
Hardness Hv 620
Electrical Resistivity Ω.CM 1.8X10-4 ~2.0X10-4
Density(D) g/cm3 7.5~7.65
Recoil Permeability µ rec 1.05
Magnetization Field Strength(Hs) KOe >  30
KA/m >  2400
Bending Strength Mpa 295~345
Temp. Coefficient of Br (aBr) %/ºC -0.11~ -0.12
Temp Coefficient of Hcj (aHcj) %/ºC -0.5~ -0.7

 

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