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N48 Big Size Zinc Coating Ring Neodymium Magnet

Place of Origin: 
China, Ningbo
Supply Ability: 

Basic Info

Model No.:  SC-002

Product Description

Model NO.: SC-002 Shape: Ring Grade: N48 Composition: Ndfeb Magnet Working Temp: -20ºC ~ 80ºC Transport Package: Carton Origin: China, Ningbo Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet Coating: Zinc Type: Permanent Size: as Client Need Trademark: eastar Specification: from35-52 HS Code: 8505111000 Permanent Neodymium Ring Magnet
1. Ring magnet.
2. Zinc coating to protect the surface(Nickel, epoxy, silver, gold...optional.)
3. Used for electric motors, earphones, speakers...

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

We own a professional QC team and advanced test and inspection equipment to ensure high-quality products, and strict procedure  to ensure timely delivery and perfect after-sales service.

N48 Big Size Zinc Coating Ring Neodymium Magnet

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