• Ring Permanent Magnet for Auto Speakers
  • Ring Permanent Magnet for Auto Speakers
  • Ring Permanent Magnet for Auto Speakers
  • Ring Permanent Magnet for Auto Speakers
  • Ring Permanent Magnet for Auto Speakers
  • Ring Permanent Magnet for Auto Speakers

Ring Permanent Magnet for Auto Speakers

Shape: Ring Shape
Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
Coating: Nickel
Grade: N50
Type: Permanent
Composition: NdFeB Magnet
Customization:

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Overview

Basic Info.

Model NO.
N35-N52/R018
Transport Package
Carton
Specification
from35-52
Trademark
eastar
Origin
China, Ningbo
HS Code
8505111000
Production Capacity
500ton/Year

Product Description

Neodymium permanent magnets rings:
Supply arc/segment magnets, magnetic tile for motor with high quality, competitive price and fast delivery.
Materials: Sintered NdFeB / Neodymium magnet
Surface treatment: Ni, Ni + Cu + Ni, Zn, epoxy, gold, etc.

Magnet Parameter data sheet:
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

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
 

Eastar Advantages
1.Competetive price
Strategic cooperation with China's No.1 rare earth miner CHINALCO, which enables us strong and safe backup for rare earth raw materials cost stability, 3 x -3% annual price down guaranteed.
2.High Quality
ISO9001, ISO14001 certified company, RoHS, REACH, SGS, FDA complied product. 0 PPM performance for General Motor's OEM since 2008, remarkable customers such as SIEMENS, BMW, REGAL BELOIT, NIDEC, ELECTROLUX, S&T Motiv. Over 100 million neodymium magnets delivered to American, European, Asian  and  African countries.
3.Best Service
One stop service from R&D to mass production. Will feedback to our customer within 12Hours.
 

Company Profile

Ring Permanent Magnet for Auto SpeakersRing Permanent Magnet for Auto Speakers


Test Equipment & Workshop
 • Demagnetization Curves & Outgoing Inspection Report for each shipment.
 

Packaging & Shipping

Ring Permanent Magnet for Auto Speakers
Standard Packaging
•  Vacuum packaging for all Neodymium magnets and Neodymium magetic assemblies.
• Shielding box and wooden box to protect the Neodymium magnets during shipping.

Shipping Methods 
• Contract price with FedEx, DHL, UPS and TNT to minimum your shipping cost.
• Experienced shipping forwarder for Ocean and Air shipments.

FAQ

 

Ring Permanent Magnet for Auto Speakers



 

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Diamond Member Since 2013

Suppliers with verified business licenses

Manufacturer/Factory & Trading Company
Number of Employees
123
Year of Establishment
2012-04-16