High Quality Disc Permanent NdFeB Magnet for Speakers Ferrite Magnet

• Customization: Available
• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
• Shape: Cylinder
• Model NO.: ET-89
• Coating: Nickel
• Grade: N35-N52/H/Uh/Ah
• Type: Permanent
• Composition: NdFeB Magnet
• Tolerance: -0.05~+0.05mm
• Size: Can Be Vary According to Drawing
• Magnetization: as Clients Need
• Transport Package: Standared Carton&Pallet
• Specification: N35-N52( M, H, Sh, Uh, Eh, Ah )
• Trademark: eastar
• Origin: China, Ningbo
• HS Code: 8505111000
• Production Capacity: 500000PCS/Month

Product Description

High Quality Disc Permanent NdFeB Magnet for Speakers Ferrite Magnet

Neodymium magnet offer the strongest magnetic power today. They are particularly suitable for high volume production in a wide variety of shape and size. Precise dimensional control is achieved in machining processes.

1.Applications:Motors, Generators, Sensors, Speakers, Earphones and other musical instruments, Magnetic therapy devices, Magnetic Chuck, Magnetic bearings and couplings, NdFeB Pot Magnet and other magnetic applications.
2.Grade: N35-N52, N35M-N50M, N35H-N48H, N35SH-N45SH, N28UH-N42UH, N28EH-N40EH, N28AH-N38AH.
3.Shape: Customized4.Coating:Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-Ag, Ni-Au, Passivation, Parylene, etc.
5.Size:Customized size per your requirements.
6.Certification:ISO9001:2008 and RoHS.

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.

Rare Earth Neodymium permanent magnets:
Shape: Customized design (Cup shape)
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

Company Profile

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

Packaging & Shipping

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