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Ningbo Honglei Magnetics Co., Ltd.
Ningbo Honglei Magnetics Co., Ltd.  

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Speaker ndfeb Motor Magnets 

Price: 0.5~2.0 USD 
Payment Terms: T/T,L/C 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: ,M,H,SH,UH,EH,AH
Production Capacity: 100000/week
Delivery Date: within 5-25days
Shape: Sheet
Composite: NdFeB Magnet
Surface coating: Zn,Ni,Epoxy.NiCuNi
Means of Transport: Ocean,Land,Air
Packing: Cartons
Application: Speaker Magnet
Type: Permanent
Brand Name: honglei

ndfeb Ring Magnet
1.Certificate:ISO9001:2008
2.Application: used in loudspeakers motor,etc
3.dimension:D20xd4.5x10,mm


Ndfeb Ring Magnet
1. Excellent strengthvalue: the highest (BH)max reaches up to 51MGOe.
2.advantage: Extremely Resistance to demagnetization with Hci,theintrinsic coercive force is over 30000Oe.
3. Moderate temperaturestablity: under 80°C for low Hci NdFeB magnet and above 200 °C for highHci NdFeB magnet.
4. Coating: Effective Surface treatment toprevent corrosion, such as Nickel, Ni-Cu-Ni co, Zinc, gold, siliver, tin(Sn),epoxy, chemical, parylene, etc.
5.Shapes and sizesof NdFeB magnet ring:various according to clients'request
6. Application: Sensors, Motors, Rotors, Windturbines/wind generators, Loudspeakers, Magnetic hooks & holder, Filters,Automobiles, etc



The performance of Ring Magnets   
Material Code
Br
Hcj
BH(max)
Max Working temperature
KGs
T
Koe
KA/m
MGOe
KJ/m3
(Tw)
N52
1430-1480
14.3-14.8
>=11
>=876
50-53
398-422
60℃
N50
1400-1450
14.0-14.5
>=11
>=876
48-51
398-423
60℃
N48
1380-1420
13.8-14.2
>=12
>=955
46-49
366-390
80℃
N45
1320-1380
13.2-13.8
>=12
>=955
43-46
342-366
80℃
N42
1280-1320
12.8-13.2
>=12
>=955
40-43
318-342
80℃
N40
1250-1280
12.5-12.8
>=12
>=955
38-41
302-326
80℃
N38
1220-1250
12.2-12.5
>=12
>=955
36-39
287-310
80℃
N35
1170-1220
11.7-12.2
>=12
>=955
33-36
263-287
80℃

Application for Linear Motor Magnets   

DC Mortor,brushless motor, any other motor, generator etc...
bigPhoto
 Mr. Hongfang.Zhang
General Manager
Tel: 86-574-83011965
Fax: 86-574-83011967
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Company Info

Ningbo Honglei Magnetics Co., Ltd. [China (Mainland)]


Business Type:Manufacturer, Trading Company
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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