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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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rare earth small block magnet 

Price: 0.01~10.0 USD 
Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: RM-B23
Production Capacity: 100ton/month
Delivery Date: 10-25days
Shape: Block
Composite: NdFeB Magnet
material: Neodymium Iron Boron
Means of Transport: Ocean,Land,Air
Packing: standard carton by sea or b...
Application: Industrial Magnet
Type: Permanent
Brand Name: Rainbow

1) high cost-effective,
2) good mechanical properties,
3) easy cutting;
4) make any size accroding customer's demand

NdFeB material is currently the strongest type of permanent magnet in the world.
Nd-Fe-B permanent magnet is manufactured in a wide range of shapes, sizes and grades according customer's demand.
NdFeB block magnet has a very high energy product and coercivity, can pick up 660 times of own weight of heavy objects.
The shortcoming is the low of the Curie temperature and the temperature characteristics, easy to rust, oxidation, Sintered NdFeB's surface is usually required for plating such as zinc, nickel, silver, gold, etc., can also be done phosphorus treatment or spray epoxy resin to slow down the oxidation rate.

Nd-Fe-B block magnet with its excellent performance, abundant raw material and reasonable price is to be rapid development and wide application.
Also becoming increasingly popular across a wide range of novelty products for markets.

APPLICATION:
instrumentation,
electro-acoustic motor,
magnetic magnetization device
micro motors,
electronic industry,
automobile industry,
petrochemicals,
nuclear magnetic resonance device,
sound device magnetic suspension system,
magnetic transmission machine
magneto therapy equipment
high performance motors,
brushless DC motors,
generators,
magnetic separation,
magnetic resonance imaging,
sensors
loudspeakers
headphones,
hearing aids,
voice coil motors,
magnetic vibrators,
vibrating motors,
permanent magnet motors,
magnetic thrust axis,
magnetic machinery,
magnetic spring,
magnetic vibration device
magnetic connection,
magnetic drive,
Permanent magnet crane
electromagnetic pumps,
magnetic separators
MRI


attached table of compare rare erath magnet.
Type
composition
Magnetic properties
Br/T
Hc
/(Ka/m)
(BH)m/
(kJ/m3)
Tc/℃
Density
g/cm-3
Sinter NdFeB
Nd13.5(Fe,M)bananceB6.1-7.0
1.1-1.4
800-2400
240-400
310-510
7.4-7.6
Bonded
NdFeB
Nd4-13(Fe,M)bananceB6-12
0.6-1.1
800-2100
56-160
310
5.3-6.0
AlNiCo 5
8%-12%Al,15%-22%Ni
5%-24%Co,3%-6%Cu.
Balance Fe
0.7-1.32
40-60
9-56
890
7.3
AlNiCo8
7%-8%Al,14%-15%Ni
34%-36%Co,5%-8%Ti,
3%-4%Cu,Balance Fe
0.3-0.44
250-350
25-36
450
7.3
1:5,SmCo
62%-63%Co,38%-37%Sm
0.9-1.0
1100-1540
117-179
720
8.1
2:17,SmCo
Sm(Co0.69Fe0.2Cu0.1Zr0.01)7.2
1.0-1.3
500-600
230-240
800
8.2
Bonded smco
Sm(Co0.67Fe0.22Cu0.1Zr0.07Ti0.01)7.1
1.0-1.07
800-1400
160-204
810
7.4

see pic for small NdFeB block magnet

bigPhoto
 Ms. Annie

Tel: 86-574-87840198
Fax: 86-574-87393806
Mobile: 86- 189 5744 9606
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Company Info

Rainbow Magnet Ltd. [China (Mainland)]


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

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