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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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NdFeB roll magnets 

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-C04
Production Capacity: 100TON/MONTH
Delivery Date: 7-30days
Shape: Coil
Composite: Neodymium Magnet
Grade: N/M/H/SH/UH/EH
Means of Transport: Ocean,Air;experess
Packing: standard air cartons or sea...
Application: Industrial Magnet
Type: Permanent
Brand Name: rainbow magnet

1.High intensity strong anticorrosion
2.Stable magnetic performance
3.Powerful magnetic force

The neodymium magnet is a type of rare-earth permanent magnet. It is made from an alloy of neodymium, iron, and boron to form the Nd2Fe14B tetragonal crystalline structure. This material is currently the strongest type of permanent magnetin the world.

There are two kinds of magnets: Sintered NdFeB magnet and bonded NdFeB magnet.
Nd-Fe-B permanent magnet is manufactured in a wide range of shapes, sizes and grades according customer's demand.
NdFeB has a very high energy product and coercivity, can pick up 660 times of own weight of heavy objects.
The advantage is high cost-effective, with good mechanical properties, easy cutting; according customer's demand to manufacture in a wide range of shapes, sizes and grades.
Also have high Br,high Hcj,high (BH)max,and high stability become the important material of the world.
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 permanent 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.



attached picture is permanent neodymium Iron Boron cylinder magnets

the magnetic properties of rare earth magnet:
compare NdFeB and SmCo
item
Js/T
(BH)m
/KJ.m-3
HA
/MA.m-1
Tc/℃
RE/TM
TM
Nd2Fe14B
1.61
528
6
310
0.117
Fe
SmCo5
1.15
248
32
740
0.166
Co
Sm2Co17
1.56
480
8
890
0.105
Co
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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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