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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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NdFeB disc 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-D15
Production Capacity: 100TON/MONTH
Delivery Date: 7-30days
Type: Permanent
Brand Name: rainbow magnet
Means of Transport: Ocean,Air;experess
Packing: standard air cartons or sea...
Application: Industrial Magnet
Composite: Neodymium Magnet
Shape: Disc

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


picture show the powerful ndfeb round magnet with NiCuNi coating.

NdFeB (Neodymium Iron Boron magnets Neo 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.

Bonded NdFeB also have two kinds magnet: Bonded compression NdFeB and Bonded Injection NdFeB
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,

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.

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,

Grade
Residual Induction
Coercive Force
Intrinsic Coercive Force
Maximum Energy Product
Maximum Operating
Temperature
Br
Hcb
Hcj
(BH)max
Tw
T
KGS
KA/m
KOe
KA/m
KOe
KJ/m3
MGOe
N28UH
1.04-1.08
10.4-10.8
780-812
9.8-10.2
≥1990
≥25
207-223
26-28
≤180
N30UH
1.08-1.12
10.8-11.2
804-844
10.1-10.6
≥1990
≥25
223-239
28-30
≤180
N33UH
1.14-1.17
11.4-11.7
820-876
10.3-11.0
≥1990
≥25
247-263
31-33
≤180
N35UH
1.17-1.21
11.7-12.1
860-907
10.8-11.4
≥1990
≥25
263-279
33-35
≤180
N38UH
1.22-1.26
12.2-12.6
860-907
10.8-11.4
≥1990
≥25
287-303
36-38
≤180
N40UH
1.26-1.29
12.6-12.9
860-907
10.8-11.4
≥1990
≥25
289-303
38-40
≤180


demagnazation curve for UH grade in difference temperature:

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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