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Rainbow Magnet Ltd.
Rainbow Magnet Ltd.  

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oem sintered ndfeb strong permanent irregular magnet 

Price: 0.1~5.0 USD 
Payment Terms: T/T,L/C,WU 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: RM-I17
Production Capacity: 100TON/MONTH
Delivery Date: 7-30days
Type: Permanent
Brand Name: rainbow magnet
material: Neodymium Iron Boron
kind: sintered NdFeB magnet
grade: N/M/H/SH/UH/EH/AH
Means of Transport: Ocean,Air;experess
Packing: standard air cartons or sea...
Application: Industrial Magnet
Composite: Neodymium Magnet
shape: frame
description: rare-earth permanent magnet
coating: Ni coating

1) Difference shape according client demand
2) Various grade
3) Stable magnetic performance
4) Ts16949

OEM magnetic NdFeB magnet with irregular door shape
According the max working temperature, we can divide Sintered magnet to 7 grades, N grade is for 80 ℃,grade M is for 100℃,grade H is for 120℃,grade SH is for 150℃,grade UH is for 180℃ and grade EH is for 200℃,you according your demand to choose the grade which you need.
Mostly of rare earth permanent magnet always work do not at room temperature or under vacuum, in order to keep the accuracy of shape size and avoid the Corrosion and oxidation, we must make the coating on the surface.
Sometime, the customers have high demand of NdFeB anti-corrosion, antioxidant, we can design the magnet,add some elements, such as: niobium, vanadium, cobalt and other metal to replace part of the iron to catch the customer requirements of the acid and alkali resistant,antioxidant level, however, because of special material, we need MOQ for it.
salt spray test results for coating
Commonly type of coating
Coating thickness(um)
salt spray test
dark Ni
Shine Ni
Single-layer Ni
Double-layer Ni
Dark Ni-Cu–shine Ni

The main physical properties of sintered NdFeB
magnetic properties
Density /g.cm3
VickersHardness HV
Resistivity /υΩ.cm
Coefficient of ThermalExpansion (C⊥)/K-1
Coefficient of ThermalExpansion (C∥) /K-1

OEM magnetic NdFeB magnet with irregular door shape:

Material: Sintered Neodymium-Iron-Boron.
Size and shape: It will be different according to client's requirement;
Magnetic property: From N35 to N52, 35M to 50M, 35H to 48H, 33SH to 45SH, 30UH to 40UH, 30EH to 38EH;we are able to manufacture the full range of Sintered Nd-Fe-B products including the high energy magnets such as N52, 50M, 48H, 45SH, 40UH,38EH,34AH, (BH)max from 33-53MGOe, maximum working temperature up to 230 Degrees Centigrade.
Coating: Zn, Nickle, silver, gold, epoxy and so on.
Advantage: Temperature Stability: Neodymium magnets lose -0.09~-0.13%of Br/°C. Their working stability is under 80°C for low Hcj Neodymium magnets and above 200°C for high Hcj Neodymium magnets;
OEM magnetic NdFeB magnet with irregular door shape
OEM magnetic NdFeB magnet with irregular door shape
 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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