Hangzhou Yangyi Magnetics Co., Ltd.

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10 12 16 32 Poles Bonded NdFeB Neodymium Magnet

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Hangzhou Yangyi Magnetics Co., Ltd.
City:hangzhou
Province/State:zhejiang
Country/Region:china
Contact Person:MsMaggie Yu
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10 12 16 32 Poles Bonded NdFeB Neodymium Magnet

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Brand Name :YYMAG
Model Number :Bonded Magnet
Certification :ISO9001:2015; SGS
Place of Origin :CHINA
MOQ :100pcs
Price :US$0.1-10/pc
Payment Terms :Western Union, T/T
Supply Ability :1000000pcs/momth
Delivery Time :15-25 days
Packaging Details :Standard export packing
Tolerance :+/-0.05 or according to your requirement
Material :Neodymium magnet
Product name :4/6/8/10/12/16/32 Poles Magnetized Ring Shape Bonded Neodymium Magnet
Magnetism direction :Multi-poles magnetized or Customzied specific requirements magnetized
Color :Black
Temperature :150℃
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View Product Description

4/6/8/10/12/16/32 Poles Magnetized Ring Shape Bonded Neodymium Magnet

Bonded Neodymium magnets are manufactured through the compression process. This process involves mixing neodymium powder with epoxy as a binder and pressing it into a die cavity with no magnetic field, thus making these magnets Isotropic. Pressed parts are then placed into the oven for curing. Compression bonded neodymium magnets are an excellent choice over other magnet types (sintered neodymium, sintered samarium cobalt, and hard ferrites) that have limits to some shapes that compression bonded magnets do not have. With their high energy product reaching up to 12 MGOe it makes them ideal for many applications requiring high magnetic strength and tight tolerances. Since no magnetic field is applied during the compression the finished product can be magnetized in any direction. Having epoxy as a binder in the manufacturing process for compression bonded magnets makes the magnets resistant to most industrial automotive fluids. With relative low tooling cost and quick turnaround compression bonded neodymium magnets are the choice for a wide variety of applications. The final product can be epoxy coated for durability and more resistant to corrosion

Advantages Of Compression Bonded Magnets

1: Higher magnetic strength than injection molded magnet.

2: High corrosion resistance (Epoxy coating, parylene coating) and temperature resistance, the salt spray teasting >72 hours

3: Magnetizing with complex patterns (Multi-poles on OD, ID, end face (axial), radial, helical magnetization......)

4: Higher magnetic property (Br: 3500-8000G, BHmax: 3-12MGOe, Hcj: 4000-17000 Oe

5: Complicated shape

COMPRESSION MOLDED BONDED NEODYMIUM GRADES​
Grade Residual Induction Coercive Force Intrinsic Coercive Force Maximum Energy Product Density D Reversible Permeability Reversible Temp Coefficient A Max Operating Temp
Br T(KG) bHc KA/m (KOe) iHc KA/m (KOe) (BH)max KJ/m^3 (MGOe) g/cm^3 Br%/°C
BNP-2 300-400 160-240 440-600 19-26 5.6-6.0 1.2 -0.11 160
(3.0-4.0) (2.0-3.0) (5.5-7.5) (2.4-3.3)
BNP-3 400-510 216-280 504-680 24-32 5.6-6.0 1.2 -0.11 160
(4.0-5.1) (2.7-3.5) (6.3-8.5) (5.6-6.0)
BNP-4 460-520 224-288 504-680 30-35 5.6-6.0 1.2 -0.11 160
(4.6-5.2) (2.8-3.6) (6.3-8.5) (3.8-4.4)
BNP-5 470-550 240-360 520-680 37-44 5.6-6.0 1.2 -0.11 160
(4.7-5.5) (3.0-4.5) (6.5-8.5) (4.7-5.5)
BNP-6 550-650 320 - 376 (4.0 - 4.7) 600-720 44-52 5.6-6.0 1.2 -0.11 160
(5.5-6.5) (7.5-9.0) (5.5-6.5)
BNP-7 550-650 320-408 560-680 52-64 5.6-6.0 1.2 -0.11 160
(5.5-6.5) (4.0-5.1) (7.0-8.5) (6.5-8.0)
BNP-8 620-670 400-456 640-800 64-76 5.8-6.2 1.2 -0.11 160
(6.2-6.7) (5.0-5.7) (8.0-10.0) (8.0-9.5)
BNP-8A 620-680 400-480 1040-1280 65-73 5.8-6.1 1.2 -0.1 180
(6.2-6.8) (5.0-6.0) (13.0-16.0) (8.2-9.2)
BNP-9L 670-730 360-416 520-640 68-75 5.8-6.1 1.2 -0.11 120
(6.7-7.3) (4.5-5.2) (6.5-8.0) (8.6-9.4)
BNP-9 650-700 416-456 680-800 68-76 5.8-6.2 1.2 -0.12 160
(6.5-7.0) (5.2-5.7) (8.5-10.0) (8.5-9.5)
BNP-9H 650-700 432-488 920-1040 71-80 5.8-6.1 1.2 Product Tags:
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