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Permanent Bonded Neodymium Magnet

Zhu Zhou Summit New Material Co. Ltd

Permanent Bonded Neodymium Magnet

Place of Origin : Zhuzhou China (Mainland)

Brand Name : Summit

Certification : SGS

MOQ : 100

Price : 0.058/pc

Packaging Details : Carton

Delivery Time : 7-10 working days

Payment Terms : T/T

Supply Ability : 500t/a

Type : Permanent

Composite : Rare Earth Magnet

Shape : ring

Application : Moto Magnet

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Product description

Bonded NdFeB magnet are compound from magquench powder with adhesive and coated with special paint which is popular in various motors produced in developed countries.Customers' special requirements of different magnetic properties can be also achieved by adjusting the ingredients and compositions of the powder material.


Application

Bonded NdFeB magnet are most applicable in mirco-motors used in computer and its peripheral apparatus,OA,digital product,high grade domestic appliances and automobiles,such as spindle motor for HDD,FDD,CD/DVD-ROM,linear motor,vibration motor,stepping motor,servo motor,transducers etc.


Grade and properties of bonded NdFeB

Grade
Item
HT-N8 HT-N8L HT-N8H HT-N10 HT-N10H HT-N10S HT-N12 HT-N12S
Residual Induction Br MT 600-650 600-650 600-650 650-700 620-680 700-750 700-750 750-800
kGS 6.0-6.5 6.0-6.5 6.0-6.5 6.5-7.0 6.2-6.8 7.0-7.5 7.0-7.5 7.5-8.0
Intrinsic coercivity Hci kA/m 635-795 1035-1350 875-1115 635-795 915-1075 515-635 715-875 475-595
kOe 8.0-10.0 13.0-17.0 11.0-14.0 8.0-10.0 11.5-13.5 6.5-8.5 9.0-11.0 6.0-7.5
Coercivity Hcb kA/m 360-440 400-480 400-480 400-480 400-480 360-440 440-520 400-480
kOe 4.5-5.5 5.0-6.0 5.0-6.0 5.0-6.0 5.0-6.0 4.5-5.5 5.5-6.5 5.0-6.0
Max.Energy Product (BH)m kJ/m³ 60-68 60-68 60-68 68-80 68-80 76-84 80-95 84-95
MGOe 7.5-8.5 7.5-8.5 7.5-8.5 8.5-10.0 8.5-10.0 9.5-10.5 10.0-12.0 10.5-12
HK Hk kA/m 175-285 225-335 225-335 190-300 240-350 145-255 210-320 145-255
kOe 2.2-3.6 2.8-4.2 2.8-4.6 2.4-3.8 3.0-4.4 1.8-3.2 2.6-4.0 1.8-3.2
Saturation Magnetizing Force Hs kA/m ≥1600 ≥2000 ≥1600 ≥1600 ≥1600 ≥1600 ≥1600 ≥1600
kOe ≥20 ≥25 ≥20 ≥20 ≥20 ≥20 ≥20 ≥20
Curie Temp. Tc ºC 305 305 305 360 305 325 360 345
Max. Working Temp. Tw ºC 120-160 120-160 140-180 120-160 140-180 120-160 120-160 90-130
Temp. Coefficient of Br(100ºC) α(Br) %/ºC -0.12 -0.12 -0.13 -0.11 -0.13 -0.11 -0.11 -0.08
Density ρ g/cm³ 5.8-6.1 5.8-6.1 5.8-6.1 5.9-6.2 5.9-5.2 6.0-6.3 6.0-6.3 6.0-6.3


Notes
1.The properties given above are typical data at room temperature(25±3ºC).
2.Because bonded magnets are so versatile,this is just a dominant grade table.The magnetic properties can be adjusted to achieve customer's special request.
3.The Max. Working temperature is subject to specific application,type of magnet,and magnet geometry.


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