SC-002
Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
Ring
Zinc
N48
Permanent
NdFeB Magnet
as Client Need
-20ºC ~ 80ºC
eastar
Carton
from35-52
China, Ningbo
8505111000
Product Description
Permanent Neodymium Ring Magnet
1. Ring magnet.
2. Zinc coating to protect the surface(Nickel, epoxy, silver, gold...optional.)
3. Used for electric motors, earphones, speakers...
1. Magnet: Neodymium magnet
2. Characteristics:
Super strong Br resident induction.
Excellent demagnetization resistance capability.
3. Surface Treatment Method:
Black Nickel, Chroming, Copper, Epoxy, Gold, Nickel, Nickel+Epoxy, Nickel+Sn, Passivation, Zinc, phosphating
4. Applications of Neodymium Magnets:
AC Motors, DC Motors, servo motors, step motors
Computer rigid disc drives
Magnetic Separators
Magnetic resonance imaging
Speakers & earphones
Medical care machines
1. Ring magnet.
2. Zinc coating to protect the surface(Nickel, epoxy, silver, gold...optional.)
3. Used for electric motors, earphones, speakers...
1. Magnet: Neodymium magnet
2. Characteristics:
Super strong Br resident induction.
Excellent demagnetization resistance capability.
3. Surface Treatment Method:
Black Nickel, Chroming, Copper, Epoxy, Gold, Nickel, Nickel+Epoxy, Nickel+Sn, Passivation, Zinc, phosphating
4. Applications of Neodymium Magnets:
AC Motors, DC Motors, servo motors, step motors
Computer rigid disc drives
Magnetic Separators
Magnetic resonance imaging
Speakers & earphones
Medical care machines
| Parameter | unit | Standard Data |
| Curie Temperature(Tc) | ºC | 310-380 |
| Maximum Operating Temperature(Tw) | ºC | 80-200 |
| Hardness | Hv | 620 |
| Electrical Resistivity | Ω.CM | 1.8X10-4 ~2.0X10-4 |
| Density(D) | g/cm3 | 7.5~7.65 |
| Recoil Permeability | µ rec | 1.05 |
| Magnetization Field Strength(Hs) | KOe | > 30 |
| KA/m | > 2400 | |
| Bending Strength | Mpa | 295~345 |
| Temp. Coefficient of Br (aBr) | %/ºC | -0.11~ -0.12 |
| Temp Coefficient of Hcj (aHcj) | %/ºC | -0.5~ -0.7 |
Test Equipment & Workshop
• Demagnetization Curves & Outgoing Inspection Report for each shipment.
Standard Packaging
• Vacuum packaging for all Neodymium magnets and Neodymium magetic assemblies.
• Shielding box and wooden box to protect the Neodymium magnets during shipping.
Shipping Methods
• Contract price with FedEx, DHL, UPS and TNT to minimum your shipping cost.
• Experienced shipping forwarder for Ocean and Air shipments.
