12 x 4 x 6mm Neodymium Ring Permanent Magnet N52 Ni

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12 x 4 x 6mm Neodymium Ring Permanent Magnet N52 Ni, Loundspeaker Magnetic Rings, Rare Earth Super Strong Sintered NdFeB Ring Magnet for Speaker Motor Sensor Rotor Craft Toy, Amazing Powerful Licensed Neodymium Permanent Magnets China Supplier

Ø 12 x 4 x 6mm Neodymium Ring Permanent Magnet N52 Ni Technical Specifications:
Item: NRN52-12-4-6
Grade: N52
Material: Neodymium (NdFeB)
Plating: Nickel
Shape: Ring
Dimension:
Outside Dia (D): 12 mm
Inner (d): 4 mm
Height (H): 6 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1430-1480 mT (14.3-14.8 kGs)
Energy Density (BH)max: 398-422 KJ/m³ (50-53 MGOe)
Coercivity Force (Hcb): ≥ 796 kA/m ( ≥ 10.0 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 876 kA/m ( ≥ 11 kOe)
Maximum Operation Temperature: 60 °C
Delivery Time: 14-35 days

Audio Speaker Permanent Neodymium NdFeB Magnet with High Performance ringmagnet
Detailed specifications:
1.Size: Custom-made according to your requirements.
2.Grade:All kind of grade with N35 – N52, 30M – 50M, 30H – 48H, 30SH – 45SH, 28UH – 40UH, 30EH – 35EH, 30AH – 33AH.
3.Performance: High flux, high coercive force, low temperature coefficient and low loss of irreversible.
4.Coating:Ni, Zn, NiCuNi, Epoxy,Nicu+Epoxy,NiCu+Sn,Passivation,Silver, Gold, Teflon,Everlube etc.
5.Application:Motor assemblies, Automobile,Wind Generator,MRI,Speaker,IT industry ,Sensor,Communication equipments , Scanner, Camera, Home appliance and so on.
6.Certificates: SGS, ISO9001:2000,ROHS
Why buy our Neodymium(NdFeB)magnet?
1 Original manufacture
2 All propertymade at your requirements
3 Low weight loss:HAST-2mg/cm3
4 No Dy or less Dy-low cost
5 Competitive price,stable quality,fast delivery,good service

Other applications: Machinery, audio/video and communication equipment,
Medical devic, office automation, magnetic separators, etc.
Grade of NdFeB magnet:
N35. N38. N40. N42. N45. N48. N50. N52 (max working temperature: 80° C)
N35m, n38m. N40m. N42m. N45m. N48m. (max working temperature: 100° C)
N35h, n38h. N40h. N42h. N45h. N48h (max working temperature: 120° C)
N33sh, n35sh, n38sh. N4s0h. N42sh (max working temperature: 150° C)
N28uh, n30uh, n33uh. N35uh. N38uh (max working temperature: 180° C)
N28eh, n30eh, n33eh. N35eh. N38eh (max working temperature: 200° C)
N28ah, n30ah, n33ah. N35ah (max working temperature: 230° C)