15 x 8 x 6mm Rare Earth Ring Neo Magnet N50 Ni

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15 x 8 x 6mm Rare Earth Ring Neo Magnet N50 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 15 x 8 x 6mm Rare Earth Ring Neo Magnet N50 Ni Technical Specifications:
Item: NRN50-15-8-6
Grade: N50
Material: Neodymium (NdFeB)
Plating: Nickel
Shape: Ring
Dimension:
Outside Dia (D): 15 mm
Inner (d): 8 mm
Height (H): 6 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1400-1450 mT (14.0-14.5 kGs)
Energy Density (BH)max: 382-406 KJ/m³ (48-51 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, High Performance neodymium ndfeb diametral ring magnet
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

NdFeB (Neodymium Iron Boron, Neo) Coating and Plating Options available (examples – more may be possible):-
Nickel-Copper-Nickel (Ni-Cu-Ni) [standard coating], Everlube (6102G), Nickel (Ni), Zinc (Zn), Nickel-Copper plus Black Nickel, White Zinc, Black Zinc, Epoxy (Black), Epoxy (Grey), Copper (NiCu), Copper (NiCuNiCu), Tin (Sn), Gold (Au) [this is actually NiCuNi plus Gold], Ni-Cu-Ni plus Rubber, Zn plus Rubber, Zinc Chromate, Silver (Ag) [this is actually NiCuNi plus Silver], Parylene C, Ni-Cu-Ni plus Parylene C, Ni-Cu-Ni-Au-ParyleneC, Phosphate Passivation, PTFE (“Teflon®”) in white, PTFE (“Teflon®”) in silvery, PTFE (“Teflon®”) in grey, PTFE (“Teflon®”) in black, Titanium (Ti) , Titanium Nitride (TiN), Chrome (bright/standard), Chrome (black), Ni-Cu-Ni plus Everlube, Ni-Cu-Ni plus Epoxy, Ni-Cu-Ni plus PTFE, Zn plus Everlube, Tin (Sn) plus Parylene C, Rhodium, Potted (various), Coloured (red, green, blue, pink, purple, etc), Painted (various), Adhesive / Silicone Seal (assemblies), Potted (various – assemblies), Uncoated (bare – recommend vacuum packing as well), Plastic encased (this fits around pre-coated magnets to give additional protection and is not hermetic). Other coatings may be possible – please let us know your requirements.