27 x 21 x 3mm Wholesale NdFeB Magnet Ring N40 Ni

27 x 21 x 3mm Wholesale NdFeB Magnet Ring N40 Ni, Rare Earth Super Strong Licensed Sintered Neodymium Ring Magnet for Speaker Motor Sensor Rotor Craft Toy, Amazing Powerful Loundspeaker NdFeB Permanent Magnets China Wholesaler

Ø 27 x 21 x 3mm Wholesale NdFeB Magnet Ring N40 Ni Technical Specifications:
Item: NRN40-27-21-3
Grade: N40
Material: Neodymium (NdFeB)
Plating: Nickel
Shape: Ring
Dimension:
Outside Dia (D): 27 mm
Inner (d):  21 mm
Height (H): 3 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1250-1280 mT (12.5-12.8 kGs)
Energy Density (BH)max: 302-326 KJ/m³ (38-41 MGOe)
Coercivity Force (Hcb): ≥ 907 kA/m ( ≥ 11.4 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days

Competitive Permanent Neodymium NdFeB Magnet with High Performance
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
About us:
MPCO was founded in 2008,as a professional manufacturer and exporter,we are specialized in designing and producing of rare earth magnet ,especially for sintered and bonded NdFeB magnets. Currently we mass produce N52,50M,48H,45SH, 40UH, 38EH , 33AH and other grade of sintered NdFeB magnet.They are widely used in Automobile, Wind Power, Servo and so on. Our factory is located in Ningbo ,Where is the industrial bases of Ndfeb magnet.

Buy Neodymium magnets (NdFeB magnets) ring permanent ndfeb magnets
Neodymium Magnets (NdFeB magnets) are the Strongest magnets available
Our China stocked Neodymium Magnets (NdFeB magnets) help give maximum performance from minimum size
Neodymium Magnets (NdFeB magnets) are usually NICKEL (Ni or NiCuNi) plated unless stated or requested otherwise
Neodymium magnets (NdFeB) have a maximum operating temperature of 80 °C for standard grades (Nxx e.g. N35, N42, etc), more for higher Hci grade types e.g.100 °C for NxxM, 120 °C for NxxH, 150 °C for NxxSH, 180 °C for NxxUH, 200 °C for NxxEH and 220/230 °C for NxxAH/VH
We can produce and supply Neodymium Magnets (NdFeB magnets) to nearly any grade, coating and shape upon request – contact us a quote!