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Zinc Rare Earth Magnet Neodymium Ring

Neodymium Ring Magnet OD52.5 x ID47.5 x 4.8mm
High Quality Neodymium Ring Rare Earth Magnet For Sound Devices.

Magnet Material:                    NdFeB or Neodymium Iron Boron

Magnet shape:                        Ring

Magnet grade:                        35SH

Outer  diameter:                     52.5mm

Inner diameter:                       47.5mm

Thickness:                               4.8mm

Tolerance:                                +/-0.1mm (0.004”)

Zinc Plated

Operating Temp(Max).:

Direction of magnetization: 
Magnetized through thickness

Other size and grade are available on request
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Rare Earth Loudspeaker Magnets 35SH OD52.5 x ID47.5 x 4.8mm

Material type:

Material composition:                     Nd2Fe14B

Remanence (Br):                             11.6– 12.2

Coercive force(Hcb):                      10.6KOe

Intrinsic Coercive Force( Hci ) :     20.0KOe

Max Energy (BH)max:                     33 – 36MGOe

Max working temp. :                      150℃

Curie Point (Max). :                        302℉

Density :                                         7.4~7.6g/cm3

➤ Zinc Coated Ring Magnet  OD52.5x ID47.5x4.8mm  Axially Magnetized

Axially Magnetized

➤ Other Options For Neodymium Ring Magnet.
Diametrically Magnetized

Multi-poles Axially