Product name: Internal hole flat magnet
Material: NdFeB 72/70pw permanent magnet
Manufacturing process: Molded magnet
Orientation: Isotropic magnet
Ingredients: praseodymium5%, neodymium15%, iron69%, boron 1%
Binder: epoxy resin 2.5%
Surface treatment: epoxy ED coating
Color: Black epoxy.
Residual induction Br: 660 mT (Min) 700 mT(TYP)
Coercive force Hcb: Hcb:440 kA/m (Min)
Intrinsic coercive forceHcj:700 kA/m (Min)
Max. energy product (BH)max: 72.0 KJ/m (Min)
Recoil Permeability1.2μH/M Temperature coefficient: 0.11 (%/℃)
Magnet density: 5.7-6.1g/cm3 Maximum operating temperature: 140℃
Magnetizing direction: outer diameter
Number of poles:Multi-pole/16-pole
Dimensions: Φ15.0*Φ10*7.45mm
General tolerance: ±0.05mm
Temperature and Humidity: 90℃RH60%500H
Salt spray test: neutral salt spray test 24H
Breaking strength: The minimum breaking strength of the magnetic ring is 30kgf
Magnet use: permanent magnet sensor, car sensor (when the outer diameter surface gap is 1mm, the magnetic field strength is a minimum of 150 mT)
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