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Neodymium Ring Magnet 20x4.2x5 Thick N38
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• outer diameter: 20 mm (±0.1 mm)
• inner diameter: 4.2 mm (±0.1 mm)
• height: 5 mm (±0.1 mm)
• weight of the magnet: ~11.3 g
• material: Neodym NdFeB
• direction of magnetisation: axial, along the height
• max. working temperature: 80oC.
• coating: Ni + Cu + Ni
• strength: ~6 kg
• remanence Br: 1.22-1.25 [T]; 12.2-12.5 [kGs]
• coercivity Hcb: ≥899 [kA/m]; ≥11.3[kOe]
• coercivity HcJ: ≥955 [kA/m]; ≥12 [kOe]
• energy density (BH) max: ≥287-310 [kJ/m3]; 36-39 [MGOe]
• magnetic induction on the surface of the magnet is: ~0.338 [T]
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