This arc neodymium magnet is made of grade N45 NdFeB rare earth magnetic material under ISO 9001 quality systems. It is magnetized through thickness with North pole on the inner diameter. 10 pieces of this arc magnets can form a perfect circle with OD=32mm, ID=20mm and height=6mm.
- Materials: Sintered NdFeB, grade N45
- Gauss Rating: 13,800 gauss
- Hcb: 11.6 KOe
- Hcj: 12.00 KOe
- (BH)max: 46MGOe
- Working Temperature: 80 degree celcius or 176 Fahrenheit
- Pole Orientation: through thickness. The north pole is on the inner diameter
- Coating: Ni+Cu+Ni plated. the best coating available.
- All magnets are fragile and may break but if used properly it can last for a life time
- Keep it away from pacemakers and children under 5 years old