NdFeB Rare Earth Magnet Specification:
Part No.: HSNB-15-10-2-N42MNi
Magnetisation Grade: N42M
Material: Sintered Neodymium-Iron-Boron (Rare Earth NdFeB)
Plating / Coating: Nickel (Ni-Cu-Ni)
Magnet Shape: Block, Rectangular, Rectangle, Square
Magnet Size:
Total Length (L): 15 mm
Total Width (W): 10 mm
Total Thickness (T): 2 mm
Magnetisation Direction: Axial
Residual Magnetic Flux Density (Br): 1280-1320 mT (12.8-13.2 kGs)
Energy Density (BH)max: 318-342 KJ/m³ (40-43 MGOe)
Coercivity Force (Hcb): ≥ 955 kA/m ( ≥ 12.0 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 1114 kA/m ( ≥ 14 kOe)
Maximum Operation Temperature: 100 °C
Tolerance: ±0.05 mm
A “super magnet” is generally a slang term for neodymium magnets, the strongest permanent magnets known. It can also be a term for a powerful electromagnet, like the type used in hospitals for fMRI (functional magnetic resonance) imaging. Both magnets are much stronger than typical ferrite bar magnets, and can be a health danger for those wearing pacemakers. Neodymium magnets are also so strong that one can be hurt just by playing with large samples of them — the force they generate when coming together can be strong enough to pierce human skin. The cost of neodymium magnets is about $USD 44 (US Dollars) per kilogram ($97 USD per pound).
| Part No. | Magnet Dimensions | Neo Grade | Coating |
| HSNB-15-10-2-N35Ni | 15 x 10 x 2 mm | N35 | Nickel |
| HSNB-15-10-2-N38Zn | N38 | Zinc | |
| HSNB-15-10-2-N38Ni | N38 | Nickel | |
| HSNB-15-10-2-N38BE | N38 | Black Epoxy | |
| HSNB-15-10-2-N40Zn | N40 | Zinc | |
| HSNB-15-10-2-N40SHNi | N40SH | Nickel | |
| HSNB-15-10-2-N42Ni | N42 | Nickel | |
| HSNB-15-10-2-N42G | N42 | Golden | |
| HSNB-15-10-2-N42MNi | N42M | Nickel | |
| HSNB-15-10-2-N45Ni | N45 | Nickel | |
| HSNB-15-10-2-N45MNi | N45M | Nickel | |
| HSNB-15-10-2-N48Ni | N48 | Nickel | |
| HSNB-15-10-2-N48BE | N48 | Black Epoxy | |
| HSNB-15-10-2-N50G | N50 | Golden | |
| HSNB-15-10-2-N50Ni | N50 | Nickel | |
| HSNB-15-10-2-N52Ni | N52 | Nickel |
— Notice: HangSeng MagneTech can produce these magnets magnetized or non-magnetized, any plating, grade and direction according to customers’ requests.
Block Magnet Part No Explain
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