Description
A Round Cap Neodymium magnet, also known as a circular magnet, is a high-strength rare earth magnet with a round shape. Made from a powerful neodymium-iron-boron (NdFeB) alloy, it delivers exceptional magnetic force in a compact form. This strong magnet is perfect for industrial, commercial, and home projects requiring reliable magnetic attachment.
| name | Product Specifications | SI | CGS |
|---|---|---|---|
| shape | |||
| Diameter | D | 48 mm | 4.8 cm |
| Diameter | d | 38 mm | 3.8 cm |
| High | H | 11.5 mm | 1.15 cm |
| High | h | 8.3 mm | 0.83 cm |
| Thickness | T | 3 mm | 0.3 cm |
| Magnetization Direction | M | Axial direction | |
| surface treatment | NiCuNi | 12 μm | - |
| Magnetic properties | |||
| Suction force/ adsorption force |
F | 81 kgf | 81000 gf |
| Maximum operating temperature | Tw | 80 °C | 176 °F |
| Material property | |||
| Material symbol | Cap Neodymium | 35 | |
| Residual magnetic flux density | Br | 1170-1220 mT | 11.7-12.2 kg |
| Coercive force | Hcb | ≧868 kA/m | ≧10.9 kOe |
| Intrinsic coercivity | Hcj | ≧955 kA/m | ≧12 kOe |
| Maximum Energy Product | BH | 263-287 kj/m3 | 33-36 MGOe |
| Temperature coefficient | Br | -0.12 %/℃ | 31.78 %/°F |
| Hcj | -0.55 %/℃ | 31.01 %/°F | |
| Heatproof temperature | Tw | ≦80 ℃ | <= 176 °F |
| Curie temperature | Tc | 310 ℃ | 590 °F |
| density | ρ | 7.5 kg/m3 | - |
| weight | Net | 0.14268 kg | 142.68 g |
| remarks | |||
| REACH RoHS Directive | |||
Warning
This product is not a toy and is unsuitable for children. Designed for scientific and industrial use, it contains strong Neodymium magnets that can be harmful if swallowed. These magnets are brittle and may chip or break upon impact. Handle with care. Please review the Warnings page before ordering.
