Neodymium Magnets are really Strong Magnets made by an alloy of neodymium, iron and boron (NdFeB). Neodymium is a rare-earth element (REE), also called rare-earth metal or (in context) rare-earth oxide. Even at their smallest size Neodymium Magnets have a Really High Magnetic Strength. But….
Neodymium Magnets are the strongest commercially available Magnets. Their adhesive force is way stronger than other Magnets like Ferrite ones. But even among Neodymium Magnets there are different levels of strength, represented by their Grade.
This Grade is specified by a number (usually from 35 to 52) that represents the Magnetic Strength of the Neodymium Magnet, which is linked to the magnetic flux output per unit of volume. Higher values mean stronger magnets. For reference, a small N45 3 x 2mm Neodymium disc has a strength of attraction of 0,18 Kg, whereas a N48 has 0,25 Kg (39% more !!!).
Have a look at this simple chart with the adhesive force of magnets with different sizes, grades and materials:
A Neodymium Magnet is on average 7-12 times stronger than a Ferrite Magnet of the same size. This depends on the grade of the neodymium magnet (from the standard N35 to the strongest N54), its shape and size.
On our Website you can find and purchase all kinds of Neodymium Magnets at Best Prices! Have a look at our products range!