Neodymium Disc Magnet - 22mm x 20mm | N45
Product code: D-D22H20-N45
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Neodymium Disc Magnet - 22mm x 20mm | N45
Magnetic Product Description:
This neodymium magnetic disc has a diameter of 22mm and a height of 20mm. It has a magnetic flux reading of 6002 Gauss and a pull force of 20.83 kilos. It is identified by the AMF magnet part number D-D22H20-N45.
Uses for our strong rare earth disc magnets:
Magnets made with powerful Neodymium material are the strongest available. This small but extremely strong Neodymium disc has the ability to support weights up to 20kg under ideal conditions. Disc-shaped magnets have advantages that other magnet shapes do not share. The flat, round pole surfaces offer a large area of contact with ferrous materials and metal surfaces. This creates a secure bond that is not easy to break unintentionally. This type of magnet is suited to holding purposes that can include magnetic attachment of paperwork or signage to metal or, by using two correctly aligned magnets, making a bond between two non-metallic materials. The latter option can be done discreetly, with few if any visual signs of the method of attachment. This feature appeals to theatre costume designers, filmmakers and even illusionists as well as many others in the arts and entertainment sector. Disc-shaped magnets are slim and unobtrusive by nature and that makes them the ideal adhesive choice for applications where appearance and styling are important.
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NB: Ranges are indicative for product category, please check individual products for specic values within that range.
The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.
Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.
Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.
