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adhesive neodymium magnets

Neodymium (Rare Earth) NdFeB Self-Adhesive Disc Magnets

All magnets are born equal. Neodymium magnets are a permanent type of rare earth magnet made from neodymium, iron, boron and other transition elements. These are the strongest permanent magnets on the market today. Neodymium magnets have many uses, from a variety of industrial applications to an unlimited number of personal projects. They can be used to make motors, alternators and actuators, and are also great for crafts, school experiments and DIY work. They can be used for almost any light, medium or heavy duty project that requires extra strong pulling power.

Neodymium (rare earth) or NdFeB self-adhesive disc magnets are round coin shaped magnets with different diameters and thicknesses and have an adhesive backing layer on one pole. The adhesive layer is a 3M adhesive with a protective backing - simply remove the protective backing and press the adhesive backed neodymium magnet onto the item you are attaching. The adhesive layer is placed on a magnetic pole. Thus, the self-adhesive NdFeB disc magnet described as North has a visible magnetic North Pole, while the magnetic South Pole has an adhesive backing. The South self-adhesive backed neodymium magnet has a visible magnetic south pole and the magnetic north pole has an adhesive backing. Read more about neodymium materials. 

adhesive neodymium magnets

Using self-adhesive magnets to attract ferromagnetic surfaces

When using magnets to attract ferromagnetic surfaces such as mild steel, you can use any of the NdFeB backed disc magnets (you can use all South or all North, or even a combination - it doesn't matter). Sometimes, if the magnets are close enough to each other, you may consider using alternate north and south orientations, as this may improve performance slightly (as the magnets interact in a positive way, attracting and pulling on each other's fields).

The north version of the neodymium self-adhesive magnets will have the same performance as the south version of the sticky disc magnets of the same size. The neodymium magnets will either attract or repel each other, depending on how the magnets are placed relative to each other. For attraction, you need the north pole side on one magnet to point towards the south pole side on the other magnet (following the magnetic rule of opposite-pole attraction). If one north faces the other north or one south faces the other south, then you have similar poles, which means repulsion.

In some applications, the magnets are hidden (for example, magnets are adhered to a card and then the card is folded to hide the magnets, resulting in the poles being flipped as well). Therefore, knowing how you want the magnets to be placed in the final assembly may affect the polarity of the magnets you require. These NdFeB self-adhesive backed disc magnets are popular in the printing, packaging, folder sealing and craft industries as well as in the office and home for simple DIY applications such as door closures. NdFeB self-adhesive disc magnets are axially magnetised (the thickness of the disc is the distance between the north and south polar planes - the magnet is magnetised along the central axis). We also offer non-adhesive back-side neodymium discs. 

These neodymium magnets are super strong in size and 3M brand 486 adhesive provides a strong, permanent connection between smooth, non-magnetic surfaces such as wood, walls, metal and plastic. The adhesive also supports the weight of the magnet itself plus the item it holds. 3M adhesives are a long-term solution and are highly resistant to UV light, temperature degradation and ageing. Nickel-plated neodymium is highly resistant to corrosion and demagnetisation.

Self-adhesive neodymium magnets are available from AH Online. These powerful rare earth magnets combine strong magnetic strength with an easy-to-use peel-off tape on the back to hold the magnet in place on a variety of compatible surfaces such as wood, slate, aluminium, steel or plastic. These self-adhesive magnets are available in different sizes and are perfect for displaying banners and signs in your warehouse, office, school or home. You may also be interested in our self-adhesive magnetic tapes and strips.

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