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B&Q£11.99Visit shop - 9.52mm X 9.52mm X 6.35mm Thick N42 Neodymium Magnet3.6Kg PullLicensed Material (Pack Of 5)
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This guide is for hobbyists, creators, engineers, and manufacturers seeking high-strength, compact magnetic solutions. The key benefit is the exceptional holding power and durability offered by these N42 grade Neodymium magnets. A caveat to consider is their potent magnetic force, requiring careful handling. These magnets feature a triple coating for corrosion resistance and are ideal for diverse applications ranging from intricate model building to robust engineering tasks.
| Model Part Number | N42 |
|---|---|
| Brand | FIRST4MAGNETS |
'N42' refers to the grade of the Neodymium magnet. The 'N' stands for Neodymium, and the number '42' indicates the material's maximum energy product, a measure of its magnetic strength. Higher numbers signify stronger magnets.
Always handle them with care, keeping them away from fingers, skin, and eyes. Slide magnets apart rather than pulling them directly. Use a barrier like cardboard or wood when separating them. Keep them away from children and pets.
These magnets have a triple coating of nickel, copper, and nickel again (Ni-Cu-Ni) specifically to prevent against corrosion and rust. However, prolonged exposure to harsh environments or damage to the coating can eventually lead to degradation.
The maximum operating temperature for N42 grade Neodymium magnets is typically around 80°C (176°F). Exceeding this temperature can lead to irreversible loss of magnetic strength.
While the triple coating offers good corrosion resistance, prolonged exposure to moisture and elements may eventually impact the coating and magnet. For extreme outdoor use, consider magnets with specialized coatings or enclosures.
Store magnets in a cool, dry place, separated by non-magnetic material like plastic or cardboard to prevent them from attracting each other and potentially chipping or becoming damaged. Keep them away from electronic devices.
They are commonly used in model making, theatre design, furniture, exhibition stands, packaging, engineering, and manufacturing where small size and maximum strength are required. They can also be used for creating damping effects when repelling.
Ensure the magnet is making direct contact with a clean ferrous surface. Check that the surface is not coated with paint or plastic that reduces magnetic contact. Verify the object being attracted is sufficiently ferrous.
This can occur if magnets are allowed to slam together. Handle with extreme care. Broken pieces can still be magnetic but may have sharp edges. Dispose of broken magnets safely.
Neodymium magnets are generally resistant to demagnetization. Ensure the magnet has not been exposed to high temperatures (above 80°C or 176°F) or subjected to strong opposing magnetic fields, which could weaken it.
Setup: Due to their strong magnetic pull, handle these magnets with care. Avoid letting them snap together forcefully, as this can cause them to chip or shatter. Keep them away from sensitive electronic devices, magnetic media, and credit cards.
Compatibility: These magnets are compatible with a wide range of materials, including ferrous metals (iron, nickel, cobalt). They can be embedded in wood, plastic, or resin for custom creations. Ensure the surface they attach to is clean and free of debris for maximum holding power.
Care: Clean the magnets with a dry or slightly damp cloth. Avoid using abrasive cleaners or submerging them in water, as this can damage the coating. Store magnets separately or with plastic or cardboard barriers between them to prevent them from attracting each other. For long-term storage, keep them in a cool, dry place away from direct sunlight and sources of heat.
