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- Will zinc die cast metal stick to a magnet?
No, zinc die cast metal does not stick to a magnet.
Zinc die casting typically uses alloys like Zamak (e.g., Zamak 3, the most common), which are primarily zinc (~96%) with small amounts of aluminum, magnesium, and copper.
These are non-ferrous alloys without iron or other ferromagnetic elements.Zinc and its die casting alloys are diamagnetic, meaning they are weakly repelled by magnetic fields rather than attracted. Pure zinc has no unpaired electrons in its atomic structure, so it exhibits no ferromagnetic or paramagnetic properties strong enough for attraction to a typical magnet.
In everyday scenarios (e.g., with a refrigerator magnet or neodymium magnet), zinc die cast parts like door handles, hardware, or automotive components will not stick. If a part appears magnetic, it's likely due to attached steel components (e.g., inserts or fasteners) or impurities, not the zinc alloy itself.This non-magnetic property is advantageous in applications like electronics, where it avoids interference with magnetic fields.