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Solid brass or just brass-coated? Here's how to actually tell the difference

2026-07-14

Many bathroom hardware items look exactly the same on the shelves - the same warm golden color, the same surface treatment. But one is made of pure brass, while the other has a zinc or iron base with a thin layer of brass coating on top. The degree of their age varies greatly, and the price difference is also very obvious.

Here is how you can determine what you have in your hands.

Pick it up and feel its weight.

Solid brass is significantly heavier when the volume is the same. If the faucet or towel rack feels light or hollow, it may not be solid brass. Components with a brass coating usually have an internal zinc alloy or stamped steel, both of which are lighter in weight. This is a quick preliminary check, and in most cases, it can effectively determine the material.

Try a magnet

Brass is not magnetic. If you place a small magnet close to the metal piece, if it can be attracted, it means the base is iron or steel, that is, the coating exists, rather than pure solid material. If the magnet cannot be attracted at all, it is a good sign, but it cannot completely rule out the zinc alloy core material either, because they are also not magnetic. However, through the magnetic test, you can immediately rule out a large number of counterfeits in just two seconds.

Check the edges, corners and worn areas

Brass-coated hardware items usually show wear on the edges and the areas with larger contact surfaces. You may see a different color inside, silver, gray, or slightly red. While solid brass products wear more evenly, they gradually form a natural oxide layer instead of peeling off or falling off. If you purchase second-hand items or inspect old objects, please carefully check the corner parts.

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