Brass is an alloy made by mixing copper and zinc, and when it contains 20% zinc it is called brass. Due to its high strength and durability, it is used in a variety of everyday situations, such as 5-yen coins, accessories, brass instruments, fittings, and Buddhist altar fittings.
The great appeal of brass is that it has a soft, unique golden color that combines a vintage feel with an elegant texture. Some people are attracted to the charm of brass and choose to use it for accessories, interior decoration, tableware, cutlery, and more.
Brass is known as a material that can be enjoyed as it ages, as its color and texture change over time. However, some changes include surface darkening and blue-green rust (patina) due to oxidation.
In order to use brass for a long time, be aware of the causes of aging and patina.
What is the aging of brass?
Changes over time are also called "aging" and occur when the surface of brass oxidizes.
When it comes in contact with human hands or air, the surface gradually changes to a deeper color due to oxidation. Aging of brass refers to the change in surface color due to this oxidation. The color slowly changes over time when it comes into contact with the air or people's hands, starting out as a golden yellow like yellow gold, then turning into a candy color, then changing to a deep brown, and finally turning into an ink color. It will turn black.
One of the reasons why brass has been loved is not only because you can enjoy the change in color, but also because it develops a soft and unique texture over the years of use.
Reasons why patina occurs
Although brass is resistant to corrosion, it can develop a greenish rust called rokusho due to the effects of sweat and moisture. This is copper rust that occurs when the copper contained in brass oxidizes. In particular, brass accessories and tableware often come into direct contact with sweat and moisture, so they often develop a patina after use.
If you wear brass products such as accessories, the color may reflect on your skin or clothes, so we recommend cleaning them as soon as possible. The patina itself is non-toxic and harmless, but cutlery and tableware are meant to be put directly into the mouth, so please be careful how you store them and clean them immediately if patina appears.
Also, be careful when using it with highly acidic foods, tea, coffee, etc. as it may cause discoloration.
As mentioned above, brass is sensitive to moisture, so be sure to wipe brass accessories, tableware, and cutlery frequently to remove moisture. Also, when storing it, we recommend storing it in a zippered bag to prevent air from coming into contact with it, and storing it in a dry place.
The patina that forms on brass has little effect on the human body, but it is difficult to remove if it transfers to clothing, so we recommend cleaning it as soon as possible. In addition to polishing using a special cream, you can also easily remove blackheads using vinegar, citric acid, or baking soda.
The aging of brass is also referred to as ``aging.'' As the brass oxidizes, the original golden shine on the surface becomes dull and the color gradually changes from amber to deep brown, and finally to ink black. It refers to change.
Although brass is highly durable and resistant to corrosion, it can develop a patina on its surface due to sweat and moisture. It requires care to keep it in good condition for a long time. Be careful not to leave moisture in it and store it in a dry place.
At Konohino Tools Store, we produce brass tableware and cutlery.
The concept of ``Growing Cutlery'' was born from the desire to enjoy the aging charm of brass in everyday life. Brass changes in different ways depending on how it is handled. By making the cutlery and tableware you use every day made of brass, you can enjoy aging in your own way.
Brass tableware and cutlery, which make this day special as you spend your days together, are perfect gifts for your loved ones and those who have taken care of you.
You can view the works of Konohino Dogu Store from the homepage.