What is the difference between copper and brass? Is brass or copper better for tableware?

There are many types of copper, among which red copper and brass are very common, and copper is also a very popular decorative item nowadays. Whether it is a high-end hotel or their own villa, many people will buy some copper. Ornaments. But we need to know that there is a big difference between copper and brass. They are different things, but many people don't know how to distinguish them. So let me introduce the difference between copper and brass? Is brass or copper better for tableware?

The difference between copper and brass

The difference between copper and brass lies in the appearance, composition, strength and density:

1. Appearance The difference:

The color of copper is rose red, and the color of brass is generally golden yellow.

2. Differences in composition:

The main component of red copper is copper, but the components of brass include copper and zinc.

3. Differences in strength:

The main component of red copper is copper, with basically no other impurities. Therefore, the strength of red copper is relatively low, and the composition of brass There are more, so the strength of brass is generally higher.

4. Difference in density:

The density of copper is 8.9-8.95, and the density of brass is 8.52-8.62. Copper is a purple-red shiny metal. Because it is rose red and the oxide film forms on the surface, it turns purple, so it is called copper. Brass is an alloy composed of zinc and copper. Brass generally composed of zinc and copper is called ordinary brass, and brass composed of two or more elements is called special brass.

Whether brass or copper is better for tableware

Brass is used to make copper tableware. Copper ions have super strong sterilization and disinfection capabilities. Many stubborn viruses will be wiped out when encountering copper ions. For example, the end of the E. coli virus epidemic in Europe in 2011 was attributed to copper tableware. Red copper is industrial pure copper, which is neither wear-resistant nor corrosion-resistant, so it is not suitable for tableware.

So far, the earliest copper products found in the world are mainly in West Asia, such as the Zawachimi area of ??Iraq. Copper decorations were found from about 10,000 BC to 9,000 BC. Years; copper ornaments have also been found in the Alikash region of western Iran, dating from the 9th to the 7th millennium BC.

Bronze needles and copper cones were unearthed from the Cayoni site in southern Turkey, dating to approximately 8,000 BC. These copper products are all made from natural red copper, not copper obtained by smelting ore.