What is a sapphire mirror and what are its characteristics?
标签:sapphire watch case
2021-11-04 15:32:24
2021-11-04 15:32:24
The sapphire mirror is not made of natural sapphire. Instead, it uses fine alumina powder as the raw material to form a sapphire crystal block in a certain high temperature furnace. sapphire watch case，This kind of synthetic sapphire is generally used in watches. After countless processes, the pure sapphire crystal on the watch is made. Mirror surface, with high anti-wear and anti-corrosion effect. The hardness of the sapphire mirror is second only to that of diamonds and pickaxes, which is equivalent to seven times that of steel. Since the sapphire mirror, it has indeed brought a lot of convenience to everyone. However, due to its extremely high hardness and high density, it is fragile and easy to crack.
like：
上一篇:Children's t...
下一篇:What are the...
