What is Sapphire glass on phones?

Sapphire glass is considered an essential feature for devices needing maximum protection against potential scratches. So what is Sapphire glass and why is it so popular?

What is Sapphire glass?

Sapphire glass is formed from aluminum oxide (Al2O3) powder through the Verneuil process to create Sapphire blocks. The hardness of sapphire glass ranks 9 on the Mohs scale. The only naturally occurring stone harder than sapphire and capable of scratching it is diamond.

What are the advantages of Sapphire glass?

Sapphire glass boasts high corrosion resistance and extremely good scratch resistance.

Its exceptional clarity contributes to devices having higher brightness and providing a more lifelike image experience.

What are the drawbacks of Sapphire glass?

Sapphire glass, delicate yet sturdy, can withstand minor impacts but isn't impervious to scratches. Hence, it's not a guarantee against all scratches and damages, as it also depends on its thickness and other factors.

Moreover, due to its high cost, Sapphire glass is typically reserved for high-end products.

Common applications of Sapphire glass

In the realm of smartphones, Sapphire glass is often used to protect the cameras of expensive devices.

In the realm of wearable devices, Apple took the lead in using Sapphire glass since the second generation of the Apple Watch.

Overall, Sapphire glass is considered one of the best protective glasses available today, although its price remains a barrier for many to access.

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