How tempered glass screen protectors are made?

Tempered glass screen protectors are now widely available for a huge variety of smart devices and other electronics.

We use them to protect our screens from scratches and damage, but have you ever wondered how tempered glass screen protectors are made?

Did you know that limestone, soda and sand are among the main ingredients used to produce the thin glass?

Check out the video below where an entire process of how tempered glass screen protectors are manufactured is shown:

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