What is tempered glass screen protector?
When you buy a new smartphone by hundreds dollars, you may think about to install a screen protector. There are many kinds of screen protectors: PET film, TPU film, Tempered Glass Screen Protector.
Generally speaking, tempered glass based screen protector is 3x stronger than the normal PET films. You are definitely recommended to choose a tempered glass screen protector.
So what the Tempered Glass Screen Protector exactly is?
It is made by glass off course, which is just same with most glass: fragile and breakable! The raw glass is cutted into the sizes for different phone screen, drilled position for the earpiece, speaker, sensor, camera, etc, and then be polished. Then it will be put into the Toughened Equipment for at least 4 hours, which can strength the glass surface hardness up to 8-9H. It can easily resist the scratches from key, knives, and absorb the most shock impact.
The toughened glass will be laminated with special double face adhesives, which can glue the glass protector onto the phone screen.
You may find there are not only clear tempered glass screen protectors, but also privacy (anti spy) tempered glass screen protector, anti blue light/ray tempered glass screen protectors, anti UV light glass screen protector, luminous tempered glass screen protector, etc.
Those featured glass screen protectors just adopt with different special double face adhesives.
ZiFriend Tempered Glass Screen Protector also features with anti fingerprints and smudges. It’s easy to clean your phone screen.