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What Is A Tempered Glass Screen Protector And What It Does?

Screen Protectors have been around us for quiet a long time. Anyone who buys a smartphone also invests some amount of money in buying a screen protector. Basically a screen protector is a thin plastic film specially designed for your phone's screen, it protects the screen from scratches and fingerprints, however it does not interfere in the touchscreen operation. Today most smartphones are coming with a factory installed glass protector. Corning Gorilla Glass is the most common type of tempered glass that is the principal screen protector of many android, Windows phone and even iPhones. Corning Gorilla Glass is scratch-proof which provides protection from unwanted scratches on the screen, it has an Oleophobic coating over it which prevents fingerprints and acts as a repellent to many liquids.

tempered glass screen protector

Disadvantage Of Corning Gorilla Glass

The only disadvantage of Corning Gorilla Glass is that it is not shatter-proof. A powerful blow to the screen during a fall will break the glass leaving the screen unusable. Replacing this CGG panel on your phone is very expensive and is greatly dependent on the phone's price. So to prevent the Gorilla Glass of your phone's screen we use tempered glass, as the tempered glass screen protector itself acts as the protector of your phone's Gorilla Glass.

What Is Tempered Glass Screen Protector

A Tempered or Toughened glass screen protector is kind of thin glass which is used to protect the Gorilla Glass of your phone from breaking. This tempered glass is multi-layered screen protector fused together in a single glass sheet of 0.4-0.5 mm thickness. It has a bottom layer of absorbent silicon, PET film and an optically clear adhesive tempered glass and oleophobic coating in that order.The front part of the TG screen protector also has an oleophobic coating to prevent scratches and oily smudges. The TG is 4-5 harder then a normal plain glass of same size and thickness.

What Does Tempered Glass Screen Protector Do?

Basically it is used to protect the Corning Gorilla Glass of your phone's screen from breaking. If your phone falls then it may get a powerful blow to the screen, in this case the Tempered Glass will absorb all the energy from the impact and may break into smaller granular pieces. This TG screen protector breaks itself to protect the CGG of your phone, because it is easy and affordable to replace a broken TG screen guard rather than broken  Corning Gorilla Glass screen which is much more expensive.

Is It Worth Buying A Tempered Glass Screen Protector For My Phone

Yes, it is worth the amount you spend, since it serves the purpose of protecting the Corning Gorilla Glass from shattering. I recommend this to everybody who have android smartphones, iPhones with CGG display since replacing a TGSP is much easier and affordable than a broken CGG display which is very expensive.

Plastic Vs Tempered Glass Screen Protectors

Plastic SGs are no more than a thin plastic film of just 0.1 mm thickness. These plastic films does not provide any protection for the CGG on your phone. Whether you install it or not means the same thing. These plastics SGs were suitable for resistive touchscreens without CGG. On the other hand, toughened glass screen protector acts as a shield for your phone's screen. It is much more reliable and durable than plastic SGs and in most cases it survives without breaking.

Advantages Of Tempered Glass Screen Protectors

  • Protects the original Gorilla Glass of any smartphone from breaking.
  • They are scratch-proof, having a hardness rating of 9H which means it cannot be scratched with any material having hardness rating less than 9.
  • Depending on the impact they may or may not break, but will protect the phone's screen from shattering. See the image below showing broken tempered glass screen protector but the CGG display is intact.

    broken tempered glass screen protector
  • Easy to replace and are affordable.
  • Doesn't interfere with touchscreen's sensitivity and are totally transparent.
  • Easy to clean, only needs to be wiped with a dry piece of cloth to remove fingerprints and smudges.

If you have any doubts then you can clear them by posting a comment. Now read how to install tempered glass screen protector.

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