What is Gorilla Glass?

Corning Gorilla Glass.

by Alex Gustman

Updated: April 16, 2021

The screens of most modern smartphones and tablets are covered with tempered glass, which provides resistance to scratches and cracks. The most famous brand of tempered glass is Gorilla Glass. Here you will learn about the features, characteristics, and technologies used in the manufacture of glasses Gorilla Glass.

Corning Gorilla Glass

Gorilla Glass is the commercial name for chemically hardened glass, developed by Corning. Glass is characterized by high resistance to mechanical stress and is used in the manufacture of mobile devices. Corning Gorilla is not produced as an accessory for additional protection of the screen of your smartphone. Gorilla Glass is installed on some smartphone models only in their production. If you want to install a tempered glass screen protector, you should look for Gorilla Glass analogs.

Gorilla Glass manufacturing technology

Products under the Gorilla Glass brand are obtained after chemical treatment by being immersed in an ion-exchange bath.

When a certain temperature is reached, a displacement reaction of sodium ions with potassium ions takes place on the glass surface. And since potassium ions are larger than sodium ions, there is a compression over the entire surface of the glass that increases its mechanical properties.

Motorola G6 with Corning Gorilla Glass
Motorola G6 with Corning Gorilla Glass

Features of Gorilla Glass

Thanks to manufacturing technology, chemically hardened glass has several features:

  • Increased strength. Glass absorbs up to 8 times more mechanical energy than ordinary glass.
  • Increased resistance to wear and tear. The surface is less prone to minor scratches.
  • Resistant to temperature changes. Temperature fluctuations have no destructive effect.
  • No sharp fragments in case of glass breakage. If the glass breaks, the fragments are not so sharp, which reduces the chance of injury.

Thanks to the technologies used in the manufacture of Gorilla Glass, the screen of your smartphone can withstand a stronger impact as a result of dropping the device on a hard surface. But keep in mind that it has a certain margin of safety and less protected edges. That’s why the screen with Corning Gorilla is not shatterproof, and sharp objects can also scratch it.

Specifications of Corning Gorilla

With the discovery of new methods to improve all major product features, Corning is releasing a new generation of Gorilla Glass. Today it is Gorilla Glass 6. The chemical composition of each generation is not disclosed. The company only talks about the main advantages of the new generation of products compared to the previous generation. All improvements are aimed at increasing strength and reducing the thickness without losing the advantages.

First Generation

The first generation of Gorilla Glass was 1.5 mm thick. Corning Gorilla did not need a protective film compared to the plastic screens of most phones of that time.

Second Generation

Improvements in manufacturing technology allowed Corning to reduce the thickness of Gorilla Glass 2 by 20%. At the same time, the reduction in glass thickness has not affected its strength.

Third Generation

New achievements in production technology allowed Corning to increase the load resistance of Gorilla Glass 3 by three times compared to its predecessor up to 150 kg. It also achieved a 35% reduction in the formation of scratches on the screen surface.

Gorilla Glass 4

In this generation, the glass strength has doubled compared to aluminosilicate glass. And laboratory tests showed that Corning Gorilla 4 remained intact in 80% of cases from impact when the glass fell. The glass thickness was reduced to 0.4 mm without loss of strength characteristics relative to its predecessors.

Gorilla Glass 5

In 80% of cases, fifth-generation remained undamaged when dropped from a height of up to 1.5 meters.

Gorilla Glass 6

The sixth-generation glass is even stronger, allowing the sixth generation to withstand a series of successive drops to the floor from a distance of up to one meter.

Beginning with fourth generation, Corning’s engineers focused on increasing the fall resistance of glass. As for glass hardness, the maximum hardness is 7 points on a 10-point Mohs scale.

Where is Corning Glasses used?

Usually, Gorilla Glass is used in smartphone screens, watches, bracelets, and other hardware. Most often, it is used to protect the screen and main camera. 

Corning products are installed in almost every flagship of the renowned smartphone manufacturer, which inspires confidence in a potential buyer when choosing a particular phone model. 

Corning products are installed in almost every flagship of renowned smartphone manufacturers, which inspires confidence in a potential buyer when choosing a particular phone model. 

Conclusion

The article describes in detail what Gorilla Glass is. Corning products are used mainly in smartphones, fitness bracelets, watches, so the screens of these devices can withstand a stronger impact. But Corning products are not indestructible; it can crash when the device falls. 

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About the author 

Alex Gustman


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