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March 15, 2020

The Different Types of Auto Glass

Posted by Mariios on March 15, 2020

The glass used in the windshield of your car is very different than the glass used in the windows of your home.

When the glass used in the windows of your home breaks, it shatters into extremely sharp and dangerous shards.

When windshield break it stays intact and is actually quite harmless.

Auto glass is either tempered or laminated.

The glass usually used for driver door glass and passenger door glass are made from tempered glass, the windshield is made from laminated glass.

Laminated Glass

Laminated glass originated in 1920 when the auto industry took two sheets of glass and stuck them together with a sheet of PVB (polyvinyl butyl) in between.

The “sandwich” was fused together using high heat and laminated safety glass was born.

Laminated glass will break but it will not fly into shards during a collision. The glass is designed to take heavy impact without shattering.

This eliminates the possibility of passengers being injured by flying glass.

In the event the occupant in the car is thrown into the window, the laminated glass acts like a cushion.

Tempered Glass

Although it is possible for the driver door glass and passenger door glass to be produced from laminated glass, there is not the same potential for human impact in the event of a crash.

The majority of these door glass are made from tempered glass. Tempered auto glass is single-ply, but it is treated by heating and then rapid cooling.

In the event the glass breaks, it does not shatter into dangerous shards but rather into thousands of harmless pebble-like pieces.

Both Laminated glass and tempered glass is used outside automotive industry.

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