Is thicker glass more prone to breakage than thin glass?

Answer 1

When you pour a really hot or really cold liquid into a glass, the sudden expansion or contraction will cause it to break. This is especially true with thicker glass because the temperature of the surface of the glass will differ from the temperature of the inside of the glass, making it more likely to crack. This difference in temperature doesn't affect thinner glass because the outer and inner temperatures are going to be more similar.

Answer 2

Thicker glass won't break as much because it is more molecules to break through. In an aquarium, which would you rather have to contain gallons of water, thick glass or thin glass? They use thick because it doesn't break easier.

Answer 3

I'm answering this question from the perspective of a glass artist...

Thin glass warms up more quickly because it IS thin and not subject to differences in temperature within the glass itself that cause internal stress. With thick glass, the surface may be hot, but the center may still be cold, and the difference in temperature will cause it to shatter or crack.

However, to answer your question, it is most likely related to the TYPE of glass that was used to create the product and not the thickness.

For those of us who work with hot glass (cast/torch/fused) an important concept is one of thermal shock. Glass for fusing is assigned a number called a "Coefficient of Expansion" that relates to how much the glass expands and contracts when you heat it to its melting temperature and cool it back down.

Beadmakers (lampworkers) who melt rods of glass use "softer" glass with COEs of approximately 104 (Moretti). This type of glass melts at a lower temperature and is fairly easy to work with. Glass fusers usually choose between one of two standards...System 96 (96 COE) or Bullseye (90 COE). Pyrex, another familiar glass (Corning 7740 Borosilicate), has a COE of 32.5. It is worked at a much hotter temperature. The higher the COE, the more that the glass expands and contracts. The lower the COE, the stronger the glass, and therefore less likely to break.

If you've ever watched a glassblower...the kind you used to see at the mall or the county fair, they most likely used Pyrex for its durability and resistance to thermoshock. Also, you cannot mix these different types of glass because as the glass cools it contracts at different rates and causes stress within the glass. This leads to immediate or even future breakage.

So a little more about Pyrex, which is very resistant to breaking...its predecessor was a low-expansion glass originally invented by Corning Glass Works for the railroad industry. The railroads needed shatterproof lantern globes that wouldn't break when hit with rain or snow. Corning found that the demand for replacement globes went down significantly after the introduction of this new product.

So how did Pyrex come into existance? The wife of a Corning scientist, Bessie Littleton, was having problems with a casserole dish breaking, and made a request to her husband to bring home samples of this new shatterproof glass. He brought home two samples of sawed-off battery jars, and she cooked a sponge cake in them. She found that the cooking time was shorter, the cake was uniform, and most importantly, they didn't break. In 1915, Corning introduced Pyrex bakeware to the world. Check out the article posted at the end of this answer.

http://www.pyrexware.com/index.asp?pageId=91

Answer 4

The outer side of the thick glass expands at a different rate from the inner side. This sets up a tension that is different from the other side. So it cracks. Most drinking glasses are fairly able to cope with hot water as they are not thick. Fairly good sense, as no one will buy drinking glass that cracks each time hot liquid is poured in and no manufacturer can afford such negative situations.

Most glass bottles can handle hot water without cracking. Besides the cost of thick glass, it makes more sense to make bottles of a thickness that optimises both cold and hot storage.

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Answer 5

Thicker glass tends to be more resistant to breakage than thin glass because it has more material to absorb impact or stress. However, thick glass can still break if subjected to extreme force or pressure. Generally, thicker glass is more durable and less prone to breakage compared to thin glass.

Answer 6

Thicker glass is generally less prone to breakage than thin glass due to its increased structural integrity and ability to distribute stress more effectively. Thicker glass is better able to withstand impacts and pressure, making it more durable in most situations. However, it is important to consider other factors such as the type of glass, manufacturing quality, and environmental conditions when assessing the likelihood of breakage.

Answer 7

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Answer 8

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