Will extreme heat, in an enclosed trailer, while being pulled, cause fragile glass items to break/be more likely to break?
In: Physics
The biggest factor in glass breaking due to heat is thermal shock – i.e., going from hot to cold very quickly, which causes the glass to break because it doesn’t cool 100% evenly and literally pulls itself apart (cracks) as different parts contract at different rates. But as long as you’re not throwing cold water on your hot glass or putting them somewhere extremely cold right out of the trailer, that shouldn’t be an issue.
If you have a lot of glass things stacked together, one of them could crack the others if it expands more/more quickly due to the heat. You should at minimum provide a buffer layer using cloth or crumpled newspaper between items so they aren’t rubbing directly together. Aside from that just make sure it’s packaged in a way that won’t let it bounce around.
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