How to properly transport polyurethane foam in the heat: I drive only by following 3 simple rules
Previously, I did not think about the fact that mounting foam needs to be transported somehow in a special way. Usually it was like this: I bought it, threw it in the car and went on business. Once I saw a car, the interior of which was polluted all around with mounting foam - a balloon exploded inside in the heat. I began to understand why this happened and how to avoid it.
What temperature can the mounting foam withstand?
If you leave your car in the sun on a hot summer day, the panels become so hot that you can't touch them. Smart people measured - the air temperature inside reaches 60 degrees. On the surface, it is much higher.
I studied the instructions of popular manufacturers of mounting foams. The maximum temperature for cylinders is from 40 to 50 degrees. And in the illustration above, we see that the temperatures in the cabin can be much higher than these limits.
I'm sure someone will take this information as a horror story. Like, I haven’t come across anything like this, I haven’t heard of something like this – this doesn’t happen. Yes, exploded foam canisters are not shouted at every corner. But you can easily find a lot of stories about how children died from the heat, which their parents "briefly" left in the parking lot in the car. Jokes are bad with heat.
Why is this issue not being addressed?
It is likely that manufacturers include a certain margin of safety in their products, which exceeds the standard temperature values \u200b\u200bspecified on the cylinder.
There are experiments on YouTube: bloggers heat polyurethane foam to temperatures above the norm. However, nothing happens to her. She doesn't explode.
But this is not a reason to shift the responsibility to the manufacturer and lose vigilance. You can always run into a factory marriage. Against the background of a shortage of sheet metal, the margin of safety can be reduced. There are already enough videos on the Internet from guys who were not lucky with polyurethane foam. For example:
Yes, foam does not always explode from high pressure with increasing temperature. But excess pressure plus mechanical damage and the interior of the car is guaranteed to be damaged. To prevent this, I formulated for myself three simple rules for transporting polyurethane foam:
- In the heat, no long stops and rides around the city with polyurethane foam. I bought materials in the store and immediately went home.
- I lay the foam away from the sun. Usually I put it “on my feet” under the rear row seats or in the trunk (rarely). Never on the seat or panel.
- Materials and tools are stacked so that they stand close to each other. We have already seen above what will happen if something falls or crushes the mounting foam. That is why I prefer to carry it in the cabin, and not in the trunk.
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