Question about the use of foil with HARD drive

Hi all
Please can someone tell me what a sheet of aluminum covering the hard drive for laptop for?
I guessed that it's temperature.
But some information I found says the opposite.

"
My Seagate hard drive hot enough during long extensions CD writing/Back Up...
Everyone recommends the use
the foil of Food Grade to dissipiate heat?
In my experience, things hot wraped in paper Aluminium gets cooled quite quickly... »

My old man was a problem of partition table, I got a new and reluctant to cover it with a sheet.

What do you think about this?

Sombatk

Hello

I have replaced several hard drives on some laptops but I have never used any further papers of aluminum and I have no problem with the temperature.
In my opinion, it is not necessary.
The cooling modules must be able to manage the temperature of the HARD drive.

Tags: Toshiba

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