Foam Rubber
What is the common thing in cotton wool,foam rubber and carpet?
According to sound insulators?
It could be as sound insulators as long as cotton wool, foam and carpet are thick enough to absorb sound. These will be placed between two walls that serves as sandwich panel in order to function properly as sound insulators.
These materials as well can also be used as thermal (heat) insulators and as well as shock/impact absorvers.
Foam Rubber Crowbar : DIY
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