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Rockwool density for bass traps

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Bankies:
What density rock-wool would work best for bass traps?

80kg/m3 or 100kg/m3 or more

Should I just go with the basic rule of thumb that the more dense it is...the better it will absorb low frequencies.

Abu:
Not so much density as air resistivity (although there is a corrolation). Also your intended application has an affect.

See if this helps? :  https://www.gearslutz.com/board/bass-traps-acoustic-panels-foam-etc/863001-correct-afr-density-thickness-superchuncks-corner-traps-relation.html

Bankies:

--- Quote from: Abu on February 04, 2020, 03:33:20 PM ---Not so much density as air resistivity (although there is a corrolation). Also your intended application has an affect.

See if this helps? :  https://www.gearslutz.com/board/bass-traps-acoustic-panels-foam-etc/863001-correct-afr-density-thickness-superchuncks-corner-traps-relation.html

--- End quote ---
Thanks Abu

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Timber_MG:
You'd be surprised how many people who consult in commercial acoustics refer to material density as an acoustic parameter. It's about moving product primarily, performance second.

Bankies:

--- Quote from: Timber_MG on February 04, 2020, 07:37:49 PM ---You'd be surprised how many people who consult in commercial acoustics refer to material density as an acoustic parameter. It's about moving product primarily, performance second.

--- End quote ---

Hi Timberland, that I did not realize as until I read the website Abu sent me. I am now well informed and have my answer I was looking for. Thanks

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