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AlphaComposite™ Polyurethane Foam Data Sheet

AlphaComposite™ Foam works both as a sound blocker and a sound absorber. It is comprised of three layers - a 1/4" layer of foam to act as a decoupler, a 1/8" 1 lb. per square foot vinyl sound blocking material, an a 1" layer of foam for sound absorption. AlphaComposite™ Foam is a very versatile product. Various facings are available as well as various roll and sheet sizes all aimed at meeting your specific needs.

acoustical foam

 

Product Data
Options
Acoustical Performance
Sound Transmission Loss
Octave Band Frequencies (Hz)
Product 125
250 500 1000 2000 4000 STC
AFBF-1 20 21 25 28 32 42 29
Acoustical Performance
Sound Absorption Data
Octave Band Frequencies (Hz)
Product 125
250 500 1000 2000 4000 NRC
AFBF-1 .02 .31 .63 .94
1.03 .90 .75
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