Sound Absorption Ratings (NRC) For Acoustimac Series 7 Panels
Core Material:
1" Thick Owens Corning 703 Fiberglass - 4 Lbs per Cubic Foot
NRC
40
20
60
80
90
100
120
140
160
0.0
0.5
1.0
1.5
2.0
NRC
1/3 Octave Band Center Frequencies In Hz.
HZ
125
250
500
1000
2000
4000
NRC
0.11
0.28
0.68
0.90
0.93
0.96