Sound absorption coefficient according to UNE-EN ISO 354, UNE-EN ISO 11654, ASTM C 423
Determination of sound absorption coefficients
Manufacturer :
Brand :
Product ref. :
Date :
Skum Acoustics SL
Skum Acoustics
SVART
30.09.2019
Description of the acoustic element :
Material :
Thickness [mm] :
PET fiber
Notes :
-
Format [mm] :
Color :
40
Evaluation : Reverberation time
1200 x 600
Black
1,20
Other values obtained by engineering method
Equiv. Area
αs
A
100
0,14
1,41
125
0,26
2,62
160
0,31
3,12
200
0,43
4,33
250
0,46
4,64
315
0,67
6,75
400
0,75
7,56
500
0,85
8,57
630
0,90
9,07
800
0,93
9,37
1.000
0,97
9,78
1.250
0,96
9,68
1.600
0,98
9,88
2.000
1,00
10,08
2.500
1,02
10,28
3.150
1,03
10,38
4.000
1,04
10,48
5.000
1,07
10,79
0,90
0,60
αs
Absorption coeff.
[Hz]
0,30
0,00
100
125
160
200
250
315
400
500
630
800 1.000 1.250 1.600 2.000 2.500 3.150 4.000 5.000
Frequency [Hz]
1,20
1,00
0,80
0,60
αp
Frequency
NRC
SAA
αw
Sound Absorption Class
accord. to UNE-EN ISO 11654
0,80
0,83
0,80(H)
B
Surface [m 2]
10,08
Installation method
E000
Density [kg/m 3]
accord. to ISO 845
Fire behaviour
accord. to UNE 23727
Fire behaviour
accord. to EN ISO 13501
0,40
0,20
0,00
125
250
500
1.000
2.000
4.000
Frequency [Hz]
50
M1
B,s2,d0
Practical Sound absorption coefficient αp according to UNE-EN ISO 11654
Freq. [Hz]
125
250
500
1.000
2.000
4.000
αp
0,15
0,40
0,70
0,85
0,95
1,00
SKUM ACOUSTICS SL
T. : +34 93 119 03 54
@ : info@skumacoustics.com
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SKUM ACOUSTICS SL
CA20190930SKLC013