Acoustical Data Test

Sound Absorption Test
Acoustic Systems Acoustical Research Facility

Test Method ASTM C 423 - 90a / ASTM E 795 - 92
Test Results - Noise Reduction Coefficient = 1.05 (NRC)

Frequency Sound Aporption [m2] Sound Absorption Coeff. [1]
100
3.1 + 0.9
0.52 + 0.16
125
6.4 + 0.6
1.08 + 0.10
160
6.8 + 0.5
1.14 + 0.08
200
7.0 + 0.4
1.18 + 0.06
250
6.9 + 0.2
1.16 + 0.04
315
7.2 + 0.2
1.20 + 0.03
400
6.8 + 0.2
1.15 + 0.03
500
6.6 + 0.2
1.11 + 0.03
630
6.5 + 0.2
1.09 + 0.03
800
6.4 + 0.2
1.07 + 0.03
1000
6.1 + 0.2
1.03 + 0.03
1250
5.8 + 0.2
0.98 + 0.03
1600
5.6 + 0.2
0.94 + 0.03
2000
5.3 + 0.2
0.90 + 0.03
2500
4.9 + 0.2
0.83 + 0.03
3150
4.6 + 0.2
0.77 + 0.03
4000
4.1 + 0.2
0.68 + 0.03
5000
3.8 + 0.2
0.63 + 0.03

Noise Reduction Coefficient = 1.05


Sound Transmission Loss Test

Acoustic Systems Acoustical Research Facility

Test Method ASTM E 90 - 90 / ASTMC 423 - 90a
ASTM E 413 - 87 / ASTM E 1332 - 90

Test Results: Sound Transmission Class = 33 (STC)
Outdoor - Indoor Transmission Class = 24

Frequency TL [db] octave def'cy
50
17 + 1.4
63
16 + 1.1
17
80
17 + 1.0
100
15 + 0.4
125
16 + 0.6
15
1
160
16 + 0.9
4
200
17 + 0.4
6
250
21 + 0.4
20
5
315
24 + 0.2
5
400
28 + 0.3
4
500
29 + 0.5
29
4
630
33 + 0.3
1
800
38 + 0.3
1000
40 + 0.4
40
1250
44 + 0.2
1600
45 + 0.1
2000
45 + 0.2
45
2500
45 + 0.1
3150
46 + 0.1
4000
46 + 0.1
45
5000
44 + 0.1
6300
44 + 0.1
8000
45 + 0.1
45
10000
46 + 0.1

Sound Transmission Class 33
Outdoor Indoor Transmission Class 24


Ultraviolet Light Exposure Test

Atlas Weathering Services Group
South Florida Test Service

Test Method ASTM G 155-00 / ASTM G 147 Jul 96
Test Exposure Time = 3,000 Hours

Test Results - Delta E Values for color change less than 150

Chalking = None Cracking = None Crazing = None