FOAM S.T.O.P. Soundwave/Dual Wave
Polyurethane Foam Sound Absorber
High Performance Absorber
Sound Wave Pattern
Fiber Free
Reduces Reverberation
Material:
Open cell polyurethane acoustical foam.
Pattern:
Scientifically engineered pattern designed to absorb the widest range of frequencies.
Features:
Effectively reduces reflected noise and reverberation times (echo) to produce safe and enjoyable enviroments.
Application:
Industrial, Commerical, Audio, OEM, Residential, Ceilings, Walls, Partitions, Sound/Recording Studios, Radio Stations, Band Rooms, Swimming Pools, Churches, Schools, Gun Ranges, Equipment Enclosures.
Thickness:
1", 2", 3", 4"
Sizes:
2' x 4' , 4' x 4' Density: 2lbs/cub.ft
Colors:
Brown, Blue, Charcoal, Beige, Hunter Green, Burgundy,
Painted: Silver, Blue.
Flammability:
1”,2”,3”, UL94HF-1 Class B, 4” UL94HF-1 Class-C.
Foam S.T.O.P. Soundwave: Sound Absorption/Noise Reduction per ASTM C4233-902
1"
2"
3"
4"
125Hz
-
0.15
0.17
0.32
250Hz
0.17
0.31
0.50
0.93
500Hz
0.40
0.73
0.91
1.43
1KHz
0.72
1.04
1.08
1.33
2KHz
0.76
1.08
1.04
1.29
4KHz
-
1.12
1.10
1.21
NRC
0.50
0.80
0.90
1.25
Caution:
Polyurethane foam is flammable and may emit toxic fumes when burned. Do NOT use near open flame. Check local codes for allowed uses. Manufacturer assumes no liability.