Sound-Pruf™
Test Data


Acoustical
Material Characteristics


Sound
Transmission
Class (STC)
Assemblies


Sound-Pruf™
Guide
Specifications

 Sound-Pruf ___________________

Acoustical Material Characteristics

Test Test Standard Result Conducted By
Sound Absorption Dry Density ASTM C423-84A
E795
ASTM E605
NRC .50 to 1.1
7 lb. ft.
Riverbank
Acoustical Labs
Sound
Transmission
Dry Density
ASTM E90-85
ASTM 413-73
ASTM E605
Single Wall to
STC 54
Double Wall to
STC 61
Floor Const to
STC 54
7 lb. ft.
Riverbank
Acoustical Labs
Light
Reflectance
ASTM C523-68 .75 Riverbank
Acoustical Labs
Surface Burning
Characteristics
ASTM E84-84
ANSI 2.5, NFPA
255,
UBC 42-1, UL 723
Flame Spread 0
Fuel
Contributed 0
Smoke
Developed 0
Commercial
Testing Co.
Fungus ASTM C738 UMB
80
Passed Commercial
Testing Co.
R-Value
Dry Density
ASTM C518-76
ASTM E605
R 3.8 per inch
dependant on
density
Commercial
Testing Co.
Thermal
Conductivity
ASTM C518-76 K = .26 Commercial
Testing Co.
Moisture
Absorption
ASTM C739 UMB
80
7.0% by weight Commercial
Testing Co.
Corrosive ASTM 739 UMB
80
Non corrosive
on copper,
steel, aluminum
Commercial
Testing Co.
Corrosiveness ASTM E937 Non corrosive
on bare
steel,
galvanized
steel,
shop coated
steel
United States
Testing
Odor Emission ASTM C739 UMB
80
Passed Commercial
Testing Co.
Bond Strength ASTM E736 UMB
80
Greater that
357 lbs. ft.
Commercial
Testing Co.
Bond Deflection ASTM E759 No delamination
No cracking
Commercial
Testing Co.
Air Erosion ASTM E859 UMB
80
0.025 g. ft. Commercial
Testing Co.
Combustibility ASTM E136 Non
combustible
Commercial
Testing Co.



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