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RPG
Diffusor Systems: Absorbor: CSI Specifications
- The Fabric Wrapped
Acoustical Panel shall be fabricated from molded fiberglass cores. Edges
shall be square and plum to within a tolerance of 1/16". The Absorbor
shall be of the thickness and sizes as indicated on the drawing.
-
The fiberglass
cores shall have a minimum density of not less than 6lbs/ft cubed
(or specify desired density).
- Provide mechanical
clip mounting system (or specify other desired mounting such as construction
adhesive or hook and loop fasteners) as per manufacturers recommendations.
-
Absorption Coefficients
and Noise Reduction Coefficient for the product shall be measured
by an independent, accredited NVLAP facility according to the test
methods as defined by ASTM C 423 and ASTM E 795. Random incidence
Absorption Coefficients for a 1" thick, 6lbs/ft cubed density
product in an E-400 mounting shall be as follows:
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125
Hz
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250
Hz
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500
Hz
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1000
Hz
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2000
Hz
|
4000
Hz
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NRC |
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0.01
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0.30
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0.93
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1.14
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1.08
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0.97
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0.90 |
- Flame Spread and
Smoke Developed shall be tested by an independent, accredited NVLAP
facility according to the test methods as defined by ASTM E 84 and NFPA
255. The Fabric Wrapped Acoustical Panel shall have a composite Flame
Spread Rating of less than 25 and a Smoke Development of less than 450.
- The Fabric Wrapped
Acoustical Panel shall be supplied in a Guilford of Maine FR701 fabric,
color to be as specified.
- The overall dimensions
shall be 1' 11-5/8"(H) x 1' 11-5/8"(W) x 1"(D) (specify
other dimensions if desired) and weigh no more than 4 pounds.
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