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ASTM C384-98
Standard Test Method for Impedance and Absorption of Acoustical Materials by the Impedance Tube Method
STANDARD published on 10.7.1998
The information about the standard:
Designation standards: ASTM C384-98
Note: WITHDRAWN
Publication date standards: 10.7.1998
SKU: NS-13173
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM C384-98 :
Keywords:
acoustical tests, impedance/sound absorption, by impedance tube method, test, , Impedance, acoustical materials, by impedance tube method, test, , Sound transmission-absorption, impedance tube method, ICS Number Code 91.120.20 (Acoust in buildings. Sound insulation)
Additional information
| 1. Scope | ||||||||
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1.1 This test method covers the use of an impedance tube, alternatively called a standing wave apparatus, for the measurement of impedance ratios and the normal incidence sound absorption coefficients of acoustical materials. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. 1.3 The values stated in SI units are to be regarded as the standard. |
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| 2. Referenced Documents | ||||||||
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