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ASTM-C384 1998

ASTM-C384 1998

$40.63

C384-98 Standard Test Method for Impedance and Absorption of Acoustical Materials by the Impedance Tube Method

Published By Publication Date Number of Pages
ASTM 1998 11
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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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ASTM-C384 1998
$40.63