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ASTM G74-82(1996)e1

Historical Reaffirmation

Standard Test Method for Ignition Sensitivity of Nonmetallic Materials and Components by Gaseous Fluid Impact

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1.1 This method describes a technique to determine the relative sensitivity of materials to dynamic pressure impacts by gases such as oxygen, air, or blends of gases containing oxygen.

1.2 This method describes the test apparatus and test procedures that may be employed in the evaluation of materials for use in gases under dynamic pressure operating conditions up to gage pressures of 10 000 psi (69 MPa) at ambient temperature.

1.3 This method is primarily a test for ranking of materials. This method is not necessarily valid for determination of the sensitivity of the materials in an "as-used" configuration since the material sensitivity may be altered because of changes in material configuration, usage, and environment. This method can be employed to provide batch-to-batch acceptance data. Acceptability of any material may be based on its performance at a particular test pressure, or test pressure may be varied to determine the reaction threshold of a material, as specified by the user.

1.4 The criteria used for the acceptance, retest, and rejection of materials for any given application shall be determined by the user and are not fixed by this method.

1.5 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. For specific precautions see Section 7.


SDO ASTM: ASTM International
Document Number G74
Publication Date Sept. 10, 2001
Language en - English
Page Count 7
Revision Level 82(1996)e1
Supercedes
Committee G04.01
Publish Date Document Id Type View
May 1, 2013 G0074-13 Revision
Sept. 1, 2008 G0074-08 Revision
Sept. 10, 2001 G0074-01 Revision
Oct. 15, 2021 G0074-13R21 Reaffirmation
Sept. 10, 2001 G0074-82R96E01 Reaffirmation