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Scope

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.

Keywords

gaseous fluid impact; ignition sensitivity; oxygen enriched environment; ICS Number Code 13.220.40 (Ignitability and burning behaviour of materials and products); 13.230 (Explosion protection)

To find similar documents by ASTM Volume:

14.04 (Laboratory Apparatus; Degradation of Materials; SI; Oxygen Fire Safety)

To find similar documents by classification:

13.220.40 (Ignitability and burning behaviour of materials and products)

13.230 (Explosion protection Electrical apparatus for explosive atmospheres, see 29.260.20 Explosives and pyrotechnics, see 71.100.30)

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