Standard Historical Last Updated: Jun 06, 2016 Track Document
ASTM G131-96(2008)

Standard Practice for Cleaning of Materials and Components by Ultrasonic Techniques

Standard Practice for Cleaning of Materials and Components by Ultrasonic Techniques G0131-96R08 ASTM|G0131-96R08|en-US Standard Practice for Cleaning of Materials and Components by Ultrasonic Techniques Standard new BOS Vol. 14.04 Committee G04
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Significance and Use

This practice is suitable for the removal of contaminants found on materials, parts, and components used in systems requiring a high level of cleanliness, such as oxygen. Parts shall have been precleaned to remove visible contaminants prior to using this procedure. Softgoods such as seals and valve seats may be cleaned without precleaning.

This procedure may also be used as the cleanliness verification technique for coupons used during cleaning effectiveness tests as in Test Method G 122.

The cleaning efficiency has been shown to vary with the frequency and power density of the ultrasonic unit. Low frequencies in the 20 to 25 kilohertz range have been found to damage soft metals such as aluminum and silver. Therefore, the specifications of the unit and the frequencies available must be considered in order to optimize the cleaning conditions without damaging the parts.

Scope

1.1 This practice covers a procedure for the cleaning of materials and components used in systems requiring a high level of cleanliness, such as oxygen, by ultrasonic techniques.

1.2 This practice may be used for cleaning small parts, components, softgoods, etc.

1.3 The values stated in SI units are standard.

1.4 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. Specific precautionary statements are given in Note 1.

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Details
Book of Standards Volume: 14.04
Developed by Subcommittee: G04.02
Pages: 5
DOI: 10.1520/G0131-96R08
ICS Code: 03.080.10