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Significance and Use
4.1 The deterioration of an insulating coating film is intimately related to its moisture content. The water penetration test provides a means for monitoring the passage of moisture through a coating material by means of changes in its dielectric constant. When expressed in relation to time, the test data will reflect a rate of deterioration which is a characteristic of the coating material and will bear a relation to its expected useful life as an insulating coating. The test for water penetration will also provide information that is useful in establishing the optimum coating thickness for a given material.
1.1 This method covers the determination of the apparent rate of depth of water penetration into insulating coatings applied to pipe.
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
G12 Test Method for Nondestructive Measurement of Film Thickness of Pipeline Coatings on Steel
ICS Number Code 23.040.01 (Pipeline components in general. Pipelines)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM G9-07(2020), Standard Test Method for Water Penetration into Pipeline Coatings, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top