ASTM D 4787 : 2024
Current
The latest, up-to-date edition.
Standard Practice for Continuity Verification of Liquid or Sheet Linings Applied to Concrete Substrates
Hardcopy , PDF
English
01-07-2024
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
D 01
|
| DocumentType |
Standard Practice
|
| Pages |
6
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
1.1This practice covers procedures that may be used for the detection of discontinuities in nonconductive linings or other non-conductive coatings applied to concrete substrates with or without a conductive underlayment.
1.2Discontinuities may include pinholes, internal voids, holidays, cracks, and conductive inclusions.
1.3This practice describes detection of discontinuities utilizing a high voltage spark tester using either pulsed or continuous dc voltage.
Note 1:For further information on discontinuity testing refer to NACE Standard Practice SP0188, Test Method G62, or Practice D5162.
1.4The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.5This 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. For a specific hazard statement, see Section 7.
1.6This 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.
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