ASTM D7091 PDF

Active view current version of standard. Other Historical Standards. Work Item s - proposed revisions of this standard. More D This practice is intended to supplement the manufacturers' instructions for the manual operation of the gages and is not intended to replace them.

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Active view current version of standard. Other Historical Standards. Work Item s - proposed revisions of this standard. More D This practice is intended to supplement the manufacturers' instructions for the manual operation of the gages and is not intended to replace them.

It includes definitions of key terms, reference documents, the significance and use of the practice, the advantages and limitations of coating thickness gages, and a description of test specimens. It describes the methods and recommended frequency for verifying the accuracy of gages and for adjusting optimizing the equipment, describes a frequency for measuring the thickness of the coating s and lists the reporting recommendations.

Provisions for measuring on soft or tacky coatings are described in. The user should consult the manufacturers instructions regarding the use of coating thickness gages on these types of coatings. These gages are categorized as "magnetic pull-off" and "electronic. This measured distance is displayed as coating thickness by the gages. Accordingly, these gages cannot distinguish the thickness of individual layers after they have all been applied. The thickness of each layer must be measured after it is applied.

Even then, the thickness of the measured layer is the cumulative thickness of that layer and all layers beneath it, down to the base metal. This practice does not address the use of ultrasonic coating thickness gages. Test Method D should be referenced for this application. As a result, obtaining single-point measurements may not accurately represent the actual coating system thickness. The governing specification is responsible for providing the user with the minimum and the maximum coating thickness for each layer, and for the total coating system.

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. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Scope 1. Link to Active This link will always route to the current Active version of the standard.

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ASTM D7091

Thank you for interesting in our services. We are a non-profit group that run this website to share documents. We need your help to maintenance this website. Please help us to share our service with your friends. Share Embed Donate. A number in parentheses indicates the year of last reapproval. It includes definitions of key terms, reference documents, the significance and use of the practice, the advantages and limitations of coating thickness gages, and a description of test specimens.

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ASTM D7091-13

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Historical Version s - view previous versions of standard. Work Item s - proposed revisions of this standard. More D Additionally, most manufacturers of high performance coatings will warranty coating systems based upon, in part, achieving the proper thickness of each layer and the total coating system. Equipment manufacturers produce nondestructive coating thickness testing gages that are used to measure the cumulative or individual thickness of the coating layers, after they are dry. The manufacturers provide information for the adjustment and use of these gages, normally in the form of operating instructions.

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