Std

ASTM C743-87(2018)

Standard Test Method for Continuity of Porcelain Enamel Coatings

standard by ASTM International , 10/01/2018

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Full Description

This test method provides for easy detection of discontinuities and areas of light coverage that are not readily seen by visual inspection on corrosion protective porcelain enamel coatings. These two issues limit the protection to the metal substrate. Apparatus includes a nondestructive coating thickness gage, either an ac or a dc high-voltage discharge test instrument with a continuously variable output voltage, and a mesh wire gauze test probe. This test uses porcelain enameled glass coating specimens of any size which should be removed from an edge or the back of a specimen and then properly conditioned as specified. If the probe is wider than the specimen, the specimen edges should be masked using electrical insulating tape.
 

Product Details

Published:
10/01/2018
Number of Pages:
4
File Size:
1 file , 80 KB
Note:
This product is unavailable in Russia, Ukraine, Belarus
 

Document History

  1. ASTM C743-87(2018)

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    Standard Test Method for Continuity of Porcelain Enamel Coatings

    • Most Recent

  2. ASTM C743-87(2014)e1


    Standard Test Method for Continuity of Porcelain Enamel Coatings

    • Historical Version

  3. ASTM C743-87(2009)


    Standard Test Method for Continuity of Porcelain Enamel Coatings

    • Historical Version

  4. ASTM C743-87(2004)e1


    Standard Test Method for Continuity of Porcelain Enamel Coatings

    • Historical Version

  5. ASTM C743-87(1998)


    Standard Test Method for Continuity of Porcelain Enamel Coatings

    • Historical Version