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ASTM International - ASTM D2967-07(2017)

Standard Test Method for Corner Coverage of Powder Coatings

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Organization: ASTM International
Publication Date: 1 June 2017
Status: active
Page Count: 3
ICS Code (Other insulating materials): 29.035.99
significance And Use:

4.1 This test method measures the degree to which different coating powder materials cover sharp corners. Corner coverage is influenced by face thickness, thixotropy, melt viscosity, surface... View More

scope:

1.1 This test method covers the determination of the ratio of corner thickness (see 3.1.3) to face thickness (see 3.1.4) of powder coatings applied to a specific face thickness by dipping preheated square bars into aerated powder and curing the coating using predetermined conditions.

Note 1: The property of corner coverage has also been referred to as "edge coverage," though the latter is not recommended. There are widespread misunderstandings and expectations relative to the term "edge coverage." This test is performed on a steel bar having square corners and the results do not necessarily relate to edges that are sharper, that is, burrs. A coating that has measurable corner coverage may still not protect sharper edges from corrosion or provide the electrical insulation needed in some applications.

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 and health 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.

Document History

ASTM D2967-07(2017)
June 1, 2017
Standard Test Method for Corner Coverage of Powder Coatings
1.1 This test method covers the determination of the ratio of corner thickness (see 3.1.3) to face thickness (see 3.1.4) of powder coatings applied to a specific face thickness by dipping preheated...
June 1, 2013
Standard Test Method for Corner Coverage of Powder Coatings
1.1 This test method covers the determination of the ratio of corner thickness (see 3.1.3) to face thickness (see 3.1.4) of powder coatings applied to a specific face thickness by dipping preheated...
June 1, 2007
Standard Test Method for Corner Coverage of Powder Coatings
1.1 This test method covers the determination of the ratio of corner thickness (see 3.1.3) to face thickness (see ) of powder coatings applied to a specific face thickness by dipping preheated square...
December 10, 2002
Standard Test Method for Corner Coverage of Powder Coatings
1.1 This test method covers the determination of the ratio of corner thickness (see ) to face thickness (see 3.1.3) of powdered plastic coatings applied to a specific face thickness by dipping...
January 10, 2002
Standard Test Method for Edge Coverage of Coating Powders
1.1 This test method covers the determination of the ratio of edge thickness (see 3.1.3) to face thickness (see 3.1.4) of powdered plastic coatings applied to a specific face thickness by dipping...
January 10, 2002
Standard Test Method for Edge Coverage of Powder Coatings
1.1 This test method covers the determination of the ratio of edge thickness (see 3.1.3) to face thickness (see 3.1.4) of powdered plastic coatings applied to a specific face thickness by dipping...
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