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Last Updated: Sep 18, 2018
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ASTM D6762-02a(2017)
Standard Test Method for Determining the Hiding Power of Paint by Visual Evaluation of Spray Applied Coatings
Standard Test Method for Determining the Hiding Power of Paint by Visual Evaluation of Spray Applied Coatings
D6762-02AR17
ASTM|D6762-02AR17|en-US
Standard Test Method for Determining the Hiding Power of Paint by Visual Evaluation of Spray Applied Coatings
Standard
D6762 Standard Test Method for Determining the Hiding Power of Paint by Visual Evaluation of Spray Applied Coatings>
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Significance and Use
5.1 This test method determines hiding power of a test paint by visual evaluation of a spray applied coating.
Note 1: Test Method D2805 describes an instrumental method for determining hiding power. The paint film is applied at a uniform thickness (for example with a doctor blade), the film thickness is measured rigorously, and the opacity is determined photometrically. Hiding power is thereby determined with a high degree of precision.
5.2 Test Method D6762 is less precise than Test Method D2805, but is commonly used since it is more closely related to the application characteristics of the paint and is simpler in concept and evaluation.
Scope
1.1 This test method provides for the quantitative visual determination of the film thickness required to achieve full hiding. This film thickness is considered to be the hiding power of a test paint.
1.2 This method applies only to spray applied coatings but its concepts are valid for other methods of application as well.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 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.
1.5 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.