Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM D4449-90(1999)

Standard Test Method for Visual Evaluation of Gloss Differences Between Surfaces of Similar Appearance

Standard Test Method for Visual Evaluation of Gloss Differences Between Surfaces of Similar Appearance D4449-90R99 ASTM|D4449-90R99|en-US Standard Test Method for Visual Evaluation of Gloss Differences Between Surfaces of Similar Appearance Standard new BOS Vol. 06.01 Committee E12
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Scope

1.1 This method covers the visual evaluation of gloss differences of coating surfaces, using special types of lamps for illumination. It identifies six aspects or types of gloss that one may look for when using the lamp to assess gloss differences between surfaces. It describes the conditions for using the lamps to best identify small differences in each of the six types of gloss. Four levels of visual gloss differences are distinguished.

1.2 While this technique is useful for both weathered and unweathered specimens, it has not been applied to metallics.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 06.01
Developed by Subcommittee: E12.11
Pages: 6
DOI: 10.1520/D4449-90R99
ICS Code: 87.040