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ASTM D4449-90(1999)

Historical Reaffirmation

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

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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.


SDO ASTM: ASTM International
Document Number D4449
Publication Date May 10, 1999
Language en - English
Page Count 6
Revision Level 90(1999)
Supercedes
Committee E12.11
Publish Date Document Id Type View
April 1, 2015 D4449-15 Revision
Dec. 1, 2008 D4449-08 Revision
June 1, 2021 D4449-15R21 Reaffirmation
Nov. 1, 2004 D4449-90R04 Reaffirmation
May 10, 1999 D4449-90R99 Reaffirmation