ASTM-E3040 2022(Redline)

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E3040-22 Standard Practice for Evaluation of Instrumental Color Difference with a Gray Scale (Redline)

Published By	Publication Date	Number of Pages
ASTM	2022

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Categories: 17.180.20 - Colours and measurement of light, ASTM

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Description

ASTM E3040-22

Redline Standard: Standard Practice for Evaluation of Instrumental Color Difference with a Gray Scale

ASTM E3040

Scope

1.1 Test Method D2616 describes a painted gray scale and the procedure to be used in the visual evaluation of color differences on non-self-luminous materials by comparison to this scale. This practice provides an alternative method of obtaining a similarly valued result by an instrumental method.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard, except that the test results of this test method are converted by the calculations to an arbitrary visual scale defined by Test Method D2616, whose units are called GS_C (Gray Scale for Change in Color).

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, health, and environmental 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.

Keywords

color difference; gray scale; instrumental color-difference;

ICS Code

ICS Number Code 17.180.20 (Colours and measurement of light)

DOI: 10.1520/E3040-22

Additional information

Standard Title	E3040-22 Standard Practice for Evaluation of Instrumental Color Difference with a Gray Scale (Redline)
Published Code	ASTM
Publication Date	2022
ICS Codes	17.180.20 - Colours and measurement of light