Standard Active Last Updated: Jul 27, 2021 Track Document
ASTM C1650-14(2021)

Standard Practice for Instrumental Reflectance Measurement of Color for Flat Glass, Coated, and Uncoated

Standard Practice for Instrumental Reflectance Measurement of Color for Flat Glass, Coated, and Uncoated C1650-14R21 ASTM|C1650-14R21|en-US Standard Practice for Instrumental Reflectance Measurement of Color for Flat Glass, Coated, and Uncoated Standard new BOS Vol. 15.02 Committee C14
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Significance and Use

4.1 Color measurement quantifies the coating color for glass and is often related to coating thickness and composition as well as tinting used in the substrate glass. The user of this document defines an acceptable range of color appropriate for the end use. Typical quality concerns for the reflected color measurement of coated glass products are an indication of consistency in the coating process and verification of lot-to-lot color consistency for end-user acceptance.

4.2 If the reflected color of a glass product is consistent from lot-to-lot and within agreed supplier-buyer acceptance criteria, that product color is expected to be consistent and acceptable for end-use.

Scope

1.1 This practice provides guidelines for the instrumental reflectance measurement of the color of flat, coated and uncoated glass. (See Terminology E284.)

1.2 The practice specifically excludes fluorescent and iridescent samples.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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.

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Details
Book of Standards Volume: 15.02
Developed by Subcommittee: C14.11
Pages: 3
DOI: 10.1520/C1650-14R21
ICS Code: 17.180.20