ASTM-C1942 › Standard Practice for Evaluation of Low Angle Light Characteristics
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Scope
1.1 This practice replicates low angle viewing conditions on ceramic tile installations.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information only.
1.3 This qualitative practice is intended to provide general guidance at the manufacturing level to determine if product will be acceptable under typical end use conditions.
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.
Significance and Use
4.1 Some tile surfaces may exhibit variations under low angle conditions as part of the designed aesthetic.
4.2 This practice is intended for tiles that are designed to have an overall uniform appearance under low angle conditions.
Keywords
backlit; ceramic tile; low angle light; metamerism; visual defect;
To find similar documents by ASTM Volume:
15.02 (Glass; Ceramic Whitewares)
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Document Number
ASTM-C1942-24
Revision Level
2024 EDITION
Status
Current
Modification Type
New
Publication Date
Feb. 9, 2024
Document Type
Practice
Page Count
4 pages
Committee Number
C21.06