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ASTM D7133-05

Historical Revision

Standard Test Method for Polyurethane Raw Materials: Instrumental Measurement of Tristimulus CIELAB Color and Yellowness Index of Liquids

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1.1 This test method provides an instrumental method for measuring the CIELAB color and Yellowness Index (YI) of liquid polyurethane raw materials. The CIELAB and YI results are derived from mathematical manipulation of CIE tristimulus values in accordance with Practices E 308 and E 313, respectively.

1.2 See Section 5 for cautions in using this test method.

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 and health practices and determine the applicability of regulatory limitations prior to use.

Note 1

There is no equivalent ISO standard.


SDO ASTM: ASTM International
Document Number D7133
Publication Date Dec. 15, 2005
Language en - English
Page Count 4
Revision Level 05
Supercedes
Committee D20.22
Publish Date Document Id Type View
Oct. 1, 2021 D7133-21 Revision
Sept. 1, 2016 D7133-16 Revision
Feb. 1, 2011 D7133-11 Revision
Dec. 15, 2005 D7133-05 Revision