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ASTM D4890-06

Historical Revision

Standard Test Methods for Polyurethane Raw Materials: Determination of Gardner and APHA Color of Polyols

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1.1 These test methods measure visually the color of clear polyester and polyether liquids. They apply only to materials whose colors have light-absorption characteristics similar to those of the standards. An alternative method is Test Method D 1209 (see ).

1.2 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

Although Test Method A of these test methods and ISO 4630-1:2004 differ in some details, data obtained using either are technically equivalent. Although Test Method B of these test methods and ISO 6271-1981 differ in some details, data obtained using either are technically equivalent.


These test methods are suitable for quality control, as specification tests, and for research. Color is an important property of urethane products.

SDO ASTM: ASTM International
Document Number D4890
Publication Date Sept. 1, 2006
Language en - English
Page Count 4
Revision Level 06
Supercedes
Committee D20.22
Publish Date Document Id Type View
Aug. 1, 2024 D4890-24 Revision
Aug. 1, 2018 D4890-18 Revision
April 1, 2013 D4890-13 Revision
Sept. 1, 2006 D4890-06 Revision
July 10, 1998 D4890-98 Revision
Nov. 1, 2003 D4890-98R03 Reaffirmation