ASTM-F843 › Standard Test Method for Assessing the Color Strength and Dispersibility of Alkali Blue Pigment in Hot Melt Carbon Copy Paper Ink (Withdrawn 2015)
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1.1 This test method provides a procedure to determine the color strength of dry or flushed alkali blue pigment in hot melt carbon copy paper ink compared to an alkali blue control mutually agreed upon by the purchaser and supplier.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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. Specific warning statements are given in 9.1 and 9.2.1.
Significance and Use
This test method is intended to provide a means of evaluating the comparative color strength and dispersibility of alkali blue dry pigment or flushed color in hot melt carbon paper inks.
alkali blue; carbon paper ink; color strength; dispersibility; Alkali blue pigment; Color--copy materials/products; Copy materials/products--carbon paper; Dispersability; Ink; ICS Number Code 17.180.20 (Colours and measurement of light); 87.080 (Inks. Printing inks)
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1998 R08 EDITION
June 1, 2008