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Significance and Use
5.1 The results obtained with a mechanical muller do not necessarily correlate directly with an industrial situation where different dispersing conditions exist. However, dispersion with a mechanical muller is a quick and inexpensive way to prepare specimens for testing the color and strength of a pigment for routine quality control.
5.2 By following the procedure described in Appendix X1, the conditions for achieving the maximum practical degree of dispersion with a mechanical muller may be determined. Any color and strength tests done with the dispersions should be carried out under these 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 8.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D332 Test Method for Relative Tinting Strength of White Pigments by Visual Observation
D2745 Test Method for Relative Tinting Strength of White Pigments by Reflectance Measurements
D3022 Test Method for Color and Strength of Color Pigments by Use of a Miniature Sandmill
E284 Terminology of Appearance
ICS Number Code 87.060.10 (Pigments and extenders)
UNSPSC Code 31211503(Pigment paints)
ASTM D7540-09(2013), Standard Practice for Dispersion of Chromatic Pigments with a Mechanical Muller, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top