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ASTM D281-12

Current Revision

Standard Test Method for Oil Absorption of Pigments by Spatula Rub-out

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1.1 This test method covers the determination of the oil absorption of pigments by the spatula rub-out technique.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

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.

The oil absorption value obtained by this test method gives information about the vehicle demand of the pigment when it is used in a pigment paste. Oil absorption values can be used to characterize pigments or batches of a given pigment.

This test method differs from Test Method D1483 in that D1483 involves only a gentle stirring and folding of the pigment, whereas this test method requires a thorough rubbing action. Because the end points are different, the values obtained from the two test methods generally differ.

SDO ASTM: ASTM International
Document Number D281
Publication Date April 15, 2012
Language en - English
Page Count 2
Revision Level 12
Supercedes
Committee D01.24
Publish Date Document Id Type View
April 15, 2012 D0281-12 Revision
Feb. 15, 1995 D0281-95 Revision
June 1, 2021 D0281-12R21 Reaffirmation
Dec. 1, 2016 D0281-12R16 Reaffirmation
July 1, 2007 D0281-95R07 Reaffirmation
Feb. 15, 1995 D0281-95R02 Reaffirmation