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ASTM D6020-00(2016)

Historical Reaffirmation

Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage

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1.1 This practice covers the determination of the combined tannin and nonextractable organic resins and the degree of tannage of all types of vegetable-tanned leather and leather with organic retannages. This practice does not apply to wet blue.


3.1 This practice may be used to determine non-protein or non-nitrogen containing organic matter in leather which is not extractable with water or hexane. Examples would be vegetable tannins and acrylic lubricants.

SDO ASTM: ASTM International
Document Number D6020
Publication Date Sept. 1, 2016
Language en - English
Page Count 2
Revision Level 00(2016)
Supercedes
Committee D31.01
Publish Date Document Id Type View
Sept. 10, 2000 D6020-00 Revision
Dec. 1, 2020 D6020-00R20 Reaffirmation
Sept. 1, 2016 D6020-00R16 Reaffirmation
April 1, 2010 D6020-00R10 Reaffirmation
Sept. 1, 2005 D6020-00R05 Reaffirmation