
【国外标准】 Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage
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适用范围:
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.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.1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
标准号:
ASTM D6020-00(2020)
标准名称:
Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage
英文名称:
Standard Practice for Calculation of (Non-Mineral) Combined Tanning Agents and Degree of Tannage标准状态:
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发布日期:
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