ASTM D6020-00

ASTM D6020-00 - 10.9.2000

1. Scope

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.

2. Referenced Documents

D2875-00(2024)	Standard Test Method for Insoluble Ash of Vegetable-Tanned Leather
D2868-24	Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
D2876-00(2024)	Standard Test Method for Water-Soluble Matter of Vegetable-Tanned Leather
D3495-10(2023)	Standard Test Method for Hexane Extraction of Leather