ISO 14931:2021 Leather — Leather for apparel (excluding furs) — Specifications and sampling procedures.
1 Scope
This document gives recommended values and related test methods for apparel leather, excluding furs. It also specifies the sampling and conditioning procedures of laboratory samples.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 105-B02, Textiles — Tests for colour fastness — Part B02: Colour fastness to artificial light: Xenon arc fading lamp test
ISO 2418, Leather — Chemical, physical and mechanical and fastness tests — Sampling location
ISO 2419, Leather — Physical and mechanical tests — Sample preparation and conditioning
ISO 2588, Leather — Sampling — Number of items for a gross sample
ISO 3376, Leather — Physical and mechanical tests — Determination of tensile strength and percentage elongation
ISO 3377-1, Leather — Physical and mechanical tests — Determination of tear load — Part 1: Single edge tear
ISO 4044, Leather — Chemical tests — Preparation of chemical test samples
ISO 4045, Leather — Chemical tests — Determination of pH and difference figure
ISO 5402-1, Leather — Determination of flex resistance — Part 1: Flexometer method
ISO 11640, Leather — Tests for colour fastness — Colour fastness to cycles of to-and-fro rubbing
ISO 11642, Leather — Tests for colour fastness — Colour fastness to water
ISO 11643, Leather — Tests for colour fastness — Colour fastness of small samples to solvents
ISO 11644, Leather — Test for adhesion of finish
ISO 15700, Leather — Tests for colour fastness — Colour fastness to water spotting
ISO 17070, Leather — Chemical tests — Determination of tetrachlorophenol-, trichlorophenol-, dichlorophenol-, monochlorophenol-isomers and pentachlorophenol content
ISO 17075-1, Leather — Chemical determination of chromium(VI) content in leather — Part 1: Colorimetric method
ISO 17075-2, Leather — Chemical determination of chromium(VI) content in leather — Part 2: Chromatographic method
ISO 17186, Leather — Physical and mechanical tests — Determination of surface coating thickness
ISO 17226-1, Leather — Chemical determination of formaldehyde content — Part 1: Method using high-
performance liquid chromatography.ISO 14931 pdf download.