ISO 11457:2018 PDF

Overview

ISO 11457:2018 specifies guidance for the grading of wet blue goat and sheep skins based on defects. It defines grading principles, terminology and visual criteria used to evaluate chrome‑tanned intermediate hides (wet blue) for quality, cutting value and suitability for different end uses. The standard targets grading by visible grain‑side defects and uses schematic skin areas (figures) to identify prime portions.