ISO/TR 2822-2:2017 pdf free.Leather — Raw cattle hides and calf skins — Part 2: Guidelines for grading on the basis of mass.
ISO/TR 2822-2:2017 provides guidelines for grading cattle hides and calf skins on the basis of mass. It lists the practices followed in those countries that produce cattle hides and calf skins.
Introduction
The variation in weight ranges of cattle hides and calf skins prevailing among resource countries when graded based on mass and size is usually far too large to be accommodated in a common standard. This document has been developed as a technical report to serve as a reference.
5 Determination of mass
5.1 Raw hides and skins
Weigh raw cattle hides to the nearest 0,5 kg and raw calf skins to the nearest 0,1 kg. Allowances should be made for dung and flesh left on the hide or skin.
5.2 Wet salted hides and skins
Open each hide or skin to be weighed. Shake it violently by hitting the flesh side and grain side one time each against the rectangular support, 300—400 mm high. Remove leftover salt by brushing. Weigh wet salted cattle hides to the nearest 0,5 kg and wet salted calf skins to the nearest 0,1 kg.
NOTE Any mechanical methods of desalting can be utilized for the purpose.
5.3 Dry salted hides and skins
Open each hide or skin to the weighed. Shake it to remove any extraneous matter. Weigh dry salted cattle hides and caliskins to the nearest 0,1 kg.ISO/TR 2822-2 pdf download.