Liming leaves traces of lime in the hide. These are to be removed with the descaling process. And here, too, the softer the leather is to be, the more intensively the hide needs to be descaled.
Additional sources: https://www.feinleder-hoffmann.com/fileadmin/feinleder_daten/Lederherstellung/Kleine_Lederfibel/Rund_um_s_Leder/lederfibel-Ordnung-und-mehr-de.pdf, accessed on: 03.07.2018.
