?Pickling? of the sheepskin then takes about 16 hours. Before the sheepskin can be tanned, they must be ) pickled. Pickling means soaking the skins in an answer of acid and salt. Including salt prevents any potential swelling of the skins due to the acid. It?s necessary to lower the inner pH of the skins to somewhere between 2.8-3.zero, which is able to allow the tanning agent to correctly penetrate the pores and skin.
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