Lining leather tannage

Vegetable tanned leather is ideally suitable for lining as a material capable of both absorbing and desorbing moisture thus enhancing foot comfort. Lining leather for the high class shoe trade are frequently made from calf skin which may be unsuitable for various reasons for the production of full chrome upper or clothing leather the poorer quality and cheaper end of a parcel of calf are often used for manufacturer of linings E.I kips as well as bovine bellies split to the required substance and lining as usual split to 1.2 mm

Delime                100 % water

Drum                  1 % Ammonium Sulphate

           Run 30 minutes

Add                    0.5 % Oropon

          Run 1 hour

Drain & wash for 20 minutes

Pickle                   60 % water

                              6 % salt

                              0.6 % suphuric acid

Add                       1 % Chromsol B Powder  

                              26 % Cr ₂O₃ 33 % basic

Run one hour and leave over night

Next morning well drain

Vegetable tan with 12 % Mimosa Powder

Pile for 24 hours, finish as desired