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Leather Bible
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1. The Leather tanning process.
1.1 Raw material
Raw hides arrive at the tannery preserved in salt.
They are stiff and need to be soaked to make them pliable so the tanning process
can begin.
This is called "WET BLUE PROCESS"
1.2 Fleshing
The wet hides are run through twin rollers.
One equipped with knives, the other covered with rubber.
This removes unwanted fat and flesh.
1.3 Liming
Hides are put in drums and rinsed in fresh water for 24 hours.
Hides are now returned to original condition ready for tanning.
Lime & acids are added to remove hair.
1.4 Splitting
Hides are now split.
The splitter has 2 cylinders between which a sharp running blade slices the hide in half.
The top layer is called "TOP GRAIN" ,the bottom layer is called "SPLIT"
1.5 Tanning
The chemical process by which raw hides are preserved and turned into leather..
Hides are tanned with chromium salts = CHROME TANNING
Hides are now light blue and ready for dying.
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