Page 67 - Damian Bogacki
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Tanning Proccess
Specifications On Tanning Of Leather
All cow breeds can be used to make leatherbut other
animals like sheep pigs and goats are also used around
the world.
69% 6%
As long as the hide is clean it can be used. The age of
the cow used depends on the size, breed and hair type
but most will beslaughtered at two years of age which Percentage of
is18 human years. Leather Sources:
The process of tanning dates back 400,000years where 13% 11%
it was mostlly used for shoes,clothing and shelter making.
Leather was usedbecause of its natural toughness, resistant
toscratches and tears and is easy to repair. Other: 1%
Full Grain
GRAIN Vegetable Tanning Process:
Genuine Leather Top Grain GRAIN/ CORIUM Curing Bringing moisture Remove hair and Defleshing
Dehairing
Rewetting
JUNCTION
Remove flesh and
Dehydrate
Split Leather CORIUM Grading back into the hide. Veg Tanning fat layers.
expose grain side.
raw hide
with salts.
Drying
Pre Tanning
Sort based Remove With natural tannins. With natural tannins.
on grain, moisture
quality, and flatten
FLESH thickness leather.
and size.
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