The raw-hide

The tanning industry calls hides and skins customarily the raw-hides. They contain three different layers: epidermis, corium and subcutis.

Only the corium can be used for the leather production. The corium is composed mainly of structured proteins (collagen).

Hides are delivered salt-cured or fresh (cooled). The advantage of the salt-cured preservation is the good stockability. Fresh hides, however, need to be put into work immediately, but avoid chlorides, i.e. salt in the waste water.