The leather and tannery world need knowledge into historical, science and above all chemistry field. Here you are some important information to satisfy the curiosity of both experts into this sector and who are not.
WHAT IS MADE THE LEATHER OF AN ANIMAL The leather is composed of water (about 65%), protein (about 33%) mineral material (about 0,5%). The remain is composed of fat materials, whose quantity depends on the animal: 2 – 6% for beeves and calves, 2 – 10% for goats, 5 – 30% for sheep. The leather is about the 10 % of the carcass or death animal.
WHAT IS THE CONTENT OF LEATHER? HOW DOES IT CHANGE FROM ANIMAL TO ANIMAL?
It is the structure of leather, for what regards thickness, fiber force and his consistency.