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Leather parts according to their composition and structure.
“Skin, leather is the same” is a common phrase to listen to but not by popular tells us that it is too true, although it is heading to refer to the same something makes it distant as its meaning.
When we talk about skin we refer to this part of the animal, as it comes from its origin that is without any treatment.
Leather, by contrast, means “skin of the animals, tanned”, that is, the “skin” has already been subjected to a tanning procedure that allows it to do so.
Being a material especially important in the construction of products, even more if it refers to footwear is valuable to understand its composition and structure, since it is these variables that bring transcendental characteristics to the final product differentiating even its price.
Leather parts according to their composition.
·Epidermis/ Flower.
Anatomically it is the “epithelial membrane that covers the most superficial part of the animals” in the field of leather goods is better known as flower.
Classification of the Flower.
Whole flower.
It is the best skin of all, as it presents the least amount of damage, this will not be corrected, polished or pigmented in excess.
It is ideal for footwear thanks to its thickness, breathability and aesthetic appearance, therefore its cost is the highest of all.
·Corrected flower.
As its name indicates, it is a type of skin in which the defects that may appear superficially through a frosting have been corrected, and then be pigmented or engraved.
After this procedure the result is a more economical material that although it has a good performance is less elastic and breathable.
Dermis/ Carnage.
It is the thickest layer located just below the epidermis, forming between them what is known as skin. For its location this layer has collagen providing an elasticity without equal to leather, being known within the industry as Carnaza. Even when it is removed from the flower by means of a machine, thick fibers of the skin remain in it that can even be observed in the final product; for footwear it results in a soft product to the touch but delicate in terms of stains or incidences of UV rays.
Understanding the two most important parts of the leather in terms of internal composition, it is also valuable to recognize the parts of the skin once it is in folded form that is, already detached from the animal, since this division will depend on the selection of the type of product to be built.
Leather or Leather parts according to their structure.
·Collar.
It is the front of the animal where the neck is located, by the place where it is arranged its appearance is irregular and with many wrinkles/ marks that are accentuated with the age of the animal, so its price is among the most economical.
It is used in the manufacture of belts, bags and gloves.
·Crupon/ Grupa/ Espaldilla.
It is the back or back of the animal, therefore the most extensive part of all and best used with high strength fibrous characteristics in which you can practically take advantage of it in its entirety. It is the most expensive leather part of all, intended for the production of furniture, saddlery and leather goods.
·Skirt/ Side/ Flank.
The lower part of the animal is the belly and legs, is inconsistent with very variable thickness and also weak if we refer exclusively to the side of the legs. It is intended for the manufacture of belts, bag bellows, lining, modeling and leather goods.
·Band/ Cowgirl.
It corresponds to half of an entire skin, thanks to this set turns out a delicate and flexible skin that is composed of a semi (half) collar, semi (half) crupon and a full skirt. It is the most used in the manufacture of footwear, boots and ankle boots.
