Some Tanning Definition, Types of Leather
There is a rule, the higher the quality of the skin, the fewer steps in the technological cycle of processing to finished leather. The tasks of the processing of hides with good quality people (a person refers to the upper layer of skin) usually lies in the fact that a person was saved, and even stressed. On the finished product maintains the figure faces – wrinkles and pores, which are available on raw hides and skins. Putting a hand to the surface of the skin with a natural person (fool grain) you get a sense of natural elastic products.
Skins dairy calves (calf), while having a smaller thickness compared with the skins of adult animals, can compete with them for strength and durability. This is due to a thick and dense fiber structure of the skin of dairy calves. The processing of hides to finished leather can be simplistically viewed as a combination of three basic steps:
* Start-up phase (prior to tanning);
* Tanning;
* Finishing (dyeing, rolling, pressing, stamping, drawing the plastic coating, varnishing, polishing face, waxing, giving light, giving the water resistance, fire resistance, resistance to contaminants (stainproofing), etc.
Skin with a natural face painted with transparent aniline vegetable dyes, which give the skin a shade or color, not concealing it, a natural drawing faces. Most leather furniture is covered with special pigmented coating that allows for a smooth homogeneous color.
While many of the coating and processing techniques of the facial skin layers are not applied in order to conceal the existing facial skin defects should be treated with caution to the skins with an opaque, airtight and embossed cover. Skin with a natural person without a pigmented or plastic sheeting “breathe”, do not break the heat exchange between human body and the environment. Furniture leather with a natural person absorbs moisture, for it may treat the application of appropriate care. In the presence of plastic sheeting, often used, for example, the production of automotive leather, leather “not alive”, she eventually becomes rougher and tougher.
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