What is leather, with leather, PU, PVC fabric?
Leather: The leather products market is a common word, it is to distinguish synthetic leather and a habit called natural leather. In the consumer's perception, the "leather" also has a non-false meaning. It is mainly made from animal hide of work. Leather variety, species diversity, different structures, different quality, the price disparities. Thus, both the leather on all natural leather collectively, the commodity market is a vague identity. According to the physiological point of words, any animal skins have hair, epidermis and dermis. Since the dermis contains small fiber bundle web, so respective fields considerable strength and breathability. Located below the epidermis hair, close to the upper dermis, the epidermal cells of different shapes arranged composition. Thickness of the skin varies with the different animals, such as leather skin thickness is 0.5 to 1.5% of the total thickness; sheep skin and goat skin 2 to 3%; and pigskin, compared with 2 to 5%. Leather is located under the skin between the epidermis and subcutaneous tissue between, it is a major part of raw hides. Its weight or thickness of approximately 90% or more of rawhide.
With leather: leather is synthesized by some broken skin, the skin composition containing more than 30%, which we call with leather.
Leather: leather is the first invention of substitutes for leather fabric, which is made of PVC plasticizers and other additives composite rolling on the cloth, the advantage is cheap, rich colors, patterns range, the disadvantage is easy to change hard and brittle.
PU: PU is a man-made synthetic material with leather texture, very durable, and it is different from artificial leather. PU synthetic leather is used instead of PVC artificial leather, its price is higher than PVC artificial leather. From the chemical structure, it is closer to the cortex fabric, it does not need to achieve soft plasticizer nature, so he will not harden, become brittle, but also has rich colors, patterns many advantages, the price surpasses leather fabric cheap, so be welcomed by consumers.
