PU (polyurethane) faux (synthetic) leather material is using knitted fabrics, woven fabrics, or non-woven fabrics because the substrate and coated with polyurethane resin. The fabric can be utilized for a wide range such as shoes, apparel, furniture, handbags etc.
Real leather is peeled off from animals, like pigskin, sheepskin, crocodile skin, and so on. The first layer of leather is directly processed from the raw skin of varied animals or cut the thick skin of cattle, pigs, horses, etc into upper and lower layers. The upper part is processed into the first-layer of leather. The second layer of leather is really a combination of PU resin and the low layer of skin or scrap material of the animal skin. The toughness, handfeel, and abrasion resistance of the second layer are much lower compared to the first layer of leather.
How to distinguish real leather and PU leather?
First, we should identify from the aspects of leather pattern, pores, etc. Is seen in the top of natural leather, the pores do exist, and the distribution is uneven, there’s animal fibers, side section, and the layers are clear, and there’s animal fibers in the low layer. Try with your fingernails, there will be leather fibers, there is a feeling of napping, and handful of fibers could be removed, and the faux leather can see the fabric, there is absolutely no animal fiber in the medial side, and the general epidermal does not have any pores, but some are imitation leather pores, you will have undesirable pores, a few of the patterns are not obvious, or have a read more compared artificial pattern, and the pores are also quite consistent. At this time, they might be carefully observed by aid from magnifying glass, or can see the fine difference.
Generally speaking, the costs of real leather (especially the first layer leather) are very higher than PU leather, so is real leather has been much better properties than PU? The answer is not any. Real leather is expensive is because of its many reasons. Such as scarce sources and tedious processing of animal skins. Nowadays with the development of technology, nature leather can not achieve many excellent properties of PU leather especially solvent-free PU and DMF-free water-based PU. Due to their excellent physical & chemical properties, healthy & eco-friendly & animal-friendly performance, good uniformity, etc, Europe and United States, etc are highly respected and gradually choose innovative PU leather rather than real leather.