PU (polyurethane) faux (synthetic) leather material is using knitted fabrics, woven fabrics, or non-woven fabrics because the substrate and coated with polyurethane resin. https://walterychina.com/what-is-pu-leather/ The fabric can be utilized for a wide range such as for example shoes, apparel, furniture, handbags etc.
Real leather is peeled off from animals, like pigskin, sheepskin, crocodile skin, and so forth. The initial 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 in to the first-layer of leather. The next layer of leather is a combination of PU resin and the lower layer of skin or scrap material of the animal skin. The toughness, handfeel, and abrasion resistance of the second layer are much lower than the first layer of leather.
How exactly to distinguish real leather and PU leather?
First, we should identify from the aspects of leather pattern, pores, etc. Is seen in the surface of natural leather, the pores do exist, and the distribution is uneven, there’s animal fibers, side section, and the layers are obvious, and there’s animal fibers in the low layer. Try together with your fingernails, you will see leather fibers, there exists a feeling of napping, and handful of fibers could be removed, and the faux leather can easily see the fabric, there is no animal fiber in the medial side, and the general epidermal has no pores, however, many are imitation leather pores, you will see undesirable pores, a number of the patterns are not obvious, or have a compared artificial pattern, and the pores may also be quite consistent. At this time, they could be carefully observed by the aid of 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 is with far better properties than PU? The answer is not any. Real leather is expensive is due to its many reasons. Such as for example scarce sources and tedious processing of animal skins. Nowadays with the development of technology, nature leather cannot 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 USA, etc are highly respected and gradually choose innovative PU leather rather than real leather.