About PVC and PU leather

- Jan 02, 2018 -

PVC leather first plastic particles melt stirring into a paste in the manufacturing process, according to the provisions of the thickness of T/C knitted cloth evenly coated on the base, and then enter the foaming furnace for foam, which can adapt to the production of different products, different requirements of softness, surface treatment and dyeing, pressure (released grain, polishing, grinding, extinction suede, is mainly carried out in accordance with the specific requirements of the product).

PU leather is more complex in manufacturing process than PVC leather. Because PU's bottom cloth is a canvas PU material with high tensile strength, besides coating on the top of the base cloth, it can also contain the bottom cloth in the middle, so that the outer cloth can not be seen. The physical properties of PU leather are better than that of PVC leather. It is resistant to zigzag, softness, tensile strength and air permeability (PVC).

Because of the difference of raw material, the price of PU leather is more than twice as high as that of PVC leather, and the price of some special requirements for PU leather is 2 - 3 times higher than that of PVC leather. So many domestic manufacturers will use PVC to replace, they are doing so: first cloth coated with PVC (artificial leather) and coated with PU coating. This price can be significantly decreased, but PVC plasticizer in less than one year will be removed, resulting in synthetic leather (actually artificial leather) hard and brittle, so there are some customers to buy a new armored can be less than a year, while brittle cracking, which is called semi synthetic leather or semi PU leather.

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