Qingdao PMST Chemical co.,Ltd

PVC material with PU material, what kind of difference 　　Many people do not know, in the end PVC material with PU material, what kind of difference. 　　PVC material in the manufacturing process will first hot-melt plastic granules into a paste with stirring, a predetermined uniform coating thickness in the T / C knitted fabric substrate, and then into the foaming furnace for foaming, so that it has to adapt to production of a variety of different products, different requirements softness, while in baked surface treatment (dyeing, embossed, polished, matting, grinding fluff, mainly in accordance with the specific requirements for the product). 　　PU material in the manufacturing process more complicated than the PVC material, since the base fabric is PU canvas PU material good tensile strength, in addition to the above may be coated base fabric, the base fabric may also be included in the middle, so that the outside fabric does not exist in the end. The physical properties of PU leathe...