In terms of PU leather, it is also collectively referred to as two-layer cow leather, It is also called "artificial leather with cowhide fiber" ", it does not represent the leather of cattle, but represents the leftover material of cattle leather, which is made by adding polyethylene material after being broken, and the chemical material on the surface of polyethylene is made by covering PVC and PU film. In terms of artificial leather, it is used on non-woven or textile cloth base, because many Pu or PVC materials with different formulas are used for coating or foaming And make it successful.
In terms of the characteristics of PU leather, it mainly has a better fit between natural leather and folding fastness. And it can be bent to 200000 times at normal temperature without cracks at low temperature, and 30000 times without cracks. It is better in mechanical and temperature resistance, more moderate in elongation, more comfortable in skin feeling, higher in peel strength and tear strength, higher in tear force, wear resistance and tensile strength, and better in environmental protection. In terms of artificial leather, there are relatively many varieties and colors, relatively neat edges, better waterproof performance, higher price and utilization rate and cheaper leather.
In terms of application, PU leather is mainly used in the manufacture of clothing, vehicles, furniture, bags, shoes and so on. In terms of artificial leather, there is a kind of material that has been popular in the early stage, that is, the leather material commonly used to make all kinds of leather products.
In terms of lacquer leather, it is mainly to pulp some leather materials as leather, and then make them into leather! The feeling of plastic is very strong and relatively smooth on the surface. Leather, that is, the first layer of animal fur, is usually treated and processed when it is not synthesized. At present, the wrinkled patent leather is more widely used, so its main advantage is that it has a relatively good hand feel and a softer leather body. In the process of making wrinkled lacquer leather, the leather body must be softened first, and then it is no better than mirror lacquer leather in terms of brightness. Compared with the current wrinkled glass, the leather body is softer and has no cow leather characteristics. It is also more comfortable in the bag after making.