What is the material of the ball in the NBA game?

Spalding basketball is the designated ball for NBA professional basketball games in the United States! \x0d\ epidermis \x0d\① Cowhide: provided by GANASON, a world-famous leather manufacturer, the first layer of natural cowhide is selected for manufacturing the top products in Spalding brand basketball series. This basketball emphasizes the touch of ball control, the skin is sweaty but not sticky, the bounce is soft and moderate, and it is easy to control. However, it is expensive and difficult to maintain. Only used for indoor wood floors, usually used for professional competitions. This basketball is used in NBA professional leagues in the United States. \x0d\② ZK superfine fiber: a synthetic material containing "Spalding" patented ingredients. Compared with natural leather, it has the advantages of delicate feel, sweat absorption and anti-slip, wear resistance and mildew resistance, and easy maintenance. Basketball made of it is usually used by professional teams for training and competition. At present, this kind of basketball made of ZK microfiber is used in the official competition of CBA Men's Basketball League and the training of teams in China. \x0d\③ PU synthetic leather: With the strengthening of people's awareness of environmental protection, PU synthetic leather is a new material to replace traditional natural cowhide products. Basketball made of it has the advantages of waterproof, wear-resistant, mildew-proof and suitable for indoor and outdoor use. Although it is also called PU synthetic leather, there are many kinds and grades on the market. In order to ensure product quality and prevent counterfeiting, we only use special PU synthetic leather materials imported from Yantai Leather Factory, the largest leather factory in China. \x0d\④ PVC synthetic leather: Although it is slightly inferior to PU synthetic leather in hand feel and low temperature resistance, it is superior to PU synthetic leather in water resistance, wear resistance, mildew resistance and salt and alkali resistance, and it is a very good skin material for indoor and outdoor basketball. Similarly, we only use special PVC synthetic leather materials provided by imported and domestic professional leather factories. \x0d\⑤ Synthetic rubber: "Spalding" has a patented double-layer synthetic rubber production process, which has leather-like feel and excellent waterproof, wear-resistant, mildew-proof and salt-alkali resistance, and is the best outdoor popular basketball leather material. Through traditional technology, high-quality Spalding synthetic rubber basketball has changed people's one-sided view that rubber basketball is a low-grade inferior ball. \x0d\x0d \ Lining \ x0d "Spalding" and "Jia Wei" basketball are lined with special butyl rubber produced by our factory, and the raw material is imported raw rubber, which has high purity, few impurities and stable performance. Through the treatment of patented technology and the use of special additives, this kind of liner has unique rebound flexibility and good air tightness. Bouncing is soft and stable, which is the internal source of delicate feel of high-quality basketball. Good feel will certainly bring good confidence. \x0d\x0d\ middle tire \ x0d \ The manufacturing process of the middle tire between the inner container and the outer skin plays a vital role in the overall performance of basketball. Spalding's special manufacturing technology of middle tire makes the middle tire play a good role in control, support and transition. \x0d\x0d\ ball mouth \ x0d \ Different from other kinds of balls, "Spalding" and "Jia Wei" basketball also adopt self-made special ball mouth, which has unique structure and assembly mode, and has the advantages of air leakage prevention, waterproof and replaceable. \x0d\x0d \ winding \ x0d "Spalding" brand basketball has high requirements on the winding process of the inner container, which is the key to ensure that the ball is firm and not easy to deform, elastic and textured, and the ball flies and rotates stably and accurately when shooting. \x0d\① The yarn winding process adopts specially modified equipment to ensure the accuracy and uniformity of yarn winding angle change; \x0d\② Imported high-density nylon wires must be used instead of PE wires to ensure the firmness and toughness of the winding layer; \x0d\③ Glue used in yarn winding is also an important link to ensure the quality of finished products. Spalding only uses special glue prepared by patented technology; \x0d\④ Through long-term practice, Spalding also adopted different winding lengths according to the characteristics of different kinds of balls and their use environment, striving to make each basketball show the best use effect, but the total number of windings was controlled between 2,200 and 2,400.