Soccer Balls and Stuff
The key element for one of the most popular sports in the world, soccer balls come in different designs, sizes and weights. The diversity also extends to the materials soccer balls are made of and the features of the final product. Consider the following technical details that few people know about the structure of the soccer balls.
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Several covering layers are included in the surface structure of the soccer balls and they are not made of natural leather as it may appear at first sight but rather from synthetic materials that keep the balls lightweight even when it’s damp outside. Poly vinyl chlorine or PVC and polyurethane or PU are the main materials used for synthetic leather production. Even the varieties of artificial leather remain a mystery to most soccer fans, because these patterns too, come in great number of varieties.
Depending on the design of the soccer balls, the various segments of the exterior cover, also known as the panels, present specific features. There can be 32, 26 or 16 panels with the mention that 32-panel variant is normally used in the majority of official games. Yet, the others are popular in all sorts of major leagues as well, mainly in England and Scotland. Soccer balls create nearly perfect spheres once the panels are sewn together and inflated.
A special material called the lining is used between the internal bladder that holds the air and the outer covering. These intermediary layer can be made of polyester or laminated cotton, thus contributing to the strength and the bounce properties of the finite product. For professional soccer balls, up to four or five linings are used, while promotional items and practice balls contain fewer such structures.
Differences of material do exist in the structure of the bladders as well. Soccer balls can be made either from latex or butyl. While natural rubber or latex creates a great surface tension, the tiny pores allow deflation over a certain period of time.
This means that you’ll have to re-inflate the ball at least once a week to maintain pressure and keep the ball practical. Butyl soccer balls present no air retention problem, but require valves to keep the air inside.
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