The variety of soccer balls refers to the size, design and weight differences between models. The diversity also extends to the materials soccer balls are made of and the features of the final product. Here are a few technical details on the structure and the making of soccer balls that many of us know nothing of when having fun in a nice game.
Several covering layers are included in the surface structure of the soccer balls and they are not made of natural leather as it seems at first sight but they are manufactured from lightweight plastic that keeps the balls dry. 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.
The specific features in the exterior cover of soccer balls consist of several segments known as panels. 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 encountered with some leagues in Scotland and England. 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. Laminated cotton or polyester are normally used for the intermediary layer, and they play an important part in the bouncing and strength features of the ball. In the professional design of soccer balls, up to five different linings can be used, although practice balls include fewer linings.
Differences of material do exist in the structure of the bladders as well. Soccer balls can be manufactured either from butyl or latex. While the surface tension brought by latex or natural rubber is unparalleled, the tiny pores in the structure of this material cause the soccer balls to deflate.
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 on the other hand have an excellent air retention capacity and rely on valves for this process.
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Tags: league, soccer, soccer_ball, soccer_field, sport