20 10 World Cup Football Weight and Materials

The ball for competition should be round, its shell should be made of leather or other recognized materials, and materials that may harm athletes should not be used in its structure.

The circumference of the ball shall not be greater than 7 1 cm or less than 68 cm. At the beginning of the game, the weight of the ball should not exceed 453 grams or less than 396 grams. After inflation, its pressure should be equal to 0.6- 1. 1 atmospheric pressure (sea level), which is equivalent to 600- 1 100g/cm'. During the match, the match ball shall not be changed without the permission of the referee.

Resolutions of the International Council:

(1) The match ball is the property of the association or club to which the venue belongs. At the end of the game, the ball should be given to the referee.

(2) The International Council decides the balling materials at any time. Any licensed materials must be approved by the International Council.

(3) According to the rules approved by the International Council, the equivalent weight of the ball is 14 to 16, that is, 396 to 453 grams.

(4) If the ball is broken or missed during the game, you should immediately stop the game and start the game with a new ball where the original ball was broken. Unless the ball is in the goal area at that time, in this case, the game should be resumed by landing the ball on the goal area line nearest to the ball and parallel to the goal line when the game stops.

(5) If the dead ball leaks, use a new ball according to the corresponding referee, and change the dead ball for the ball.

(6) Failure to do this will be regarded as irreplaceable.

20 10 Chinese translation of the ball "Celebrating the World Cup" in South Africa.

As the official ball for the 1 1 World Cup released by Adidas, this football design has devoted a lot of efforts to the sponsors and pinned the infinite hope of the host: the special ball is named "Celebrate the whole world", which comes from the Bantu Zulu language, meaning "Celebrate the whole world". . Football represents a passion that can integrate the whole world. As the name of the ball used in the new World Cup, "Celebrate the Whole World" well explains this passion and invites fans from all over the world to enjoy this football feast to be held in South Africa next summer.

Three-dimensional epidermis

In addition to the appearance, the 20 10 soccer ball for the World Cup in South Africa has achieved a historic breakthrough in technology: the eight skins of the ball are made of EVA and TPU, and the three-dimensional structure is realized by spherical molding, while the soccer ball is made of only eight skins.

Therefore, it can perfectly wrap the ball lining and make the football reach an unprecedented roundness, thus making "Celebrating with the World" the "roundest football" in history.

"Holding groove" sphere

Aerodynamic groove: According to the aerodynamic principle, the "Grip'n'Groove" sphere is embedded in a clear and visible aerodynamic groove at a proper position, making "Celebrate the Whole World" the most stable and accurate football in Adidas history. Grip: Following the introduction of the unique textured spherical surface in the European Cup last year, Adidas has innovated the spherical surface of the new World Cup ball. "Universal Celebration" excellent ultra-micro relief skin design further enhances the player's overall control of the ball in different weather conditions. Large-scale comparative tests at Loughborough University in England and Adidas Laboratory in Germany, as well as numerous wind tunnel tests, have proved that the accuracy and accuracy of "Universal Celebration" on the running line have reached an unprecedented height. At the same time, the aerodynamic grooves and ultra-fine convex surfaces on the ball have high-precision design, which also makes the ball have excellent stable flight trajectory and perfect handling under any weather conditions.