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Name: 0964 football mad god
Color: Figure (blue/purple)
Specification: 4
Material: high quality PVC (with liner)
The size of football standard (reference): The diameter of the ball by ball point 2/3/4/5 2: Children/Child game with the ball 3: Training for children to learn 4 ball: kick 5 or 7 games special ball 5: Standard 11 games with the ball
Mad god Sports Description: According to legend, then, fall into the cliff Zhongnanshan Yang Guo in the end, survived, been previous “isolated situation” of the relics, a moment that the word rusty copper Brand ~ ~ ~ ~ repeatedly try to figure out where the line between safety and putting Sha Zhao, closed-door training hard, and finally the enduring magic was invincible, he is handed one thousand old “mad god” heroes ~ ~ ~ ~ To commemorate Yang Guo, the latter who founded the “mad god sports brand ~ ~ ~ ~ God series with mad, mad feeling the breath of God, let God show you the style of the old wild, wonderful play, rout the opponent, you’re mad god ~ ~ ~ ~ ~ mad god of Shanghai famous brand sport now, China’s sports brands, the influence of increasingly strong brand, the product has a very high price.
[How to buy soccer:
1, the easiest way to select the trusted brand.
By the big brands are the formal requirements of OEM factory to produce, and more stringent quality requirements. Regular factory produced balls, the ball will be printed on the packaging or the name and trademark, and other information site, these companies production standards, strict management, focusing on process and product quality, and its products is relatively stable and reliable.
2, watching football material. General football PU or PVC outer layer is to do with the.
The difference between two different materials are as follows:
PU leather: environmental protection, soft feel, high elasticity, wear-resistant, cold, with surface water, pollution, sun and other great practical features, suitable for indoor and outdoor.
PVC leather: not environmentally friendly, feel hard, abrasion, folding, acid, etc. , but because of its poor permeability and moisture absorption, suitable for outdoor.
Most demand high-quality friends, preferred PU leather football, how to distinguish between two different materials? To provide the following some of the identification method: relatively easy to distinguish between PU, PVC is the way, from the corner to see, PU PVC thickness than the base fabric of many; In addition, there also feel the difference, PU’s soft to the touch of some; PVC feel more harder; there is PU pressed, the surface will wrinkle feeling, and how all PVC is relatively smooth; last more extreme method, you can use fire to burn, PU PVC taste than the taste of a lot to light.
3, see the process
Generally have a split seam and sewn soccer. Bought in the market are basically sewn soccer, and football are hand-stitched high-quality football, is not readily available. Then hand-stitched and sewn What is the difference? High-end hand-stitched ball is the ball, each pin of each chip are all handicrafts, multi-layer high-intensity Li Bujia solid, thick line, pinhole big, strong resistance to kick the ball; middle and low ball the ball is sewn, each pin of each chip are is sewn flat car with a high car, the last remaining two edges sewn by hand, fine lines, small pinhole, the ball can see the car the appearance of the suture.
4, the details of the inspection.
Check the football elasticity: the first ball into the appropriate filling pressure, and then hold up the ball, the ball at the bottom of the height of 1. 8m, let go to free fall to the ground, the flexibility of watching the ball, good ball elasticity 1. 2m ~ 1. 4 m between. Poor quality or high or low bouncing ball.
Check the value of the circumference of football: the standard size of the circumference of the ball make provision for the circumference of the value of football should be 675-710 mm. Circumference value of failure of the ball, not easy to use control, its trajectory will yield a larger deviation. Inspection method is to roll forward on the ball on the ground to observe its trajectory, the ball rolling line compliance comparison value, rather than the ball rolling standard deviation from the straight line trajectory of a lot. Or another way to check is to make the ball do the free-fall times, observe the bounce time is vertical, if the deviation is too large, is not up to the ball.
Check the tightness of the ball: the ball to focus on a variety of air-tightness check, ball requires no leakage, slow leak and so on. Common inspection approach is to charge the sphere to a certain pressure drop in the gas after the mouth with a clear, if small bubbles indicates leakage sphere.
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