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Guaranteed to maintain excellent ball pressure thanks to Butyl / Latex bladder.
Thermobonded ball with excellent sphericity for optimal accuracy.
Optimum sphericity thanks to thermobonded construction.
5 mm foam outer cover for optimum comfort.
For this FIFA Pro quality football, our designers have used thermobonding technology (seamless) to guarantee perfect sphericity and more precise shots. In addition, this technology ensures better waterproofing while training in the rain. Finally, to optimise the sphericity of this ball, we chose a laminated bladder (fabric strip bonded to the latex bladder) to guarantee even more durable inflation.
FIFA PRO Quality Test
We have conducted numerous lab tests on the ball in order to provide the excellent accuracy that football players require while competing. Each test is presented below:
According to FIFA PRO standards, each F900 ball should weigh between 420 and 445 grams.
Between 68.5 and 69.5 cm.
Average measured variation: maximum 1.5%.
We measure the football's sphericity at 16 different points and examine the recorded discrepancies.
If the discrepancy is greater than 1.5% (FIFA PRO Standard), our engineers are tasked with improving the sphericity to ensure a consistent bounce.
Maximum pressure loss
We inflate the ball to the recommended pressure (meaning 0.8 bar).
72 hours later, the ball must not lose more than 15% of its pressure, meaning approx. 0.1 bar. The pressure after 72 hours must, therefore, be at approx. 0.7 bar.
This also means that it is quite normal for a ball to lose pressure after a few days.
We simulate rainy playing conditions in a lab by leaving the ball to sit in 2cm of water on a pivoting support whilst subjecting it to 250 compressions
At the end of the test, the ball can not have absorbed more than 10% of its weight, 43 grams for the F900. This is one of the advantages of the thermobonded process; water absorption is limited in comparison to other processes (machine-stitched for example)
Between 135 and 155 cm with a maximum difference of 10 cm between the ball's highest and lowest bounce. Each ball is dropped 10 times on a steel plate from a height of 2 metres.
Shape and pressure retention
The most demanding test that this ball is subjected to is the machine shot test.
Withstands up to 2500 shots against an inclined concrete surface at 50 km/h at a distance of 2.5 m.
At the end of the test, we check:
- the ball's general state: stitching must withstand this test
- the circumference: it must not have increased by more than 1.5 cm
- the sphericity: it must not have varied by over 1.5%
- the pressure: the ball's loss of pressure must not exceed 0.1 bar