Sphere Professional — Lab Test Results (Size 5, Outdoor)

TEST OUR RESULT FIFA QUALITY PRO  STANDARD STATUS
1. Circumference [cm] 68.8 68.5 – 69.5
2. Sphericity max [%] 1.1 ≤ 1.5
3. Rebound at 20°C [cm] 143 135 – 155
3. Rebound at 5°C [cm] 132 ≥ 125
3. Rebound difference [cm] 6 ≤ 10
4. Water Absorption [%] 4 ≤ 10
5. Weighing Value [g] 432 420 – 445
6. Loss of Pressure [%] (after 72 hrs) 8 ≤ 15
7. Shape Retention – Circ. change 0.8cm ≤ 1.5cm
7. Shape Retention – Sphericity 0.9% ≤ 1.5%
7. Shape Retention – Pressure 0.05bar ≤ 0.1bar
7. Shape Retention – Seams/valve No damage No damage