Property

4+2

5+2

7+2

Thickness

6 mm

7 mm

9 mm

Force Reduction

15.7%

19.3%

26.6%

Impact Resistance

20 Nm

17 Nm

18 Nm

IHF Seal of Approval

No

No

Yes

Badminton World Federation Approval

No

Yes

Yes

Associate of FIBA Approval

No

No

Yes

FIVB Recommended

No

No

Yes

Property

9+2

10+2

14+3

Thickness

11 mm

12 mm

17 mm

Force Reduction

29.7%

32.1%

48.1%

Impact Resistance

15 Nm

18 Nm

15 Nm

IHF Seal of Approval

Yes

Yes

Yes

Badminton World Federation Approval

Yes

Yes

Yes

Associate of FIBA Approval

Yes

Yes

No

FIVB Recommended

Yes

Yes

No

Property

7+2 TX

suitable for Tennis

Thickness

9 mm

Force Reduction

26.6%

Impact Resistance

18 Nm