[Retracted] Preparation and Properties of HGBTPU Composite Foam for Football Protection

Table 4

Content of HGB/TPU foam material.

Number	TPU (%)	HGB (%)	AC (%)
No. 1	100	0	1.5
No. 2	99	1	1.5
No. 3	97	3	1.5
No. 4	95	5	1.5
No. 5	93	7	1.5
No. 6	97	3	0.5
No. 7	97	3	1
No. 8	97	3	2
No. 9	97	3	2.5