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

Table 1

Chemical composition of HGB.

Component	Content (%)
	55∼65
	26∼35
	0.2∼1
	0.5∼4
	0.5∼4
	0.2∼0.6
	1∼2
	0.5∼2