Table 2.
XRD data of various recycled WPCs

Specimen	2θ (degree)	d-spacing (nm)
W-WPC95/NC5	4.38	2.01
W-WPC90/NC10	4.5	1.96
W-WPC85/NC15	4.48	1.97
W-WPC55/NC5/GFC40	4.32	2.04
W-WPC50/NC10/GFC40	4.54	1.94
W-WPC45/NC15/GFC40	4.66	1.89