Sample

X_c (%)

2θ

Pure PVA

11

20.0˚

PVA + 0.1% TiO₂

16

19.7˚

PVA + 0.2% TiO₂

9

20.7˚

PVA + 0.3% TiO₂

9

20.6˚

PVA + 0.1% ZnO

12

19.3˚

PVA + 0.2% ZnO

10

20.4˚

PVA + 0.3% ZnO

10

20.4˚

PVA + 0.1% ZrO₂

14

19.7˚

PVA + 0.2% ZrO₂

8

20.4˚

PVA + 0.3% ZrO₂

9

20.5˚