Table 1.

Roughness parameters: data are mean ± SEM values (n = 9) of R_a and R_sk for the PDMS and TPU polymers filled with ZnO35 glass (0, 5, 15, 25, 35, 50 wt.%).

	TPU composites						PDMS composites
	P	P5	P15	P25	P35	P50	S	S5	S15	S25	S35	S50
Ra [µm]	0.23a ± 0.01	0.09 ± 0.01	0.12 ± 0.02	0.06 ± 0.01	0.05 ± 0.01	0.12 ± 0.01	0.05 ± 0.01a	0.21 ± 0.01	0.19 ± 0.03	0.22 ± 0.01	0.21 ± 0.02	0.22 ± 0.02
Rsk [µm]	−1.91 ± 0.67	−2.08 ± 0.97	−3.89 ± 1.70	−13.66 ± 3.40	−0.08 ± 0.04	−15.16 ± 9.00	−0.02a ± 0.01	−12.85 ± 7.55	−14.83 ± 7.90	−14.31 ± 4.30	−10.52 ± 7.40	−7.06 ± 4.85

Statistically significance (p < 0.05) is indicated by^a.