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. 2022 Aug 17;12(8):789. doi: 10.3390/membranes12080789

Table 5.

Thickness, density, tensile strength and hardness values of the control and SFOC films.

Sample Thickness,
Mm
Density,
g/cm3
TS,
MPa
Hardness,
N
Control 0.029 ± 0.01 a 1.53 ± 0.03 a 27.11 ± 1.97 a 25.11 ± 0.19 a
SFOC1 0.034 ± 0.002 b 1.45 ± 0.03 a,b 22.15 ± 1.36 b 22.26 ± 0.74 b
SFOC2 0.040 ± 0.002 c 1.39 ± 0.01 b 18.24 ± 0.22 c 21.89 ± 0.26 c
SFOC3 0.041 ± 0.003 c 1.38 ± 0.02 b 15.73 ± 0.28 d 18.39 ± 1.69 d
SFOC4 0.043 ± 0.003 c,d 1.25 ± 0.04 c 12.17 ± 0.39 e 15.70 ± 0.50 e
SFOC5 0.044 ± 0.003 d 1.04 ± 0.01 d 8.66 ± 0.77 f 12.52 ± 0.50 f

When followed by different superscript letters (a, b, c, d, e, f) they are statistically different at 95% confidence level.