TABLE 1.

Mechanical properties of cellulose films.

Test items	Transparent cellulose film (90°C, 3 h)	Translucent cellulose film (80°C, 4 h)	Polyethylene film (Yaptenco et al., 2007)
Thickness, μm	21.1 ± 2.4 A#	23.1 ± 0.5 A	25.1 ± 0.6
Tensile strength, MPa	32.8 ± 7.2 A	77.0 ± 2.5 B	N/A
Extension at break, %	4.0 ± 0.5 A	3.1 ± 0.4 A	N/A
Water vapor transmission rate, g/(m2⋅24 h)	1,969.1 ± 88.5 A	1,765.9 ± 23.4 A	N/A
Gas permeability rate, g/(m2⋅24 h)	10,015.4 ± 1,117.1 A	9,325.8 ± 526.9 A	5,703.9–8,526.1

^#Values are expressed as mean ± SEM (n = 3). Values in the same row followed by the same uppercase letter are not significantly different at P = 0.05, according to Duncan’s multiple range test.