Table 4:
Values of the permeability coefficient (
) for snail shell powder filled natural rubber at different temperatures (filler particles sizes 0.075 and 0.30
μ
m).
Solvent
Filler content (g)
(cm
2
s
−1
mol %)
(cm
2
s
−1
mol %)
0.075
μ
m
0.300
μ
m
313 K
333 K
353 K
313 K
333 K
353 K
2
17.56
16.20
14.63
19.46
15.80
13.24
5
16.32
17.59
13.10
18.68
15.60
13.66
Benzene
10
15.79
13.90
10.79
17.13
16.78
14.58
15
16.01
17.71
10.42
19.44
15.43
11.50
20
16.21
12.85
9.82
14.69
13.26
10.95
2
16.23
16.59
14.12
16.80
13.77
12.49
5
16.60
15.63
12.83
15.63
13.48
11.35
Toluene
10
13.15
12.01
11.43
15.55
12.78
12.19
15
14.57
14.05
12.34
13.98
12.69
11.28
20
14.52
15.59
12.53
15.02
13.09
7.28
2
15.47
13.24
14.91
14.51
13.86
12.58
5
12.66
12.93
13.31
13.28
13.69
10.76
Xylene
10
12.89
13.14
12.38
14.10
12.87
10.76
15
13.57
13.51
12.88
13.79
12.11
10.44
20
12.64
12.11
11.60
13.22
12.93
9.56