Table 2: Values of diffusion coefficients ( ) for snail shell powder filled natural rubber at different temperatures (filler particle sizes 0.075 and 0.300 μm).

SolventFiller content (g) (cm2/sec) (cm2/sec)
0.075 μm0.300 μm
313 K333 K353 K313 K333 K353 K

24.383.533.234.843.713.05
54.073.902.974.673.673.26
Benzene104.203.392.654.383.943.54
154.414.102.515.173.812.98
204.383.332.574.073.472.86

24.474.393.474.943.893.34
54.844.333.344.743.833.06
Toluene104.113.493.234.863.643.33
154.474.173.414.413.803.24
204.533.793.574.833.982.28

24.593.864.264.714.293.74
54.073.934.024.374.293.29
Xylene104.374.243.874.704.293.38
154.684.524.144.774.093.49
204.454.123.924.484.653.24