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 μm).

SolventFiller content (g) (cm2 s−1 mol %) (cm2 s−1 mol %)
0.075 μm0.300 μm
313 K333 K353 K313 K333 K353 K

217.5616.2014.6319.4615.8013.24
516.3217.5913.1018.6815.6013.66
Benzene1015.7913.9010.7917.1316.7814.58
1516.0117.7110.4219.4415.4311.50
2016.2112.859.8214.6913.2610.95

216.2316.5914.1216.8013.7712.49
516.6015.6312.8315.6313.4811.35
Toluene1013.1512.0111.4315.5512.7812.19
1514.5714.0512.3413.9812.6911.28
2014.5215.5912.5315.0213.097.28

215.4713.2414.9114.5113.8612.58
512.6612.9313.3113.2813.6910.76
Xylene1012.8913.1412.3814.1012.8710.76
1513.5713.5112.8813.7912.1110.44
2012.6412.1111.6013.2212.939.56