Effect of Nanoclay Filler on Fatigue Life of Natural Rubber/Styrene-Butadiene Blend

Table 3

Mechanical properties of different rubber samples.

Row	Chemical material	Hardness (shore A)	Mean values of the tensile strength (MPa)	Standard deviation values	Mean values of tear strength (N/mm)	Standard deviation values
1	S70N30	44	6.78	0.86	11.23	0.96
2	S50N50	47	7.21	2.03	14.54	0.67
3	S40N60	49	7.82	0.58	19.07	1.14
4	S50N50C5	49	7.66	0.73	15.78	0.31
5	S40N60C3	51	9.73	0.62	16.87	0.17
6	S40N60C5	53	10.81	0.40	21.72	1.59
7	S40N60C7	52	10.24	1.25	20.16	2.11