Table 11. Mechanical Properties of the Compounds by Changing Sulfur/CBS Content
T-3
T-4
T-5
T-6
T-7
Hardness (Shore A)
69
70
71
72
73
M
300%
(kgf/cm
2
)
90.8
115.3
134.3
154.9
170.7
Elongation at break (%)
560
500
440
410
370
Tensile strength (kgf/cm
2
)
240
240
230
240
230
Toughness (kgf*%/cm
2
)
55,300
51,100
43,200
41,400
35,900