Table 6. Mechanical Properties of the T-1 to T-7 Vulcanizates

	Unit	T-1	T-2 (After)	T-3 (With)	T-4 (Before)	T-5 (After)	T-6 (With)	T-7 (Before)
100% modulus	MPa	2.5	2.2	2.1	2.2	4.0	3.4	3.1
300% modulus	MPa	12.0	9.8	10.1	10.1	15.5	14.3	13.3
Elongation at the break	%	425	520	555	545	435	435	390
Tensile strength	MPa	19.6	22.5	24.8	24.1	25.7	24.7	20.0