Table 4. Cure/Mechanical Properties of NBR/BR/CIIR Blends

B-1 B-2 B-3 B-4 B-5 B-6
ML (dNm) 0.345 0.339 0.329 0.308 0.298 0.272
MH (dNm) 2.349 2.363 2.205 1.856 1.498 1.214
ΔTorque (dNm) 2.004 2.024 1.876 1.548 1.200 0.942
T10 1’2” 1’2” 52” 47” 51” 37”
T90 3’41” 3’53” 4’26” 4’53” 5’45” 6’25”
Hardness (Shore A) 72 71 71 70 68 68
Tensile strength (kgf/cm2) 155.9 149.9 140.6 110.6 92.9 87.1
Elongation (%) 405.4 435.5 361.1 328.1 313.1 326.4
100% Modulus 33.6 24.7 32.1 28.0 26.7 29.3