Table 2. Sealing (F
t
/F
0
), Chain Recombination (Q), and Parameter
a
of FKM O-rings at 120°C Aging Process.
F
t
/F
0
Q
a
1.0
0.0
-
0.9
0.147
1.47
0.8
0.298
1.49
0.7
0.438
1.46
0.6
0.584
1.46
0.5
0.76
1.52
0.4
0.888
1.48
0.3
1.043
1.49
0.2
1.176
1.47
0.1
1.287
1.43
Average
1.47
Deviation
±0.05