Table 3: Design of RRA tests.

No.1st stage aging temperature/°C1st stage aging time/h2nd stage aging temperature/°C2nd stage aging time/min3rd stage aging temperature/°C3rd stage aging time/h

1190122402019012
2190122404019012
3190122406019012
4190122802019012
5190122804019012
6190122806019012