Answers are grounded in this paper and cite their sources.
It has been found that the electric strength of polythene increases by more than 50% under the effect of hydrostatic pressure and constraint. The electric strength appears to decrease with increase of thickness and with time of voltage application above a certain stress.
No takes yet. Share an insight, caveat, or question.
Parkman et al. (1965) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: