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In Reply to: RE: Polypropylene vs. polystyrene for a Dynaco posted by Paully on June 20, 2008 at 07:17:01
If you look back at the articles by Jung and Marsh on capacitor selection, they felt that polystyrene was even better than polypropylene, and second only to teflon as a dielectric. The disadvantages of polystyrene were size (much bigger than polypropylene caps of the same value) and sensitivity to heat (i.e. being damaged by soldering irons or even touching a hot vaccum tube by accident).
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