Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
PES, acronym for polyethersulfone, was a petroleum-based plastic. Its appeareance was "slightly amber, almost opaque". It was produced at least on the planet Lakertya. Contrarily to PHB, it was not biodegradable.