Noun
English Wikipedia has an article on:polyethersulfoneWikipedia
polyethersulfone (plural polyethersulfones)
(chemistry) Any of a family of thermoplastic polymers that are known for their toughness and stability at high temperatures. They contain the subunit aryl-SO2-aryl, the defining feature of which is the sulfone group.
Veradel® 3300 SL 30 from Solvay is a wear-resistant polyethersulfone (PESU) grade reinforced with carbon fiber, graphite and polytetrafluoroethylene (PTFE). Source: Internet
Veradel 3330GF is a 30% glass fiber reinforced grade of polyethersulfone (PESU). Source: Internet