Ultrason E, S, P product information by BASF (source code)

= Ultrason E, S, P product information by BASF
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https://plastics-rubber.basf.com/emea/en/performance_polymers/products/ultrason

Originating manufacturer technical information. Product Range identifies polyethersulfone(PESU), polysulfone(PSU) and polyphenylsulfone(PPSU) as distinct amorphous thermoplastic families. Original product brochure https://www.basf.com/dam/jcr%3Acb9e928f-9c26-3ceb-9a08-f7cc23f160bf/basf/www/cn/documents/en/chinaplas/UltrasonESPproductbrochureEN.pdf , printed p.10, identifies the families and corresponding repeat-structure diagrams; full PDF retrieval exceeded the browser size limit, so no visual inspection is claimed. No universal grade-independent service limit inferred.