@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix mi: <https://taxonomy.materialinstruments.com/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://taxonomy.materialinstruments.com/id/material/ptt>
  a skos:Concept ;
  skos:inScheme <https://taxonomy.materialinstruments.com/id/axis/material> ;
  skos:prefLabel "PTT"@en ;
  skos:definition "A thermoplastic polyester formed from 1,3-propanediol and terephthalic acid; fibre-grade material with a defined glycol content is recognised by the US FTC as triexta."@en ;
  skos:altLabel "Polytrimethylene terephthalate"@en ;
  skos:altLabel "Triexta"@en ;
  skos:broader <https://taxonomy.materialinstruments.com/id/material/polyester> ;
  skos:exactMatch <https://taxonomy.materialinstruments.com/ns/iso-1043-1/PTT> ;
  skos:closeMatch <http://www.wikidata.org/entity/Q2252869> ;
  skos:notation "triexta"^^<https://taxonomy.materialinstruments.com/ns/ftc-16cfr303> ;
  skos:notation "PTT"^^<https://taxonomy.materialinstruments.com/ns/iso-1043-1> ;
  mi:searchedWithout [ dcterms:date "2026-10-21" ; mi:query "PTT | Polytrimethylene terephthalate | Triexta | ptt" ; mi:scheme "uniclass" ; mi:via "https://uniclass.thenbs.com/download" ] ;
  mi:sourceBasis "referenced" ;
  dcterms:source "composition dictionary in a materials-retrieval system (src-05); ISO 1043-1:2011+Amd 1:2016; US FTC 16 CFR 303.7" ;
  dcterms:date "2026-09-22" ;
  mi:status "active" .