PTT
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.
Also called Polytrimethylene terephthalate, Triexta.
How it connects
PTT is a kind of Polyester.
Other kinds of Polyester: PBT, PET, PLA and Polyester resin.
In other taxonomies
- triextaFTC 16 CFR 303, triextathe same thing
- poly(trimethylene terephthalate)ISO 1043-1, PTTthe same thing
- polytrimethylene terephthalateWikidata, Q2252869nearly the same
- Uniclassno equivalent
For developersRecord, identifiers and graph
Where it sits
One rule per term beside it, taller for each narrower term
Record
- Also called
- Polytrimethylene terephthalate · Triexta
- Broader
- Polyester
- Provenance
- referencedcomposition dictionary in a materials-retrieval system (src-05); ISO 1043-1:2011+Amd 1:2016; US FTC 16 CFR 303.7, read 22 Sep 2026
For machines
Permanent address
/id/material/pttKnowledge graph
Stored incoming and outgoing relations from the public V1 graph. Ancestors, descendants, and siblings are labelled as derived views rather than stored facts.
- has-conceptMaterialincoming
- has-conceptMaterialincoming
- narrowerPolyesterincoming
- belongs-to-axisMaterialoutgoing
- belongs-to-facetMaterialoutgoing
- broaderPolyesteroutgoing
Derived hierarchy views
Crosswalks
| Scheme | Identifier | Their label, or the search | How close |
|---|---|---|---|
| FTC 16 CFR 303 | triexta | triexta | the same thing |
| ISO 1043-1 | PTT | poly(trimethylene terephthalate) | the same thing |
| Wikidata | Q2252869 | polytrimethylene terephthalate | nearly the same |
| Uniclass | no equivalent | searched 21 Oct 2026PTT | Polytrimethylene terephthalate | Triexta | ptt via https://uniclass.thenbs.com/download | none |