PBT

A thermoplastic polyester formed from 1,4-butanediol and terephthalic acid, used as an engineering plastic.

Also called Polybutylene terephthalate.

Where PBT sits among every term. Drag to turn; choose a dot to open it.

How it connects

PBT is a kind of Polyester.

Other kinds of Polyester: PET, PLA, Polyester resin and PTT.

In other taxonomies

poly(butylene terephthalate)ISO 1043-1, PBTthe same thing
polybutylene terephthalateWikidata, Q145445nearly the same
Uniclassno equivalent

For developersRecord, identifiers and graph

Where it sits

One rule per term beside it, taller for each narrower term

Polymer

Polyester5

PBT

5 terms, PBT to PTT

Record

Also called: Polybutylene terephthalate
Broader: Polyester
Provenance: referencedcomposition dictionary in a materials-retrieval system (src-05); ISO 1043-1:2011+Amd 1:2016, read 22 Sep 2026

For machines

Permanent address

/id/material/pbt

This termGET /v1/concepts/material/pbt
The word, every meaningGET /v1/term/pbt

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Knowledge 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
belongs-to-axisMaterialoutgoing
belongs-to-facetMaterialoutgoing
broaderPolyesteroutgoing
narrowerPolyesterincoming

Derived hierarchy views

ancestor (derived)Polyesteroutgoing
ancestor (derived)Polymeroutgoing
sibling (derived)PEToutgoing
sibling (derived)PLAoutgoing
sibling (derived)Polyester resinoutgoing
sibling (derived)PTToutgoing

Crosswalks

External mappings and dated negative results for PBT
Scheme	Identifier	Their label, or the search	How close
ISO 1043-1	PBT	poly(butylene terephthalate)	the same thing
Wikidata	Q145445	polybutylene terephthalate	nearly the same
Uniclass	no equivalent	searched 21 Oct 2026PBT \| Polybutylene terephthalate \| pbt via https://uniclass.thenbs.com/download	none