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polyethylene terephthalate

type of polyester commonly used for bottles and clothing
Thing type_of_polymer Q145863
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Summary

polyethylene terephthalate is a type of polymer[1]. It ranks in the top 4% of type of polymer entities by monthly Wikipedia readership (10,363 views/month).[2]

Key Facts

  • Subclass of: polyester[3], thermoplastic[4]
  • Has use: PET bottle[5], textile[6]
  • Commons category: Polyethylene terephthalate[7]
  • Said to be the same as: Dacron[8]
  • Has part(s): oxygen[9], carbon[10], hydrogen[11]
  • Short name: PET[12], PETE[13]
  • Different from: polyester[14]
  • Density: 1.38 kilogram per cubic metre[15]
  • Melting point: 260 °C[16]
  • Boiling point: 350 °C[17]
  • Polymer of: terephthalic acid[18], ethylene glycol[19]
  • Tensile modulus of elasticity: 2800.3100 megapascal[20]
  • Relative permittivity: 3.25[21], 3.0[22], 2.8[23]
  • Recycling code: 01[24], 1[25]
  • CXSMILES: []CCOC(=O)c1ccc(cc1)C(=O)O[] |Sg:n:1,2,3,4,5,6,7,8,9,10,11,12,13,14::ht|[26]

Why It Matters

polyethylene terephthalate has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[27] It is known by 79 alternative names across languages and contexts.[28]

Related Entities

Varazze

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Integrated Authority File. wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . CRC Handbook of Chemistry and Physics (95th edition). wikidata.org.
  20. [22] ↑ . CRC Handbook of Chemistry and Physics (95th edition). wikidata.org.
  21. [23] ↑ . CRC Handbook of Chemistry and Physics (95th edition). wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] ↑ . Wikidata sitelinks. wikidata.org.
  3. [28] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). polyethylene terephthalate. Retrieved October 16, 2026, from https://4ort.xyz/entity/polyethylene-terephthalate
MLA “polyethylene terephthalate.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/polyethylene-terephthalate.
BibTeX @misc{4ortxyz_polyethylene-terephthalate_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{polyethylene terephthalate}}, year = {2026}, url = {https://4ort.xyz/entity/polyethylene-terephthalate}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): polyethylene terephthalate — https://4ort.xyz/entity/polyethylene-terephthalate (retrieved 2026-10-16)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13d ago · Egon Willighagen · 2026-10-03 view diff on Wikidata ↗
    Image → Bales of PET bottles 3.jpg, Plastic bottle.jpg, Polyester Shirt, close-up.jpg +1
    Claims rich → —
    "/* wbcreateclaim-create:1| */ Image: PET-Verpackung-offen.jpg, #quickstatements; #temporary_batch_1791046872089"
  2. 13d ago · Egon Willighagen · 2026-10-03 view diff on Wikidata ↗
    Sitelink count → 52
    Cxsmiles → [*]CCOC(=O)c1ccc(cc1)C(=O)O[*] |Sg:n:1,2,3,4,5,6,7,8,9,10,11
    Relative permittivity → {'amount': '+3.25'}, {'amount': '+3.0'}, {'amount': '+2.8'}
    Wikipedia languages → ['ar', 'az', 'azb', 'be', 'bg', 'bs', 'ca', 'commons', 'cs', 'da', 'de', 'el', '
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Cxsmiles: [*]CCOC(=O)c1ccc(cc1)C(=O)O[*] |Sg:n:1,2,3,4,5,6,7,8,9,10,11,12,13,14::ht|"
  3. 7w ago · Gmrozz · 2026-08-28 view diff on Wikidata ↗
    Relative permittivity → {'amount': '+3.25'}, {'amount': '+3.0'}, {'amount': '+2.8'}
    "/* wbcreateclaim-create:1| */ Relative permittivity: 3.25, #quickstatements; #temporary_batch_1787910955120"
  4. 20w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Tensile modulus of elasticity → {'unit': 'Q21062777', 'amount': '+2800.3100'}
    Polymer of → terephthalic acid, ethylene glycol
    Instance of → type of polymer
    Said to be the same as → Dacron
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007291966105171, mv to monolingual text names on J9U statements"
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