Product Description of Polyether ether ketone CAS#29658-26-2
Polyether ether ketone (PEEK), alternatively named poly(oxy‑1,4‑phenylene‑oxy‑1,4‑phenylene‑carbonyl‑1,4‑phenylene), is a semi‑crystalline aromatic thermoplastic polymer featuring outstanding thermal stability, mechanical strength and broad chemical resistance. It is available as granules, powder or semi‑finished stock shapes.
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Chemical Properties of Polyether ether ketone CAS#29658-26-2
Product Name: | PEEK |
Synonyms: | 4,4’-Difluorobenzophenone,hydroquinonepolymer;Methanone,bis(4-fluorophenyl)-,polymerwith1,4-benzenediol;PEEK;polyetheretherkrtone;Polyetheretherketone(peek);Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene) average Mw ~20,800, average Mn ~10,300;PEEK ISO 9001：2015 REACH;4,4'-Difluorobenzophenone-hydroquinone copolymer |
CAS: | 29658-26-2 |
MF: | C19H14F2O3 |
MW: | 328.31 |
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Mol File: | 29658-26-2.mol |
Melting point | 322°C |
density | 1.3 g/mL at 25 °C(lit.) |
solubility | all common solvents: insoluble |
form | tubes |
color | gray |
InChI | InChI=1S/C13H8F2O.C6H6O2/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10;7-5-1-2-6(8)4-3-5/h1-8H;1-4,7-8H |
InChIKey | JUPQTSLXMOCDHR-UHFFFAOYSA-N |
SMILES | OC1C=CC(O)=CC=1.C(C1C=CC(F)=CC=1)(C1C=CC(F)=CC=1)=O |
Surface tension | 42.1mN/m at 20°C |
EPA Substance Registry System | Methanone, bis(4-fluorophenyl)-, polymer with 1,4-benzenediol (29658-26-2) |
Safety Information of Polyether ether ketone CAS#29658-26-2
WGK Germany | 3 |
TSCA | TSCA listed |
Storage Class | 11 - Combustible Solids |
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Product Application of Polyether ether ketone CAS#29658-26-2
In medical applications, it can be machined into implant parts, surgical instruments and sterilizable devices as an alternative to metal components. Industrially, it manufactures semiconductor jigs, automotive precision parts, oil‑gas seals, gears, bearings and chemical‑resistant equipment parts. It can be processed by injection molding, extrusion, CNC machining and additive manufacturing; unfilled, glass‑filled and carbon‑fiber‑reinforced grades are commercially available for different performance requirements.
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