PEO

polymer

PEO (polyethylene oxide) is a semi-crystalline synthetic polymer notable for its high water solubility, low toxicity, and excellent biocompatibility, making it distinct among commodity plastics. It is widely used in pharmaceutical delivery systems (as a matrix for controlled-release tablets and injectable formulations), cosmetics, personal care products, and industrial applications including adhesives and coatings. Engineers select PEO when water solubility, gentle dissolution profiles, or biomedical compatibility are critical—particularly in oral medications, wound dressings, and transdermal patches where its ability to form clear solutions and its low irritancy provide advantages over conventional polymers.

pharmaceutical delivery systemscontrolled-release tabletsbiomedical implants and coatingswater-soluble films and fiberscosmetics and personal careadhesives and binding agents

Compliance & Regulations

?UL 94?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Compressive Strength(σc)
ksi
Elongation at Break(εf)
-
Hardness (Vickers)(HV)
HV
Ultimate Tensile Strength(σUTS)
ksi
Young's Modulus(E)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Glass Transition Temperature(Tg)
°F
Melting Point / Solidus(Tm)
°F
Maximum Service Temperature(Tmax)
°F
Thermal Conductivity(k)
BTU/(hr·ft·°F)
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Refractive Index(n)
-
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Safety & Biocompatibility

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.
PEO — Properties & Data | MatWorld