polyethylene glycol

polymer

Polyethylene glycol (PEG) is a synthetic polymer composed of repeating ethylene oxide units, available in a wide range of molecular weights from liquid to solid forms. It is widely used in pharmaceutical delivery systems, cosmetics, lubricants, and industrial processing due to its water solubility, biocompatibility, and non-toxic profile. Engineers select PEG for applications requiring controlled dissolution, viscosity modification, or as a processing aid, and it is often chosen over alternatives when biocompatibility or regulatory approval in food and medical contexts is required.

pharmaceutical drug deliverycosmetics and personal careindustrial lubricants and coolantsfood processing additivesmedical device coatingspolymer processing aids

Compliance & Regulations

?UL 94?Conflict Free?FDA?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Compressive Strength(σc)
Pa
Elongation at Break(εf)
-
Flexural Strength (MOR)(σf)
Pa
Ultimate Tensile Strength(σUTS)
Pa
Young's Modulus(E)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Glass Transition Temperature(Tg)
K
Melting Point / Solidus(Tm)
K
Maximum Service Temperature(Tmax)
K
Thermal Conductivity(k)
W/(m·K)
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.