PTFE (Polytetrafluoroethylene)
Verifiedpolymer· PTFE· Teflon· polytetrafluoroethylene
PTFE (Polytetrafluoroethylene) is a synthetic fluoropolymer known for its exceptional chemical resistance, low friction coefficient, and non-stick surface properties. It is widely used in chemical processing equipment, pharmaceutical manufacturing, food handling systems, and sealing applications where corrosive environments or sterile conditions demand a material that won't degrade or contaminate. Engineers select PTFE when standard plastics or metals fail due to chemical attack, when low-friction sliding surfaces are critical, or when non-reactivity with aggressive fluids is essential—though its relatively low stiffness and creep under sustained load require careful design consideration.
chemical processing equipmentseals and gasketsnon-stick coatingspharmaceutical manufacturingfood handling and storagelow-friction bearing surfaces
Compliance & Regulations
?UL 94?Conflict Free?FDA?RoHS?REACH?TSCA?Prop 65
Property OverviewNormalized to typical max values
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | 20.99 | ksi | — | ||
Elongation at Break(εf) | 138.6 | - | — | ||
Flexural Strength (MOR)(σf) | 4.260 | ksi | — | ||
Hardness (Vickers)(HV) | 88.30 | HV | — | ||
Poisson's Ratio(ν) | 0.4600 | - | — | — | |
Stress–Strain Curve(σ–ε) | Curve (8 pts) | ksi | 20°C | ||
Ultimate Tensile Strength(σUTS) | 3.699 | ksi | — | ||
Yield Strength (0.2% offset)(σy) | 3.336 | ksi | — | — | |
Young's Modulus(E)2 entries | 72.52 | ksi | — | — | |
| ↳ | 158 | ksi | — | ||
Young's Modulus vs Temperature(E(T)) | Curve (5 pts) | ksi | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 219.6 | °F | — | ||
Melting Point / Solidus(Tm) | 621.4 | °F | — | ||
Maximum Service Temperature(Tmax) | 846.1 | °F | — | ||
Thermal Conductivity(k)2 entries | 0.1444 | BTU/(hr·ft·°F) | — | — | |
| ↳ | 0.1982 | BTU/(hr·ft·°F) | — | ||
Thermal Conductivity vs Temperature(k(T)) | Curve (6 pts) | BTU/(hr·ft·°F) | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.07948 | lb/in³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.938 | eV | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | 1.382 | - | — |
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.