PTFE Tubes and Tubing for Chemical and High-Temperature Service

Pure and filled PTFE tube for fluid, electrical and semiconductor duty. PTFE tube is inert, non-stick and stable from cryogenic to 260 degC. We extrude it in pure and filled grades for fluid, electrical and semiconductor use. ID/OD and tolerance follow your drawing; we advise filled PTFE when you need less cold flow or better wear. Pure for chemical/inert duty; filled (glass, carbon, bronze) for l

WELLELE PTFE Tubes - manufacturer, specifications and applications

Pure and filled PTFE tube for fluid, electrical and semiconductor duty. PTFE tube is inert, non-stick and stable from cryogenic to 260 degC. We extrude it in pure and filled grades for fluid, electrical and semiconductor use. ID/OD and tolerance follow your drawing; we advise filled PTFE when you need less cold flow or better wear. Pure for chemical/inert duty; filled (glass, carbon, bronze) for l

Technical specifications

MaterialPTFE (pure / filled)
Temperature-200 to +260 degC
ChemicalNear-universal resistance
UseFluid, electrical, semiconductor

💾 Datasheets & Test Reports

Download the technical data sheet for this product (PDF).

Download PTFE Tube Datasheet PTFE Size Chart

Information required for quotation

Base tubeApproved material grade, ID, OD, wall and conditioning as per drawing
DatumsDrawing datum scheme and measurement reference
Key dimensionsFeature positions, depths, pitch and diameters reviewed before quotation
Thread / profileStandard or custom profile, class, depth, engagement and gage method
Other featuresHoles, slots, steps, chamfers, cuts and marking
AcceptanceTolerances, sampling, gages, FAI and inspection report
OrderPrototype and production quantity, packaging and delivery target

Applications by industry

Why PTFE for this application

PTFE's inertness and wide temperature window suit it for lines carrying aggressive chemicals or sitting near heat, with the lowest friction of common polymers for seal and guide use.

PTFE cold-flows under sustained load and is soft at high temp; confirm wall, creep and service temperature against the pressure/duty.

Standards: ASTM D3294, ISO 13000 (PTFE), FDA 21 CFR 177.1550 (grade dependent).

Not suitable for [application mismatch — state your duty: voltage class, arc exposure, continuous temperature and chemical environment]. We flag the correct grade during engineering review.

Feature and remaining-wall review

ID/OD sintered to size; CNC turning for ends, slots and holes. PTFE requires sharp tools to avoid chatter. Review feature depth, edge distance and remaining wall against critical geometries. Capability is confirmed on your drawing, not from a blanket tolerance.

Material conditioning may be required for dimensional stability — specify humidity and temperature exposure.

Inspection and traceability

We state the control plan with you. Batch traceability links raw material lot to finished part.

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Common questions

Is PTFE chemically inert?

Yes. PTFE resists all common acids, bases, solvents and fuels except molten alkali metals and fluorine at elevated temperature. No post-processing needed for chemical resistance.

What tolerances can you hold on PTFE tubing?

ID/OD ±0.05 mm on standard sizes; tighter tolerances available with grinding. PTFE is sized by sintering, so critical dimensions are best held by finish grinding after forming.

Can PTFE be threaded or machined?

PTFE can be CNC-turned for ends, slots and holes using sharp, low-speed tools to avoid chatter. Threads are best formed by machining rather than rolling.

Do you supply material certification for PTFE?

Yes. Each batch includes a material COA. First-article inspection and dielectric strength testing are available per your specification.

Pure or filled PTFE?

Yes. Each batch includes a material COA. First-article inspection and dielectric strength testing are available per your specification.

Engineering Guides & Selection Notes

Related technical articles that help specify this product.

Get pricing for PTFE Tubes and Tubing for Chemical and High-Temperature Service

Attach the drawing with annual volume. We check the material against your duty and tolerance, verify ID / OD / wall / features, and respond with manufacturability notes and pricing.

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