PTFE Tube — Material Specifications, Engineering Data & OEM Supply
Engineered by HEMSUN ENGG. INDUSTRIES, PTFE Tube is designed for demanding valve, pump, and mechanical sealing duties. Built from high-purity PTFE fluoropolymer to withstand temperatures from -200°C to +260°C with zero chemical degradation in harsh media.
Where PTFE Tube is used
Fluid transfer and protection duty where the bore must stay chemically inert and non-stick across a wide temperature band.
PTFE suits tubing because the bore stays non-stick and inert, so residue does not build and cleaning is straightforward.
Key properties
In-house PTFE Tube production
moulding and CNC under one roof
Drawing, CAD (STEP/IGES/DXF), or sample-based reverse engineering
PTFE grade options matched to chemical and thermal duty
Dimensional inspection with reports on request
IEC-registered exporter
worldwide packing and docs
Flexible MOQ
prototypes, pilot lots, recurring OEM supply
Specifications
| Property | Value |
|---|---|
| Component Type & Grade | PTFE Tube (Specification Code HES-304) |
| Base Raw Material | PTFE fluoropolymer (Virgin FDA 21 CFR 177.1550 / Custom Filled) |
| Continuous Service Temp. | -200°C to +260°C (-328°F to +500°F) |
| Tensile Strength at Break | 20 to 35 MPa (Virgin) / 14 to 25 MPa (Filled) |
| Elongation at Break | 250% to 450% (ASTM D4894) |
| Specific Gravity / Density | 2.14 to 2.18 g/cm³ (ASTM D792) |
| Dielectric Strength | 50 to 80 kV/mm (0.1 mm film) |
| Surface Roughness Finish | Diamond Polished Ra ≤ 0.20 µm to Ra ≤ 0.40 µm |
| Dimensional Tolerance | ISO Grade 1 to Grade 3 / Drawing Nominals (±0.02 mm) |
| Manufacturing & Origin | Moulded, Sintered & CNC Machined in Dahegam, Gandhinagar, Gujarat, India |
Manufacturing process
Fabrication of PTFE Tube relies on high-tonnage powder compaction and free sintering of PTFE fluoropolymer. Preforms are pressed under strict pressure dwell parameters, then heat-treated above 342°C in forced-convection ovens to bond resin granules into a void-free, chemically resilient matrix.
Material selection notes
Engineered from high-purity PTFE fluoropolymer, this component resists virtually all industrial acids, alkalis, and aggressive organic solvents. The non-stick, self-lubricating surface minimizes drag and prevents material buildup in fluid handling systems. Compressive deformation under load is optimized through tailored filler grades based on service pressure.
How to specify your order
Sizing and ordering PTFE Tube: Share drawing files (STEP/PDF), annual volume projections, and any compliance requirements (FDA, USP Class VI). Our technical department confirms tooling costs, sample schedules, and volume production lead times.
Quality checks and inspection
Testing procedures for PTFE Tube include optical comparator profile inspection, hydrostatic pressure holding tests on seal components, and material hardness checks (Shore D) to verify full sintering cure.
Ordering and export documentation
Domestic PTFE Tube orders ship with GST invoice and e-way bill where applicable. Export orders include commercial invoice, packing list, and certificate of origin from our IEC-registered works. Material certificates and dimensional reports attached for qualified pharmaceutical and OEM shipments Contact info@hemsun.com or sales@hemsun.com with your tubes specification.
Export packing and lead time
Export logistics for PTFE Tube cover global delivery via air freight or ocean container through Mundra and Nhava Sheva ports. Products are packed with protective foam wrapping and moisture-barrier film inside export-grade wooden crates, accompanied by certified commercial invoices and Certificates of Origin.
Storage and handling
Assembly recommendations for PTFE Tube: Use non-metallic insertion tools to press components into tight bores. Store stock in climate-controlled shelving away from direct heat sources.
Compliance & Standards
HEMSUN is a DGFT IEC registered exporter (Government of India). Billet density is checked per ASTM D792 and tensile and elongation per ASTM D4894 before cutting, so machining stock arrives fully sintered. A mill test certificate stating the lot and measured values ships with the order. Export paperwork — commercial invoice, packing list and certificate of origin — accompanies international despatch.
Frequently Asked Questions
What PTFE Tube options does HEMSUN manufacture?
Engineered by HEMSUN ENGG. INDUSTRIES, PTFE Tube is designed for demanding valve, pump, and mechanical sealing duties. Built from high-purity PTFE fluoropolymer to withstand temperatures from -200°C to +260°C with zero…
Can you supply PTFE Tube for OEM and export orders?
Yes. We support prototype lots, recurring OEM programmes, and export packing with material certificates and dimensional inspection reports on request. Typical RFQ response is within one business day when drawings are complete.
How do I request a quote for PTFE Tube?
Send material grade, dimensions or drawing, quantity, application media, and operating temperature/pressure via https://hemsun.com/contact. Our engineering team confirms manufacturability, lead time, and pricing.

