Shenzhen Forbest manufactures Teflon tubing from virgin polytetrafluoroethylene (PTFE) resin. Our extruded tubing serves applications requiring chemical inertness, high temperature stability, and low friction. Industries served include chemical processing, semiconductor manufacturing, aerospace, medical devices, and analytical instrumentation
Teflon tubing, manufactured from polytetrafluoroethylene (PTFE), represents the highest performance standard in fluoropolymer tubing. Shenzhen Forbest operates as a Teflon tube China supplier and manufacturer, producing precision-extruded tubing for industries requiring material stability under extreme conditions.
PTFE tubing maintains structural integrity across an exceptionally wide temperature range. Continuous service from -240°C to +260°C is achievable, with intermittent exposure to higher temperatures possible depending on application requirements . This thermal stability exceeds that of any other flexible tubing material, making PTFE suitable for cryogenic and high-heat applications alike
Chemical Compatibility
PTFE is the most chemically resistant plastic available commercially . It is unaffected by:
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Strong mineral acids (sulfuric, hydrochloric, nitric, hydrofluoric)
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Strong bases (sodium hydroxide, potassium hydroxide)
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Organic solvents (ketones, esters, aromatics, chlorinated solvents)
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Oxidizing agents
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Fuels and oils (gasoline, diesel, jet fuel, hydraulic fluids)
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Halogens and halogenated compounds
Dimensional Specifications
Shenzhen Forbest produces Teflon tubing in the following standard ranges. Custom dimensions are available for OEM requirements.
| Inner Diameter (mm) | Outer Diameter (mm) | Wall Thickness (mm) | Working Pressure (psi) |
|---|---|---|---|
| 2.0 | 3.0 | 0.5 | 220 |
| 3.0 | 4.0 | 0.5 | 200 |
| 4.0 | 6.0 | 1.0 | 180 |
| 5.0 | 8.0 | 1.5 | 160 |
| 6.0 | 8.0 | 1.0 | 170 |
| 8.0 | 10.0 | 1.0 | 160 |
| 8.0 | 12.0 | 2.0 | 220 |
| 10.0 | 12.0 | 1.0 | 150 |
| 10.0 | 14.0 | 2.0 | 200 |
| 12.0 | 14.0 | 1.0 | 140 |
| 12.0 | 18.0 | 3.0 | 250 |
Manufacturing Process
As a Teflon tubing manufacturer, Shenzhen Forbest employs ram extrusion technology for PTFE tubing production. The process involves:
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Preforming: Virgin PTFE resin is compressed into a cylindrical billet at room temperature
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Extrusion: The preform is forced through a heated die and over a mandrel to form the tube cross-section
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Sintering: The extruded tube passes through a precisely controlled oven where PTFE particles fuse at 327-380°C
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Cooling: Controlled cooling prevents internal stresses and ensures dimensional stability
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Cutting and Spooling: Tubing is cut to specified lengths or wound onto spools
PTFE tubing offers distinct advantages over other materials commonly used in fluid handling and cable protection applications .
| Property | PTFE (Teflon) | FEP | PFA | Nylon | Silicone |
|---|---|---|---|---|---|
| Temperature Range | -240 to 260°C | -200 to 204°C | -200 to 260°C | -40 to 120°C | -60 to 200°C |
| Chemical Resistance | Excellent | Excellent | Excellent | Good | Fair |
| Coefficient of Friction | 0.05-0.10 | 0.08-0.15 | 0.10-0.20 | 0.20-0.30 | 0.25-0.40 |
| Flexibility | Moderate | Good | Good | Good | Excellent |
| Transparency | Translucent | Clear | Clear | Opaque | Clear |
| FDA Compliance | Yes | Yes | Yes | Yes | Yes |
| Relative Cost | High | Moderate | High | Low | Moderate |
Industry Applications
Chemical Processing
PTFE tubing serves in aggressive chemical transfer lines, instrument connections, and sampling systems. Its inertness prevents contamination of process streams and ensures long service life in corrosive environments .
Semiconductor Manufacturing
The ultra-high purity requirements of semiconductor fabrication demand materials that do not leach contaminants. PTFE tubing, manufactured to strict purity standards, is used in chemical delivery systems, deionized water lines, and exhaust handling .
Aerospace and Defense
PTFE tubing is specified for fuel lines, hydraulic systems, and wire insulation in aircraft and spacecraft. Its combination of chemical resistance, temperature stability, and low weight meets rigorous aerospace requirements .
Medical and Pharmaceutical
FDA-compliant virgin PTFE tubing is used in medical devices, laboratory equipment, and pharmaceutical processing. The non-stick surface prevents adhesion of biological materials and facilitates cleaning and sterilization .
Food and Beverage Processing
PTFE tubing meets FDA requirements for food contact applications. Its non-stick, easy-clean surface prevents bacterial growth and allows sanitary operation in food processing lines .
Electrical and Electronics
PTFE’s excellent dielectric properties make it ideal for wire insulation, coaxial cable spacers, and high-voltage applications. Dielectric strength of 500 volts per mil provides reliable electrical isolation
Special Configurations
Shenzhen Forbest offers Teflon tubing in specialized configurations for unique applications:
Multi-Lumen Tubing
Extruded tubing with two, three, four, or five parallel passages for applications requiring multiple fluid paths in a single tube .
Heavy-Wall Tubing
Thick-walled tubing for high-voltage insulation, structural applications, or components requiring machining .
Convoluted Tubing
Corrugated PTFE tubing that combines chemical resistance with enhanced flexibility and bend radius .
Filled PTFE Compounds
PTFE compounded with fillers including glass fiber, carbon, graphite, or bronze to enhance mechanical properties for specific applications
Quality and Compliance
Shenzhen Forbest manufactures Teflon tubing under ISO 9001 quality management systems. Our products comply with:
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FDA 21 CFR 177.2600: Food contact approval for virgin PTFE
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RoHS: Restriction of hazardous substances
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REACH: Registration, evaluation, authorization of chemicals
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UL94 V-0: Flame retardancy classification
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ASTM D3295: Standard specification for PTFE tubing
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ASTM D1710: Standard for PTFE rod and heavy-walled tubing
Packing Options
Packing in rolls or Cutting in piece
Contact Shenzhen Forbest
For technical specifications, pricing, or custom manufacturing inquiries, contact our engineering team. We support OEM projects from prototype through production.