Global supplier of
High-Performance Materials

PTFE (TEFLON) TUBES

PTFE tubes, made from Polytetrafluoroethylene (PTFE) resin, a synthetic fluoropolymer best known by the brand Teflon, are hollow cylindrical profiles. Because of their remarkable chemical inertness, extremely low friction, and broad operating temperature range, PTFE tubes are highly valued. They are perfect for a variety of industrial, medicinal, and food processing applications because of their special mix of non-stick characteristic, electrical insulation, and resistance to severe chemicals. They are produced using paste or extrusion techniques and come in conventional or custom sizes to satisfy a range of industrial requirements.

What are the key features of PTFE tubes?

-Superb Electrical Insulation: Because of its high dielectric strength, it is perfect for use in high-voltage components. 

-Hollow Design: 

provides adaptability for uses as a liner in composite assemblies, fluid conveyance, and cable protection. 

-Non-Adhesive Surface: The low surface energy makes cleaning simpler and inhibits the accumulation of impurities. 

-Outstanding Chemical Resistance 

PTFE ensures endurance in harsh conditions by resisting almost all chemicals, including acids, bases, oxidizers, and solvents. 

-Self-Lubricating: Energy loss and maintenance needs are decreased due to the intrinsic low friction. 

-Extremely Low Friction Surface: 

In dynamic systems, a low coefficient of friction (0.05–0.10) reduces resistance and wear and frequently removes the need for further lubrication. 

-Durability & Flexibility: Preserves integrity in the face of mechanical stress and repetitive bending. 

-Broad Temperature Range: 

ability to function in conditions with temperatures as low as –200°C and as high as +260°C.

-Non-Flammable: Complies with UL94 V-0 flammability requirements.

How many types of PTFE tubes are there?

1、PTFE tubes that are filled: 

Glass-filled: Better dimensional stability and rigidity; perfect for structural or high-pressure applications. 

Carbon-filled: Better wear resistance and less friction; frequently utilized in high-speed or dynamic applications. 

2、Virgin PTFE tubes are made of pure PTFE and have the highest level of chemical resistance and non-stick qualities. 

3、Food/Medical Grade PTFE Tubes: Made in accordance with stringent regulations (such as those set forth by the FDA) to ensure its safe use in delicate settings.

4、The porous structure of expanded PTFE (ePTFE) tubes makes them useful for filtration, breathable membranes, and specialized medicinal applications.

5、For specialized purposes, custom-dimensioned tubes are made to the customer's specifications regarding diameter, wall thickness, and length. 

Technical Specifications:

1、Density：~2.2 g/cm³（may differ slightly depending on additions or fillers）

2、Hardness：~50–60 Shore D（Fillers can be used to adjust its softness and workability）. 

3、Thermal Conductivity：~0.25 W/m·K（PTFE is a strong thermal insulator because of its low）.

4、Tensile Strength：~20–35MPa（Depending on the formulation of the sheet）.

5、Elongation at Break：~200–500%（High flexibility in contrast to a lot of other polymers）

6、Water Absorption：<0.01%

7、Melting Point：~327°C （Thermal stability is ensured by a high melting temperature）

8、Coefficient of Friction：0.05 – 0.10 (Among engineering polymers, one of the lowest）

9、Dielectric Strength：~20-60 kV/mm (Outstanding insulating qualities）

10、Operating Temperature：-200°C to +260°C （Constant service range vary according to thickness and formulation）

What are the advantages and benefits of PTFE tubes?

1、 Low Maintenance: PTFE tubes require less cleaning and maintenance due to their self-lubricating qualities and resistance to fouling.

2、 Superior Chemical Inertness: PTFE tubes are dependable in corrosive situations because they can endure strong chemicals without deteriorating. 

3、 Adaptable and Customizable: They can be used in a variety of applications because they come in a variety of diameters, wall thicknesses, and fillers (if improved mechanical qualities are needed). 

4、 Low Friction & Wear: Because of its intrinsic non-stick nature, there is less friction, which lowers wear and increases service life. 

5、 Biocompatible and hygienic: Non-porous surfaces inhibit the growth of microorganisms, which is important for the food and medical industries. 

6、 Outstanding Thermal Performance: Maintains steady performance under tough circumstances by operating efficiently across a very wide temperature range. 

7、 Lightweight: Compared to metal tubing, it is simpler to handle and install. 

8、 Superior Electrical Insulation: They are appropriate for high-voltage and delicate electronic applications due to their high dielectric strength and non-conductivity. 

9、 Economical: Extended service life lowers the need for replacements.

What applications are PTFE tubes used for?

1、Electrical and Electronics: Used as insulating tubes for high-voltage applications such as cable jacketing and wiring. 

Medical & Food Processing: FDA-compliant PTFE tubes are perfect for parts of lab equipment, medical devices 

2、Custom Fabrication: Often manufactured or modified for specific applications in the fields of robotics, instrumentation, and other precision engineering.

3、Automotive and aerospace applications that require low friction and high temperature resistance include bearings, bushings, fuel lines, brake systems, hydraulic hoses, and sliding components. 

4、Chemical Processing & Piping: Because they are resistant to corrosive chemicals, they are used as liners, seals, and gaskets in pipes and tanks.

5、Industrial Equipment: Used in wear strips for machinery subjected to extreme circumstances, valve seats, and pump components.

 6、including IV tubing, catheters, and biocompatible fluid systems, and food processing gear like brewery lines, dairy processing, and food-grade lubricant transfer.

How to store and handle PTFE tubes?

1、 Managing Suggestions: 

Clean Handling: Especially for food-grade or medical applications, wear gloves to prevent the transfer of oils or pollutants. 

Prevent Mechanical Damage: To avoid deformation or surface damage, avoid placing heavy objects on top of PTFE tubes. 

2、 Storage Requirements: Keep out of direct sunlight and extremely hot or cold conditions and store in a cool, dry, and dust-free place. 

packing: To avoid contamination, scratches, or physical damage, use sealed, protective packing. 

3、 Shelf Life: PTFE tubes have a very long shelf life and can keep their qualities for many years if stored correctly. If they are utilized in essential applications, periodic inspection is advised.

Frequently Asked Questions

Question 1: Is it possible to make PTFE tubes to precise measurements? 

A: Yes, without a doubt. To satisfy specific needs, PTFE tubes can be machined or custom-extruded to certain diameters, wall thicknesses, and lengths. 

Question 2： Can steam be used with PTFE tubes? 

A: Yes, for sporadic use up to 260°C. Steer clear of extended exposure above 300°C.

Question 3: What upkeep is necessary for PTFE tubes that are in use? 

A: PTFE tubes often require little upkeep because of its self-lubricating and non-stick qualities. In high-friction applications, routine wear and damage examinations are advised. 

Question 4: Is it possible to print or color PTFE tubes? 

A: Yes, there are alternatives for branding or identifying, including laser marking and unique colors.

Question 5: Can high-pressure fluids be handled by PTFE tubes? 

A: Yes, but temperature and wall thickness affect pressure ratings. Steel-braided and other reinforced PTFE tubes may withstand pressures of up to 150 bar.

Question 6： Can PTFE tubes be recycled? 

A: Yes, however because PTFE is inert, recycling calls for certain infrastructure.