How Teflon FEP Tubing is Different From Other Tubing Systems?

Extruded Teflon FEP TubingTubing system is considered as an indispensable item for conducting various operations that are carried out in different industries. The use of tubes is not stagnated only in industries but there are various appliances and applications which require installation of appropriate tubings leads to smooth operation.

Interestingly, the common features adorned in different types of fluoropolymer tubing systems are almost same which are chemical resistant, heat resistant, weather resistant, easy to operate under extreme temperature, flexibility etc. But, it does not mean that any type of tubing system can be used for industrial purpose, and therefore depending upon its specific needs every industry makes use of specified tubings for proper operations.

Extruded Teflon FEP is one of the important type of tubing system which plays an important role in conducting various operations that are performed in different industries or the products manufactured by them. The FEP tubing used in industrial applications, itself is a polymer but differs from other polymers in terms of toughness and gets damaged if not used properly. But, if handled with proper care it acts as panacea of varied industrial operations.

Fluoropolymer Tubing

Before understanding the benefits , it would be better to understand its basic characteristic features.

  • FEP Teflon tubing supports superior ultra-violet transmission and has optical clarity;

  • It is chemically inert;

  • Can be easily fitted in both types of standard compression fittings and barbed fittings;

  • It is self extinguishing and non-flammable;

  • It can easily operate under different temperature ranges varying from 454° F (–270° C) to 400° F (204° C);

  • Its FDA compliant and USP Class VI approved.

After understanding the characters of FEP Tubing, let us have look on benefits enjoyed by use of this tubing system in different industries.

  • The corrosion resistance feature of FEP is miles ahead from same feature adorned in Teflon PTFE tubes. The FEP coatings on tubes and wires make them perfect element for operations which are conducted under corrosive environments.

  • As compared to PTFE, FEP has excellent flexibility feature;

  • FEP melts at slower speed as compared to different cables for instance PFA or PTFE.

  • FEP supports smaller diameter.

Protect Chemical and Fluid Industrial Applications By Using Convoluted FEP Tubing

Convoluted FEP TubingConvoluted FEP Tubing is a self understanding term which refers to tubing which moves through sharp and deep turns and curves with small band diameters. As it is developed by making use of Teflon, blessed with the features like chemical and heat resistance. It plays an important role in the industries where high sensitive fluids and liquids are transferred. This tubing system is an ideal solution of operation in industries like food, aerospace, medical, liquid manufacturing industries etc.

Blessed with features like electronic insulator and heat resistant, the major features of convoluted tubes can be summarized as follows:

  1. The best solution for operations which require transmission of fluids and liquids at longer distance;
  2. Superior optical clarity;
  3. Capable of operating under temperature going high up-to 400° F;
  4. Compliant to FDA and USP Class VI;
  5. The standard size of convoluted tubing system is SAE-AS81914/4 or Mil-81914/4

The Convoluted PTFE tubing system apart from being used in industrial operations is also used in automobiles and aircrafts. The best illustration to witness the functioning of it is fuel station where you get fuel filled in your vehicle. The pipe that is used for filling petrol in your vehicle is made of convoluted FEP tubes, although it does not allow you to view the flow of liquid but still it helps in smooth flow of liquid in tank of the vehicle without developing any insulation.

Convoluted FEP tubes provides extra flexibility to the wire without any damage and cuts. An interesting feature of convoluted tubes which is considered as hereditary feature of FEP family is that it is not soak water, and gets affected by few materials for instance chlorine trifluoride, fluorine, and alkali metals. Except these materials, It does not get affected by any other type of chemical substance offering complete protection to metal parts on which these tubes are studded.

Features that Make the PFA Tubing Different from Others

Teflon PFA TubingTeflon PFA tubing defined as a non-sticking coating applied on tubes to make uninterrupted flow of chemicals and solvents. Because of non-sticky nature, the tubing system can operate easily under extreme temperature up-to 500°F. It would not be wrong to say that the PFA tubing system is kind of stubborn people who do not change themselves despite of whatever comments you use of them. As your every word just flows away from them without any impact similarly what type of hazardous element your transit from this tubing system it flows smoothly without any blockages. It would not be wrong to say that because of its non-sticky nature, it is highly preferred by almost every industry for performing wide range of activities performed by them.

The characteristic feature of Teflon tubing is not only restricted to its non-sticky nature and easy operation under extremely high temperature but, there are various other reasons due to which it is different from other tubings and highly preferred by industries involved in business of chemicals. These reasons may be summarized as clarity, flexibility, non-melting and nonstop operation. It would also be important to note that role of the PFA tubing in industries in not only limited to chemical and solvent manufacturing industries but also in various types of industries like pharmaceuticals, aerospace, automobile industries etc.

PFA Tubing

The characters of PFA tubing are summarized below:

  • Non-sticky and chemical resistant;

  • Offers superior protection against chemical and electrical products;

  • USP Class VI approved & FDA compliant;

  • Aging resistant and

  • Low friction coefficient

This tubing system acts as a transparent wall which makes it easy to keep watching the flow of high profile chemicals and solvents during production and offers their smooth flow because of its easily bending nature.

An interesting feature of this teflon tubing is that it is not only used for industrial purpose but also as kitchen appliances in form of non-sticky vessels that are used for cooking oil free food items.


Why Teflon PTFE is Preferred in Industrial Operations?

The best way to understand features and properties of anything is to search for illustrations that exist around you or in other words it can also be said that the best way to understand anything is to go through those activities and equipments that you use in your day to day activities.

Therefore to understand the working and functioning of teflon ptfe tubing system you need not have to browse any search engine nor consult any reference book or any other source. Just have a look of screw driver at your home you will notice the front side with metal is covered with a type of tubing system or in simple words coated with a plastic. This is what you were searching for, surprised? yes this covering is made of teflon. The main objective of this coating is to protect human from any kind of electronic current which one might face by touching the naked portion of metal. Well, it is just a small illustration of this versatile tubing system, because it has proved to be an important source of operation in various industries and applications.

Teflon PTFE Tubing

Developed by making user of polytetrafluoroethylene consisting mixture of carbon and fluorine the emergence of this tubing system was not less than a boon for plastic industry. The dielectric property of teflon PTFE tubing makes it highly preferred item of working in electrical industry. Moving ahead, because of its non-sticky nature it also occupies an important place in chemical industries where extreme chemicals are transferred through these tubes.

The major features of this tubing system can summed as follows:

  • Capable of operating under extreme temperature going high up 260°C (500°F);
  • Non sticky and therefore easy to clean;
  • Chemical resistance;
  • Low coefficient of friction and
  • Aging resistance.

Teflon Tubing

It would be interested to know that use of Teflon is not restricted only to industrial purpose but is also used at households in form of fry pan for cooking non oily food, because of its non-sticky nature.

Common Uses of the PFA Heat Shrink Tubing

Developed from teflon tubing, PFA heat shrink has proved be a robust solution for the operations in various industries like aerospace, automotive, chemical processing, medical and others because of its versatile features. The tubing system generates strong wall type protection against the wiring system on which it is wrapped tightly without affecting the width and size of the wires in which this tubing system is installed. It would be interested to know that despite of its stiffness, heat shrinking tubing succeeds in retaining its flexibility and smoothness. The main objective of this tubing system is to protect the wires from insulation as an impact of its high dielectric and resistivity nature. Installation of this fluoropolymer tubing makes transition of acids, fluids etc smooth and easier by offering protection from leakages.

Teflon PFA Tubes

Uses of PFA Heat Shrinking Tubing:

PFA tubing system is used as a protection system for wires splices in industries like aviation and aerospace. The system acts as a strong cover on different wires that play an important role in smooth running of aerospace and other instruments. Apart from these, the tubing is also used as a protective guard on terminals, joints, connections and conductors in electrical industries.

The system has proved to be an ideal system for repairing wires and binding together with complete protection.


Interestingly, apart from being used in different industries, the teflon PFA tubing is also used for various domestic purposes for instance used as covering system for various metallic items and offer them strong grip to handle the tools strongly and easily.

The tubing system also constitutes an important part of operations in chemical industries which are involved in production different chemicals and acids. The tubing system not only offer smooth flow of fluids across the plant but also protects the plant from any uncertain incidence which might take place due to leakage of any of the products.

Heat Shrinkable Teflon Tubing

Heat shrink tubing is the flexible polymer plastic that can perform under extreme heat and high temperature range, which is used mostly in electrical applications. Teflon heat shrink tubings are mainly divided in (1) heat shrink PTFE tubing, (2) FEP heat shrink tubing and (3) heat shrinkable PFA probe covers. Teflon PTFE heat shrink performs well under high temperature range although for long hours, whereas the FEP heat shrinkable tubing is easier to shrink then the PTFE. These teflon tubings are chemically inert, non-alkali and heat resistance in nature.

Here, we’ve presented an infographic representing the heat shrink teflon tubing and their basic features:

Heat Shrink Teflon Tubing Infographic

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