Introduction of ptfe welding process

Steel lined ptfe equipment is usually made with discharge port, feed port, perspective mirror, etc., but how to successfully apply this kind of pipe port in the complex head intersecting line, of course, our answer is welding, then how to welding?How to control the temperature of ptfe welding?Below we tell one by one.

1, ptfe head pipe mouth production

PTFE pipe welding on sealing head to first of all, we should make PTFE sealing head nozzle, according to the size of the nozzle diameter steel head and according to certain proportion by using powder moulding process manufacturing nozzle, 8 hours of sintered under the 380 plus or minus 5 degrees Celsius, after the completion of the sintering good nozzle with lathe car to the right size, to the congratulations of PTFE tube at this moment you have finished.

2, ptfe head opening

Put the extracted head into the steel head, and use the principle of light transmission to accurately open the head, pay attention to the ptfe head must be consistent with the steel head, or the final equipment is prone to bulge, rupture and other potential hazards.

3, ptfe pipe mouth welding

By the first two steps, we can carry out PTFE welding. Here we know that there are two ways of welding (hot pressure welding and hot air welding). We will explain them one by one.

(1) hot pressure welding

Before hot pressure welding we should know the necessary theoretical knowledge, hot pressure welding is a kind of hot welding, provide sufficient heat and enough pressure.Here, we must ensure that the welding interface temperature must reach 673.15k and the pressure reaches 1-2mpa. Therefore, in order to ensure the welding, we need to make corresponding molds to ensure the successful completion of the thermal pressure welding.When all is done, the FEP film can be welded by pressurizing and heating the interface between the nozzle and the head.

(2) hot air welding

Similarly, ptfe hot air welding is a kind of hot welding, which is much simpler than hot pressure welding and does not require so many molds. After placing the pipe mouth, PFA welding rod and hot air welding gun higher than 713K are used to preheat PFA first and then place it on the welding seam for continuous welding.

Note: whether it's hot pressure welding or hot air welding welding temperature will be higher than the melting point of ptfe, ptfe is possible under the temperature cracking, produces in the process of pyrolysis perfluorinated isobutylene and other poisonous gases, so the welding should be in a ventilation environment, when the condition does not allow such as the four fluorine lining tank welding in production must use the fan air supply air flow assurance and wearing a gas mask to ensure security at the same time.

What is the PFA

I. What is the PFA?

The English name of PFA is Polyfluoroalkoxy, or tetrafluoroethylene perfluoroalkoxyethylene ether copolymer (perfluoroalkylate, soluble polytetrafluoroethylene).PFA resin is relatively new fluoroplastic that can be processed by melting. PFA, FEP and PTFE have similar chemical properties, but FEP can only be used below 200 degrees, and PTFE cannot be injected. 【this resource was first published by China fluoroplastics network.】

1. Specific gravity: 2.13-2.167g/cubic centimeter

2. Molding shrinkage rate :3.1-7.7%

3. Molding temperature: 350-400℃

4. The melting point of PFA is about 580F and the density is 2.13-2.16g /cc (g/ cubic centimeter).

II. Features and main USES of PFA

PFA, commonly known as fusible PTFE, is the crown of fluoroplastics with various properties and USES similar to FEP.Widely used in semiconductor industry, as well as medical, chemical corrosion protection, automotive and other fields.

PFA products include granular products for molding and extrusion, and powdery products for rotating molding and coating.Its semi-finished products are membrane, plate, rod and pipe.PFA resin distributed in the American market includes Teflon of DUPOut, Neoflon of Daikin, Hthen of Ansimont and Hostafl of HOechst Celanese.

1. Main USES of PFA:

(1). Suitable for making corrosion resistant parts, wear - resistant parts, seals, insulation parts and medical equipment parts.

(2). High temperature wire, cable insulation layer, anti-corrosion equipment, sealing materials, pump valve bushing, and chemical containers.

2. Molding performance

(1). Crystallization material, small moisture absorption.Products may be processed by the usual thermoplastic processing method.

(2). Poor liquidity, easy decomposition, decomposition produced corrosion gas.It is advisable to strictly control the molding temperature not to exceed 475 degrees, the mold should be heated to 150-200 degrees, the pouring system should have little resistance to the material flow.

(3). Translucent granule, injection molding, extrusion molding.Forming temperature 350-400 degrees, 475 degrees above easy to cause color or bubble.And notice that it's harder to get out of the mold.

(4). Because the molten material on the metal corrosion effect, long-term production, the mold needs to electroplate chromium treatment.

3. Material performance

1. PFA is a copolymer of a small amount of perfluoropropyl perfluoroethylene ether and polytetrafluoroethylene.The melt bond is increased, the solution viscosity is decreased, and the performance is not changed compared with ptfe.The resin can be processed into products directly by ordinary thermoplastic molding.

2, long-term use temperature -80- 260 degrees, excellent chemical corrosion resistance, corrosion resistance to all chemicals, friction coefficient in the lowest plastic, and very good electrical performance, its electrical insulation is not affected by temperature, "plastic king" said.

3. Its chemical resistance is similar to ptfe and better than vinylidene fluoride.

4. Its creep resistance and compression strength are better than ptfe, with high tensile strength and elongation up to 100-300%.Good dielectric property, excellent radiation resistance.

5, non-toxic: with physiological inertia, can be implanted in the human body.

Introduction to ptfe teflon pipes

Ptfe teflon tube extrusion machine is divided into many kinds, exactly say ptfe tube forming process has push and pressure method, extrusion method, hydraulic method, welding method, winding method, etc., which is mainly push and pressure method.Generally dispersed PTFE resin with particle size of 500 microns and apparent density of 0.45g/ml ~ 0.55g/ml is adopted.The small diameter tube chooses the compression quite big resin, the medium and large diameter tube chooses the compression quite small resin.Extruder usually choose 200 and 260 solvent oil.PTFE thermal shrinkage tube, PTFE spiral tube, PTFE steel wire reinforced hydraulic tube and so on can be produced by the secondary processing of PTFE tube.

1.1 common ptfe teflon pipe

Ptfe ordinary tube is made of ptfe dispersion resin at room temperature with organic solvent as extruder, and then through drying and sintering.According to the size of the pipe diameter can be divided into two types of ordinary pipe and micro pipe.Ordinary tube inner diameter > 4mm, micro tube inner diameter ≤4mm.

Typical formula for PTFE tube production:

Dispersed PTFE resin: 100 (weight)

Extruder: 18 ~ 24

Production process:

PTFE, extruder - mixing - pushing - pressing - drying - sintering - cooling - products.

Production process parameters:

Mixing: temperature ≤19 ℃, time 10min ~ 20min, mixed at 25 ℃ ~ 30 ℃ for more than 24h.

Blank: compression rate is about 50mm/ min, pressure is 0 ~ 3MPa.

Pushing pressure: the cavity temperature is 30 ℃ ~ 50 ℃, and the die temperature is 50 ℃ ~ 60 ℃.

Drying: under 210 ℃,2h ~ 3h

Sintering: batch sintering, temperature rise rate of 60 ℃/ h,375 ℃±5 ℃ insulation for 4h.

Continuous sintering, dry area 100 ℃ ~ 250 ℃, preheating area 250 ℃ ~ 330 ℃, sintering area 380 ℃ ~ 420 ℃, cooling area less than 300 ℃.

Main equipment: mixing machine, preforming machine, vertical pushing press, drying and sintering furnace.

USES: as insulation and fluid conduit.

1.2 polytetrafluoroethylene heat-shrinkable tube

PTFE thermal shrinkable tube has the property of being heat-shrinkable, so it can be tightly coated on the surface of other workpieces, making the workpieces resistant to corrosion, electrical insulation and viscosity.Widely used in electrical, chemical, mechanical, printing and other industries.The maximum shrinkage of PTFE shrink tubes is reported to be more than 75%.

It is processed by disperse PTFE resin. The principle is that PTFE is subjected to stress during processing and produces forced high-elastic deformation, which is reversible and freezes at low temperature. If the forced high-elastic deformation is reheated, it will gradually disappear and return to the original state.

Typical formula for PTFE thermal shrinkable tube production:

Disperse PTFE resin 100 (weight)

Extruder 20 ~ 22

Production process:

PTFE resin, extrusion aid → mixing → storage → pre-molding → pushing and pressing → drying → sintering → cooling → heat treatment → blowing → cooling → product.

Production process parameters:

The front part is the same as ordinary PTFE tube.

Heat treatment: the quenching process of the dried and sintered pipes after further full sintering at high temperature, the temperature is 390 ℃±2 ℃, and the coolant is -5 ℃.

Blowing: at 310 ℃ or so, fill the compressed gas below 0198MPa, the blowing rate is 200% ~ 400%.

Main equipment: blowing machine, other PTFE tube and the same.

1.3 ptfe teflon steel wire reinforced hydraulic pipe

The common PTFE pipe will break under the pressure of about 40kg/ cm2. When it is combined with steel wire, the pressure resistance will be greatly improved. The maximum working pressure abroad reaches 700kg/ cm2.The results show that the compressive strength and pulse strength of the hose are related not only to the steel wire strength but also to the weaving Angle.When the braiding Angle is 54°44 "for single-layer braiding, the steel wire does not extend under internal pressure, the length and diameter of the hose do not change, and the pressure resistance is the best.

When used as hose for hydraulic system in aviation industry, in order to prevent electrostatic breakdown of inner tube caused by hydraulic oil flow, trace conductive carbon black should be added in the manufacture of PTFE inner tube.However, it was found that adding carbon black could not completely prevent electrostatic discharge from passing through the tube wall and increase the gap.

In the 1960s, Attas manufactured composite tubes, in which the inner layer of the tubes was a uniform mixture of conductive carbon black and PTFE, and the outer layer of the tubes was pure PTFE.This form of tube body layer has axial conductivity, so it can not only eliminate static electricity, but also prevent seepage.

The process:

Inner resin (including conductive carbon black), outer resin → blank → pushing → drying → cooling → testing → weaving → fitting joints → testing.

PTFE steel wire composite hose is mainly used in aircraft hydraulic system, air conditioning system, fuel system, lubricating oil system.In civil industry, it is suitable for soft connection of hydraulic pressure, steam pressure and steam transportation in rubber, plastic, pharmacy, clothing, shipbuilding, automobile, machine tool, motor, diesel engine and paper making industries.

1.4 ptfe teflon spiral tube

PTFE spiral tube, also known as PTFE flexible hose, has not only all the excellent properties of PTFE, but also flexible properties.At present, there are two kinds of PTFE spiral tube and chemical fiber, stainless steel wire and plastic coated glass fiber woven reinforcement.

It is made of PTFE through secondary processing. The process is that PTFE thin-walled tube continuously rotates forward through a combination mold with a temperature of 270 ℃ ~ 280 ℃ at a certain speed.

It is mainly used for the inlet and outlet pipes of the shock parts such as the soft connection dislocation connection, serpentine pipes, pump engines and so on.Used for shielding cable and protecting cable sleeve of aircraft engine.

PLC control system of Polymer extruder

The PLC control system of extruder has been widely used in many fields such as cemented carbide, pharmaceutical, food processing and mechanical processing. Extrusion technology is widely used because it can obtain products with uniform density in the direction of extension and high production efficiency. Currently on the market for some extrusion machine, such as: Polymer Teflon Rod extruder, PTFE UHMWPE tube extruder,etc. extrusion machine while there are almost one hundred years of history, but with the rapid development of information technology, all kinds of information technology in the layer, especially the detection technology, PLC control technology,microelectronics technology and modern control technology development puts forward new challenge on the extrusion machine. It is very important to study the application of PLC control system because the control system is developed in high efficiency, high speed and high precision.

With the rapid development of manufacturing industry, industrial aluminum profiles have been widely used in various high-tech industries, such as aviation, bullet trains, ships and so on. The forming technology of metal aluminum profile mainly includes extrusion, forging and calendering. According to the extrusion molding process, such as the whole process will use the Polymer Teflon bar extruder, PTFE UHMWPE tube extruder, MouldingMachine, PTFE Gaskets Press Moulding Machine, Cutting Machine, PTFE Skiving Machine, Dry Grinder, cleaning machine, vibration screen, automatic feeding machine. The control system of extruder is emphasized. This set of control system combines PLC, MES and upper computer to realize online intelligent management, visual management, process control, process analysis and product traceability of production process.

Isothermal extrusion speed control is an important method for high efficiency and high quality production in rare metal processing enterprises. Different raw materials (Polymer, PTFE, Teflon, UHMWPE), extruder extruded products are different, such as color, shape, density, etc. According to the characteristics of the treasure titanium 25M extrusion machine equipment, combined with the actual production condition, titanium simulation of isothermal extrusion speed control system, put forward to simulate the isothermal extrusion speed control system architecture and function of system implementation, is developed based on industrial PC + PLC titanium simulation of isothermal extrusion speed control system, using the prediction algorithm to build the extrusion speed prediction model. The system can achieve isothermal extrusion of titanium, shorten the extrusion time, and operate reliably.

PTFE Heat Shrink Sleeve

Heat-shrinkable sleeve (or commonly "shrink sleeve") is a corrosion protective coating for pipelines in the form of a wraparound or tubular sleeve that is field-applied.

PTFE heat shrink sleeving is made from pure virgin PTFE with no fillers or additives and therefore offer all the exceptional properties of PTFE.

The major characteristic of this high temperature heat shrink is its upper continuous working temperature of 260°C.

 PTFE heat shrink sleeving is made from pure virgin PTFE with no fillers or additives and therefore offer all the exceptional properties of PTFE.

This exceeds that of any other heat shrink polymer. In addition, it is completely resistant to virtually all chemicals, and UV radiation. It is available in 4:1 and 2:1 shrink ratios, and the shrinking temperature is 327°C.

Technical Data:Select the correct size sleeve by allowing a generous amount of shrinkage, rather than using a tight sleeve if possible. PTFE shrinks at temperatures over 330°C, so the gun temperature should be at least 400°C. To obtain the higher temperature we suggest a hot air gun of 1.5KW capacity. Parts to be covered that have a large thermal mass, e.g. a solid steel roller, may need preheating when PTFE heat shrink is applied, to prevent chilling of the PTFE sleeve, causing a loose fit.

Source:https://www.sukoptfe.com/ptfe-heat-shrink-sleeve

PTFE Heat shrink tubing

PTFE (fluoropolymer) tubes have a wide operating temperature range (-55 to 175 °C), a low coefficient of friction, and high resistance to chemicals and punctures.

Heat-shrink tubing (or, commonly, heat shrink or heatshrink) is a shrinkable plastic tube used to insulate wires, providing abrasion resistance and environmental protection for stranded and solid wire conductors, connections, joints and terminals in electrical work. It can also be used to repair the insulation on wires or to bundle them together, to protect wires or small parts from minor abrasion, and to create cable entry seals, offering environmental sealing protection. Heat-shrink tubing is ordinarily made of nylon or polyolefin, which shrinks radially (but not longitudinally) when heated, to between one-half and one-sixth of its diameter.

Heat-shrink tubing is manufactured in a multitude of varieties and chemical makeups with the exact composition of each type being dependent on the intended application. From near microscopically-thin-wall tubing to rigid, heavy-wall tubing, each type has precise design and chemical additives that make it suitable for meeting any of a wide variety of environmental demands. Heat-shrink tubing is rated by its expansion ratio, a comparison of the differences in expansion and recovery rate.

Types:Heat-shrink tubing is available in a variety of colors for color-coding of wires and connections. In the early twenty-first century heat-shrink tubing started to be used for PC modding to tidy up the interior of computers and provide an appearance considered pleasing. In response to this opening market, manufacturers started producing heat-shrink tubing in luminous and UV reactive varieties.

Although usually used for insulation, heat-shrink tubing with a conductive lining is also available, for use on joints which are not soldered.

Specialty heat-shrink tubing, known as "solder sleeves", have a tube of solder inside of the heat-shrink tubing, allowing the heat source to electrically join the two wires by melting the solder and simultaneously insulate the junction with the tubing. Solder sleeves also commonly contain a ring of heat-activated sealant on the inside of each end of the tubing, allowing the connection to also be made waterproof.

Heat-shrink end caps, closed at one end, are used to insulate the exposed cut ends of insulated wires.

PTFE Heat Shrink Tubing Benefits

Very good chemical resistance;
Extraordinary Temperature resistance;
Easy to handle;
Non toxic;
Anti-adhesive;

Application Industries:Automotive;Medical Engineering;Chemical  Industry;Food & Beverage;Aerospace;Electroplating;Measuring and Control Technology.

Source:https://www.sukoptfe.com/ptfe-heat-shrink-tubing

Filled Copper Teflon PTFE Tube

PTFE Tube Features: PTFE TUBE working temperature:-55~+260°C;PTFE TUBE Electric insulation; good dielectric in mediums;PTFE TUBE filled ptfe tube products(plastic tube pipe) Made of high-speed mixing polytetrafluoroethylene resin and certain filling resin;PTFE TUBE Soft and formable, outstanding Chemical properties etc.

(1) PTFE TUBE Anti-corrosion in all kinds of chemicals including nitric acid & aqua fortis.

(2) PTFE TUBE Characteristics: Low friction, Virtually no lubrication requirement, Light weight, Resistant to corrosion and abrasion, Impact resistance, Stable chemical properties, Oil resistance, High temperature resistance, Low temperature resistance, water resistance and so on.

(3) PTFE TUBE working temperature:-55~+260°C.

(4) PTFE TUBE Electric insulation; good dielectric in mediums.

(5) PTFE TUBE filled ptfe tube products(plastic tube pipe) Made of high-speed mixing polytetrafluoroethylene resin and certain filling resin

(6) PTFE TUBE Soft and formable, outstanding Chemical properties etc.

More Details:https://www.sukoptfe.com/tube-pipe/filled-copper-teflon-ptfe-tube

Moly Filled PTFE Molding Tubing

Virgin PTFE is capable in its own right, but when mineral fillers, such as molybdenum sulfide, are added, it enhances the material wear and deformation characteristics to more fully exploit their unique combination of chemical, physical and electrical properties.

Molybdenum Disulfide (PTFE-MoS2): Added in various amounts (5% to 15%), increases hardness, stiffness, and wear; minimal effect on chemical and electrical properties.

APPLICATIONS:Slide covers;Bearings, bushings.

ADVANTAGES:Good sliding and wear characteristics;Low cold flow;Good thermal conductivity;Low coefficient of friction;Reduced chemical resistance;High pressure resistance

PTFE/Teflon Tube/Pipe

PTFE Tube by Extruded, Molded and Filled. Extruded ptfe tubing OD from 1mm to 300mm. Molded ptfe tubing from 30mm to 600mm.Filled ptfe( Filled graphite, Filled Fiber glass, Filled Bronze, Filled Carbon ), Size OD from 30mm to 600mm


teflon tube has many applications throughout industry. The unique properties allow the tubing to solve problems possible with no other material. Compared with similar polymers it normally has the bestprice/performance ratio.

1> PTFE Features -(teflon tube) teflon tube

o (1) Very high working temperatures.

o (2) Non-stick characteristics.

o (3) Low friction surface

o (4) Very high resistance to chemical and solvents.

o (5) Very high electrical resistance.

o (6) Bio-compatibility

o 2> Close Tolerances -(teflon tube) teflontube

o We specialise in making tubing to very close tolerancesfor medical, electronic, and instrument applications.

o 3> Ready Cut -(teflon tube) teflon tube

o Tubing can be supplied cut to any length in any quantity,and in particular we can supply cut straight lengths(i.e. no curvature).

o 4> Coloured Tubing -(teflon tube) teflontube

o All tubing can be made in fourteen different colours, andalso with coloured stripe.

o 5> Special Sizes -(teflon tube) teflon tube

o Virtually any size of tubing can be extruded from 0.1 mm dia meter to 150 mm dia meter.Sizes larger than this can also be made.

o 6> Microbore Tubing -(teflon tube) teflon tube

o 0 mm with a very thin wall of 0.1mm, Standard Stocked item.

o 7> Profiles -(teflon tube) teflon tube

PTFE tube making machine

Sunkoo PTFE tube making machine is designed using latest technology, fully reliable and easy to operate for customers. Performance in terms of production and working hour capacity is competitive to other machines. Low  maintenance is required , giving  high production  in market.

Features:Vertical Ram Extruder for PTFE tube;Ram extruding machine for PTFE tube;Using for Pre-sintering PTFE material;Suit for new PTFE material or Recycle PTFE material;Rangeof diameter PTFE Extrusion 20-500 mm, Heating zones 5 zones; Automatic.

Vertical Ram / molding extruder for ptfe tube making machine.
Suit for new PTFE material or Recycle PTFE material.
Adjustable Heating zone: 5 zone area.
Long service life through solid workmanship and use of high quality components.
Measurement transducer like pressure, force and ram speed for permanent control of the extrusion process and extrusion speed.
Measuring and controlling system for constant extruder speed.
Low space requirement through vertical construction.
Operating through touch screen and recording of the extrusion process parameters.

More Details and Technical Data：https://www.sukoptfe.com/ptfe-tube-making-machine

Reveal The Carbon Fiber Tube Forming Process

Growing demand for carbon fiber material on the market, compared with the commonly used metal or plastic, it obviously, the advantages of light weight, high strength, specific strength is four times higher than steel, not rusting, corrosion resistance, low thermal expansion coefficient, long using life. Carbon fiber tube is one of the common carbon fiber material, different processing methods, for its performance, appearance, price has a certain influence, this article, small make up just to tell you the carbon fiber molding process.

Winding molding process: after carbon fiber raw material in resin is arranged in 3 d on the preparation of instruments, as the rotation of the machine fiber interweave shape. Adjustment method, can produce the plain or twill carbon fiber tubes, appearance is very beautiful. Its shock resistance, excellent mechanical properties such as shear strength also. The manufacture process of steel tubes in the carbon fiber is the most popular on the market.

Pultrusion process: this process is the most simple, pull the carbon fiber raw material by liquid resin mixture can be, don’t need sophisticated instruments and equipment, low cost, the price is cheap, but whether it’s performance and appearance cannot be compared with the winding pipe.

Moulding process: do moulds according to the shape of the pipe size first, then made beforehand in the closed mold, carbon fiber into resin, waiting for curing. It is easy to realize automation of production, the products of high precision, but open mold will cost a lot of cost and is suitable for mass production.

In practical use, mainly ACTS as carbon fiber tube structure, such as transmission shaft, tripod, sailing mast component, golf clubs, aircraft wings. The use of carbon fiber material, of course, much more than that, it can also be processed into the purse, wallet, chair, manipulator, high iron parts, auto parts, medical equipment, in the civil and military industries were applied.

PTFE Convoluted Tubing

PTFE convoluted tubing is produced using a modified grade of standard PTFE offering the advantage of excellent flex-life performance compared to most other fluoropolymers together with greatly improved stress crack resistance.

Containing fewer pinhole voids than standard material, PTFE convoluted tubing benefits from much lower permeation making it an excellent choice for the transport of fine chemicals and very ‘searching’ gases such as chlorine.

Convoluted PTFE hoses are manufactured with smooth, rounded, helical shaped convolutions whoch help promote easy cleaning and self-draining for the ulitmate high purity, convoluted hose.

Key Features of Convoluted Tubing:

• * Most flexible tubing design;
• * Self draining due to its helical form;
• * Broadest chemical resistance;
• * Serviceable up to 260°C (500°F);
• * Non-wetting;
• * Very low diffusion through wall;
• * UL94 V-O flammability rating, LOI 95%;
• * Smooth surfaces;
• * Numerous connection options;
• * FDA & USP Class VI compliant;

Availability of PTFE Convoluted Tubing:

• * Available in coils or on spools;
• * Cut-to-length;
• * Standard & conductive (fully carbon black or single helical stripe);
• * Thermoformed ends: flanged, flared, cuffed;
• * Ready assembled with connectors;
• * ​Outer helical wire for improved pressure performance and crush resistance;
• 
  
• Source:https://www.sukoptfe.com/ptfe-convoluted-tube

PTFE(PolyTetraFluoroEthylene) Tubing

If your temperature requirements range up to 500º F (260º C), PTFE Tubing (PolyTetraFluoroEthylene) is the recommended choice. It resists “melt-off” by soldering irons when making terminations. Because of its excellent dielectric properties, it is widely used in electronics and electrical service. Another key advantage of PTFE Tubing is its non-stick properities that allow the transport of materials with minimal fluid resistance. Please do be aware, however, that PTFE reacts with fluorine, molten sodium hydroxide and molten alkali metals.

PTFE Tubing outperforms glass and graphite by its inherent superior chemical resistivity and low coefficient of friction, making it an ideal material for fluid transfers. PTFE Tubing can be used with virtually all industrial solvents, chemicals, and corrosive materials, and can be used in processes at elevated temperatures. It can be steam sterilized without effecting its physical properties, such as surface hardness, elongation, flex life or deformation under load. PTFE Tubing is normally translucent white in color, however, the degree of whiteness varies from lot to lot, and with dimensional wall thickness. Colored PTFE tubing is also available and is generally used to simplify tube routing during system installations.

PTFE Tubing Advantages:

• Non-stick properties
• Temperature resistance up to 260º C (500º F)
• Aging resistance
• Can be steam or chemically sterilized in-line
• Superior chemical resistivity and low coefficient of friction

PTFE Tubing Applications:
Aerospace &Transportation Technology, Electronics, Components & Insulators, Chemical & Pharmaceutical Manufacturing, Food Processing, Environmental Sciences, Air Sampling, Fluid Transfer Devices and Water Processing Systems.

Industrial Grade Tubing

Industrial Grade Tubing provides extended service in a wide variety of applications, without weakening or cracking, and can withstand extreme temperatures from -75°F to 275°F.

Typical applications for Industrial Grade Tubing include caustic dispensing, wastewater sampling, soap and disinfectant dispensing, transferring printing ink, glass and window washing systems and more.

Industrial Grade Vinyl tubing offers high performance at a low cost. This industrial grade is flexible and offers a broad range of chemical resistance, but is not recommended for use with foods, beverages, or drugs. For prolonged exposure this material is available in extruded black since it naturally resists bacteria growth.

PROPERTIES

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

APPLICATIONS:Drainage lines;Chemical processing;Semiconductor processing;Environmental;Industrial;

ADVANTAGES:Natural resistance to combustion;Withstands a variety of conditions;Does not rust or corrode;Economical;Clear;Flexible.

Source:https://www.sukoptfe.com/industrial-grade-tubing

Stainless Braided PTFE Teflon Fuel Line Oil Gas Hose

• Braided stainless steel outer cover for excellent abrasion resistance. 
• Max Pressure is rated to up to 4000 PSI.
• The continuous temperature rating from -70°C to 250°C.

The PTFE lined hose is designed to handle any fuel (including methanol and nitromethane), oil, coolant, brake, transmission, clutch, powersteering fluids and nitrous oxide. Suitable for Brake, E85, Alcohol, Nitro, transmission, cluth, nitrous, power steering, oiling, hydraulics & vacuum applications.

Item Specifications
Type	Brake Line Hose
Length	1 Meter / 3.3ft
Materials	Inner PTFE Telfon White
Materials Outer Cover	Stainless Steel Braided
Color	Silver
ID	1/8inch - 3.1mm
OD	1/4inch - 6.5mm
Max. Continuous Length	50 Meter / 160 FT

PTFE Braided Hose/Line 50 cm 6AN O.D. 11 mm 7/16" w/ F

Description:

• Braided Steel PTFE Lined / Hose 6 AN Straight to Straight 50cm with 6AN female connectors on both ends.
• Braided stainless steel outer cover for excellent abrasion resistance. 
• Max Pressure is rated to up to 4000 PSI.
• The continuous temperature rating from -70°C to 250°C.
• Hose Size: 3/8" ID or 10 mm ID
•        7/16" OD or 11 mm OD

Application:
The hose is designed to handle any fuel (including methanol and nitromethane), oil, coolant, brake, transmission, clutch, powersteering fluids and nitrous oxide. Suitable for Brake, E85, Alcohol, Nitro, transmission, cluth, nitrous, power steering, oiling, hydraulics & vacuum applications.

Teflon - PTFE Plastic Round Rod 1-1/8" dia

PTFE (Polytetrafluoroethylene) is most commonly known as "Teflon" a brand name of the material produced by Dupont. It is a self-lubricating that offers the lowest coeffecient of friction of any material. It also has astonishing chemical resistance along with a service operating temperature of 500F.

PTFE tube has many applications throughout industry. The unique properties allow the tubing to solve problems possible with no other material. Compared with similar polymers it normally has the bestprice/performance ratio.

Material: Plastic
Grade: Virgin PTFE
Color: White
Shape: Round Rod
Diameter: 1-1/8 inch
Length: 24 inches

PTFE Teflon Tube Pipe Dia 16mm ~ 65mm White

PTFE Tube by Extruded, Molded and Filled. Extruded ptfe tubing OD from 1mm to 300mm. Molded ptfe tubing from 30mm to 600mm.Filled ptfe( Filled graphite, Filled Fiber glass, Filled Bronze, Filled Carbon ), Size OD from 30mm to 600mm.

Working temperature:-180 ~ +260 degree;Elongation:230% ;Tensile strength: 18 MPa;Density: 2.1~2.3 g/cm^3

3/8" Stainless Braided Conductive Convoluted PTFE Hose

Material: PTFE
Color: Black
Size: 3/8"
Working Pressure: 1850 PSI
Burst Pressure: 7400 PSI
Temperature Range: -100˚F to 450˚F
Weight (lb): 0.23
Applications: Suitable for conveying acids, chemicals, foods and pharmaceuticals.
Construction: stainless braided

PTFE Convoluted Tubing Hose Features:To absorb effectively vibration, noise,thermal expansion from pipeline system;To resolve minor deviation because of piping connecting and eliminate the pipeline residual stress;Applied to repeated motion in high temperature areas,good anti-fatigue performance;Good flexibility,resistant to high temperature, resistant to corrosion;Applied in the fields of petroleum,chemical industry,aerospace,metallurgy,electricity,gas,building,mechanical,construction,iron and steel,paper making,fabric,medicine,food and vessels etc.

PTFE Convoluted Tube Hose,ID 25mm,White

PTFE Flexible Tube,Teflon Bellows Pipe,Convoluted Hose,ID 25mm

• Diameter: 1.0"
• Made from Pure PTFE
• Price for Length:1 Meter
• Wall Thickness Standard: 1.5mm-2.2mm
• Fatigue Times≥1000

It can be replacement of the low strength graphite hose, ceramic hose and glass hose,

Eliminate the high-frequency vibration.
It can be the feeding and discharge hose of the tankers, tanks ,containers, and reactors.
Also connector of the dislocation pipeline, or balance the displacement of the pipeline caused by weather changed or other reason.

• 1.Provide DN6-150mm,length 20mm-20000mm.Customized are welcome
• 2.Normal wall thickness:1mm-2.5mm,thinnest wall can be 0.5mm
• 3.The number of fatigue:>=10000
• 4.Enhance woven can be chosen
• 5.Different connect way can be available,Generally connected by the Flange,Thread,Quick  connector,or directly connect to the equipment fixed by the clamp or the wire

Use: It can be used to connect low mechanical graphite, porcelain and glass pipeline, as supplying and discharging tube of tanker, store tank, container or reaction kettle. It can be used to connect dislocation pipe, to balance pipeline displacement, size change due to weather or other causes or to eliminate vibration of high-frequency machinery. In some special occasions, it can be used as tube reactor or heat exchanger.