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PTFE – Polytetrafluoroethylene

PTFE sheet and rod are excellent for chemical and heat resistance

PTFE – Polytetrafluoroethylene

TFE, PTFE, FEP, PVDF, ETFE, ECTFE, PFA, PCTFE and other Fluoropolymers


Virgin PTFE Sheet and PTFE Rod

Virgin PTFE material is used frequently as a bearing or non-stick surface. It is an excellent choice for caustic fluid handling valves and fitting. Massive size range in  extruded rod, molded rod, tubular bar and thin sheet, plate and film. PTFE is also known as: Fluon®, Diakin®, Flouroplastic®, Fluoropolymer®, Neoflon®, Polyfon®, Chemfluor®, and more. PTFE plate, sheets, rods, strip, slab, block and tubes are normal stock items. The entire range of Fluorocarbon materials are high heat and chemical resistant performance plastics.

Other Fluorocarbon Based Materials We Supply in Sheet, Plate and Round Rod: FEP – Fluorinated Ethylene Propylene; PVDF – Poly Vinylidene Difluoride (Kynar®, Tecaflon®, Sustatec® and more); ETFE – Polyethylenetetrafluoroethylene (Tefzel®); ECTFE – Ethylene Chlorotrifluoroethylene; PFA – Perfluoroalkoxy; PCTFE – Polychlorotrifluoroethylene (formerly KEL-F® or Neoflon®)

Virgin-PTFE-sheets-and-rods

Why you should use PTFE (Fluoropolymers):

  • Very slippery and non-stick
  • Wear resistance
  • 500 degrees F continuous use temperature
  • Excellent chemical resistance
  • Very easy to machine and fabricate
  • PTFE Rod available from .125″ – 6″ as standard
  • Larger sizes are molded per order
  • PTFE Sheet – Film from .005″ – 3″ thickness
  • PTFE Molded Tubing- Vast sizes are available – made to order
  • PTFE is ITAR compliant, and PTFE is RoHS compliant

Frequently used in:

  • Seals, gaskets and stem valves
  • Wear and slide machined parts
  • Chemical resistant fixtures
  • Pump parts and manifolds- from PTFE Rod
  • Scientific aircraft and electronic parts
  • Steam and high temp seals – from PTFE sheet

Material Available As:

PTFE Sheet: .062″ – 4″ in Natural (White) in 48″ X 48″

PTFE Rod: .125″ – 6″ Diameter Natural (White) in 60″ Lengths

PTFE Film: .001″ – .062″ in Natural (White) in 12″ Wide (other widths – require Special Order)

Typical Resin Properties:

General PropertyASTM TestTypical Value
Specific GravityD7922.14 – 2.24
Tensile Strength YieldD6382,500 – 6,000
Tensile ModulusD63880,000
Izod Impact – NotchedD2563.0
Hardness – RockwellD785D50 – D65
Deflection Temp @ 264psiD648150
Deflection Temp @ 66 psiD648250
Co. Thermal ExpansionD6965.5X10-5
These properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed nor implied.

UHMW Sheet compared to PTFE Sheet (TFE sheets)

UHMW Sheet compared to PTFE Sheet (TFE sheets)

PTFE Sheet versus UHMW Sheets

UHMW (Ultra High Molecular Weight Polyethylene) and PTFE Sheet (PolyTetraFlouroEthylene) are very similar materials, and yet very different at the same time. They both possess certain characteristics that make them similar to each other. For instance, they both have a very low co-efficient of friction, which means they are great for sliding applications and are easy to machine.

Both of these materials are very resistant to chemicals such as chlorine and some acids and have great wear resistance. They have low to no water absorption. They ptfe thread sealant tapealso are FDA approved for handling food. PTFE and UHMW Polyethylene are both nearly impossible to bond (without treatment) and are susceptible to sagging under tensile load which is called ‘creep’. These both have very low coefficient of friction and work well for wear strips, slide pads and truck liners to make it easy to empty. These two materials are different in many ways also, and choosing between the two materials for a specific job is critical.

Below are a few examples of how these two materials are different.

1. UHMW is a polyolefin and PTFE is a fluoropolymer. Polyolefins are double bonded carbon while Fluoropolymers are carbon and fluorine bonded. UHMW is a monomer which is consisted of one atom that will bond with another to form a polymer. PTFE is a polymer which is made up of a repeating chain of monomers.

2. PTFE has a higher temperature range than UHMW. The PTFE has a continuous use temperature of 500 degrees F. UHMW is much lower with a continuous use temperature of 200 degrees F and a melting point of 271 degrees F. The UHMW starts to become become soft at higher temperatures while the PTFE is much more resistant and with a melting point of 621 degrees F.

3. UHMW has higher abrasion resistance than PTFE. Both have great impact and wear resistance but because of UHMW having a molecular weight between 2-6 million making it the best wear resistance material in the plastic family, it makes it ideal to take wear and impact over a wider range and longer period of time without losing its properties. Duravar, Lennite, Polystone,Tivar and Polyslick UHMW rod, sheet and film

4. UHMW has a much lower density than PTFE. This makes UHMW able to float in water while Fluoropolymers are significantly heavier (almost twice the density of UHMW) and would sink.

5. PTFE has excellent electrical and thermal properties. The virgin grade of PTFE is a better insulator and exhibits better electrical properties which can be used in radio frequencies, cables and circuit boards while UHMW cannot.

6. UHMW is much less expensive than the Fluoropolymers. Especially recently, PTFE has become harder to come by, and during the last 18 months there has been a global shortage of a key raw material called fluorspar that is used to make all Fluoropolymer materials. The ability to take lots of wear and tear and requiring low long term maintenance makes UHMW more cost effective.

7. The standard color of PTFE is Natural, which is a dense white. The UHMW comes in Natural (a deep milky white) or Black. The UHMW can be produced in many colors, and minimums are rather low. To obtain PTFE in colors is much more difficult, and would also have large minimum orders.

Click here for data sheet comparisons for each material…

UHMW Sheet and Rod Data

PTFE Sheet and Rod Data

Both the UHMW and the PTFE are available as sheet, sheets, sheeting, slab, bar, strip, panels, film, round rod, rods and block. Contact us for assistance with these or other shapes.

PTFE Sheeting Properties

  • Specific Gravity D792 2.14 – 2.24
  • Tensile Strength Yield D638 2,500 – 6,000
  • Tensile Modulus D638 80,000
  • Izod Impact – Notched D256 3.0
  • Hardness – Rockwell D785 D50 – D65UHMW sheet, rod, film and tube available in a wide range of sizes.
  • Deflection Temp @ 264psi D648 150
  • Deflection Temp @ 66 psi D648 250
  • Co. Thermal Expansion D696 5.5X10-5

UHMW Sheeting Properties

  • Specific Gravity D792 .93 – .94
  • Tensile Strength Yield D638 6,800
  • Coefficient of Friction – Static D1894 .25
  • Izod Impact – Notched D256 No Break
  • Hardness – Rockwell D785 R64
  • Vicat Softening Temp D1525 260
  • Deflection Temp @ 66 psi D648 174
  • Co. Thermal Expansion D696 11.0X10-5

These are just some examples of plastic materials being similar, and yet having very different properties. The PTFE Sheet and UHMW Sheet may appear very similar in color and can be used for some of the same applications, but when needed for a specific use or property needed, one might be dramatically better than the other. As the old saying goes, “You should never judge a book by its cover” and the same is true with plastic. Review the properties and test prior to choosing a final material for your application.

Call us for further assistance at 866-832-9315, or click here to contact us with your questions.

Additional Information About UHMW Sheets or Rod Here.

Additional Information About The Discovery Of PTFE Sheet and Rod by Dupont Here

Topic: UHMW Sheet and PTFE Sheet

Plastic Sheet and Sheets – Over 80 Materials To Choose From

Plastic Sheet and Sheets – Over 80 Materials To Choose From

Which Plastic Sheet or Plastic Sheets?

A wide variety of plastics are available in sheet form.

The term: ‘Plastic Sheet‘ or ‘Plastic Sheets’ is more of a general statement covering over a hundred types of plastic materials and plastic products. Some of the most popular plastic materials made as a sheet are:

Large inventory of Performance Plastic Sheet ready for shipment

Large Inventory of Performance Plastic Sh

Wide range of plastic materials in sheet

In addition to the wide range of plastic materials available as plastic sheet, most of these materials are also available as: thin gauge or film, strip, plate, block, slab and plastic panels. The thin gauge or film materials are frequently available with or without a pressure sensitive adhesive also called ‘tape’. Sheet in some materials is available over 4.0″ thick and perhaps as thick as 8.0″ thick in a few materials. The standard sheet size on most of our plastic sheets is either 24″ X 48″ or the larger 48″ X 96″ sheet size; although some materials are available as: 48″ X 120″, 60″ X 96″ or 72″ X 96″. Contact us with with questions on your required piece sizes, we are happy to provide plastic sheets cut to size.

While there are lots and lots of different materials available as plastic sheet, there may only be one or two materials that are right for your application. We want to assist with your search. If you need help choosing the proper plastic material for your application, check out our free Plastic Material Selector Guide. Also, feel free to contact us for further assistance. As a leading plastic sheet distributor since 1975, we feel that we are your best choice as your new plastic sheet and sheets supplier. Give us a call at 866-832-9315.

Topic: Various Plastic Sheet Materials Available

 

Plastic Sheet and Sheets – In Stock Sheeting Materials

Plastic Sheet and Sheets – In Stock Sheeting Materials

Available Plastic Sheet Material

Today’s topic is all about industrial plastic sheet materials in flat sheet or sheets. Also known as plate, slab, strip and bar. Acetal Copolymer and Dupont Delrin Rod

Most plastic materials are processed into sheets or rods. Rods are round, sheet is flat, square or rectangular. These two basic shapes are both generally extruded, although sheet can also be compression molded. Almost all plastic raw materials are available in sheet, and in a huge range of sizes. Most materials are available from .063″ to over 4″ in thickness; and some as thick as 8″ (how to measure thickness accurately, use a 6-Inch Digital Caliper with Extra-Large LCD). Sheet sizes vary, but generally most plastics are produced in 48″ X 96″ sheets or larger, but once again this changes with types of materials and thickness desired. We can help with almost any plastic material.

Need Help Picking a Plastic Sheet Material?

Deciding on the proper material for an application is the first step. Start by reviewing our Plastic Materials Selection Guide to help narrow your search. Having the key properties and needs of your project in mind will help you with this step. Also looking at both the pro’s and con’s of a material will assist in this search. Materials with the greatest property range can be extremely expensive, selecting a material that meets your needs and your budget should be considered.

Step two is researching sizes and availability – this is where we can really help. With most of the major manufacturers as partners, we are able to source your parts from many factories. While the quality from most factories is excellent, the variable is standard and custom sheet sizes. We also stock a wide variety of materials in large sheets. One of our many manufacturers is Westlake Plastics. They have been compression molding large sized sheets of many popular plastic resins; these sheets are available in 48″ X 120″ as a standard sheet size in most plastics. They produce these materials from .250″ – 3.0″ thick or thicker. Other manufacturers produce 24″ X 48″ or 48″ X 96″ sheets as standard. Please contact us for specifics on your material selection.

Acetal Copolymer Sheet and Rod, Tecaform AH, Sustarin C and ZL-900 Copolymer Acetal sheet and rod

Mechanical Acetal Sheet

Most of our plastic resins are available as a sheet. This includes some of the most popular plastics, like: Polycarbonate Sheet, Acetal Sheet, PTFE Sheet, Ultem Sheet and dozens more. Sometimes, Plastic sheet is called: Plate, Strip, Bar, Slab, Block or Panel. Please think of these names as being synonyms with Plastic Sheet. Contact us with your special requirements.

In thicker gauges, plastics are frequently referred to as plate, slab or block. And strips or narrow pieces are called bar. A rose by any other name, call it what you will, the plastic starts as a flat sheet from the factory. We can cut them to size or shape. Blanking of sheets to useable sizes is our specialty. Narrow pieces used for long applications are normally called strip. Strip is common in wear type applications.

For a list of materials we have as standard stock materials, check our Plastic Sheets Page. These and many other plastic materials are available, and custom sizes, shapes and colors vary by base material. As a stocking distributor for dozens of major manufactures, we are the West Coasts leading plastic sheet supplier or distributor. If you are in need of some technical assistance go to our Plasticologist page for specific help.

Contact us for more information on plastic sheet materials. Email us or call 866-832-9315

7 Things You Must Know When Choosing Your PTFE Sheet Suppliers

7 Things You Must Know When Choosing Your PTFE Sheet Suppliers

How to choose your PTFE Sheet Suppliers

Choosing a PTFE – TFE Sheet Supplier can be difficult, confusing and potentially costly. There are many industries and applications where PTFE – TFE Sheet materials are used, and many providers that want to fill this need. However, it can be difficult to find a supplier that meets all of your business’ PTFE – TFE Sheet needs. To help you choose the supplier that is right for your business, we have compiled this list of 7 things you must know when picking PTFE – TFE Sheet Suppliers.

Virgin PTFE sheets, slabs and round rods1. PTFE – TFE is available in many shapes and sizes

Polytetraflouroethylene (PTFE) can be ordered in many different forms, including rods, sheets, blocks, strips, slabs and tubes. As your business grows, you may need access to one or more additional configurations – or perhaps your business is already using multiple configurations. Choose the proper PTFE Sheet Supplier that can meet not only your current needs, but future needs as well. You can view further information about the shapes and sizes as well as and resin properties on our PTFE – TFE information page here.

2. There are a variety of PTFE – TFE Sheet thicknesses to choose from

It is important to have access to multiple sheet thicknesses, and convenient and cost effective to access them all from one Sheet Supplier. That’s why Industrial Plastic Supply offers sheet thicknesses ranging from .005″ to 3.0″, and rod diameters from .125″ to 6.0″. Film is also available. As with in stock availability, your PTFE Sheet Supplier should also be able to meet all of your Sheet thickness needs. Standard sheet sizes are 48” X 48”, and films generally are stocked in 12” wide rolls.

3. Not all PTFE materials are created equal

Some PTFE – TFE Sheet Suppliers order materials from ‘who ever they can get it from’ on an as-needed basis. This brings the question of quality and consistency to mind. There are many manufacturers, including some from China and Russia with questionable quality ratings and machinability. Before committing to a quality PTFE Sheet Supplier, make sure that the supplier is using a reputable manufacturer, and that the quality of material meets your needs. Getting stuck with a poor quality, difficult or impossible to machine block of PTFE can be time consuming and costly.

4. Minimum material order amounts matter

Large Sheet Suppliers and other plastic suppliers often have high minimum order requirements. This makes sense for high volume applications, but for small businesses, or any business in the clutch, it may be necessary to request a smaller total order. Rather than work with multiple PTFE or Plastic Sheet Suppliers based on order size, choose a supplier that can service any order whether large or small. Industrial Plastic Supply has a low minimum material order of $20.

5. Many suppliers do not keep inventory in stockptfe thread sealant

Just like Grandpa used to say, “You can’t sell from an empty cart”. 

Buying your materials from a plastic ‘broker’, means you may have to wait while they try to find the materials to fulfill your requirements. It may also mean that you get the quality of material that they can find quickly. While this may be acceptable for materials that are rarely ordered, your PTFE Sheet Supplier should have your business’ most commonly used materials on hand. This avoids delays and ensures the quickest possible turnaround times on your important orders, and materials from stock means a quality product for your parts.

6. Industry knowledge is critical

You want a Sheet Supplier that not only can deliver your materials, but answer any questions you may have, including the tough ones – whenever they arise. Finding a quality PTFE Sheet Supplier with expert knowledge and great availability will save your business headaches in the long run. Industrial Plastic Supply’s highly trained staff has an average of nineteen and a half years of experience in the plastic industry, and are only a phone call or e-mail away.

7. Choose a supplier with focus

A focus on industrial grade plastic supplies ensures that a supplier is specialized and knowledgeable enough to be your PTFE Sheet Supplier. By focusing on plastics, such a supplier will be dedicated to your mechanical plastic Sheets, Rods, Tube and other shape needs, no matter the application, and no matter how your business changes. Your important orders will be processed timely and efficiently. Since 1975, Industrial Plastic Supply has focused on the mechanical and machinable plastics market, and nothing else. For more information on PTFE Sheets or other plastic materials, contact Industrial Plastic Supply, 866-832-9315. We will work to earn your business. Also, compare PTFE with UHMW or read our post UHMW Sheet versus PTFE Sheets; or read our post How to use PTFE Rod for ideas.

Topic: PTFE Sheet Suppliers