Ptfe properties ptfe material high performance plastic. It exhibits useful properties over the widest temperature range of any polymer. Ptfe and pfa similarities and differences white paper table 1. Pdf ptfe as a masking material for mems fabrication. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene, which finds many applications. Excellent electrical properties make ptfe highly specified in arduous electrical. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. It has excellent thermal and electrical insulation properties and a low. Both are virtually identical in terms of their electrical properties for dielectric, dissipation, and surface resistivity. Low moisture absorption, good mechanical and excellent thermal resistance properties make pps ideally suited for precise tolerance machined components. Ptfe can be used for a wide range of applications and products what we do. Another popular brand name of ptfe is syncolon by synco chemical corporation. Ptfe polytetrafluoroethylene is a synthetic fluoropolymer of tetrafluoroethylene and is known for being one of the most versatile plastics available.
Technical data sheet teflon ptfe laminated plastics. Teflon can be used in a a variety of applications having a combination of mechanical, electrical, chemical, temperature and antifriction properties that are. The combination of ptfe fibers uniformly dispersed in pps produces a material close the gap both in performance and price between the standard thermoplastic materials e. Not only is it highly chemical resistant, durable, flexible, and electrically and thermally resistive, it is also an extremely costeffective option for highperformance seals and o rings. Park valley corporate center 1155 phoenixville pike suite 103 west chester, pa 19380 phone. Polymer properties pfa properties and fep properties. Being hydrophobic, nonwetting, high density and resistant to high temperatures, ptfe is an incredibly versatile material with a wide variety of applications, though its perhaps bestknown for its nonstick properties.
Ptfe products and grades too many to be listed here. Ptfe teflon properties polytetrafluoroethylene ptfe is a manmade polymer that has particular applications in manufactured products because of the chemical properties of ptfe. May 24, 2017 ptfe tube end properties and characteristics our recent installation of a continuous line ptfe paste extruder has thrown up many findings. The graph bars on the material properties cards below compare unfilled ptfe to. Many common synthetic fibers are polymers, such as polyester and nylon. Soak up with sawdust, sand, oil dry or other absorbent material. Since this is different from almost any other material of construction, it requires careful consideration of the more detailed explanations which follow. The format tab appears in the properties dialog box for only text form fields or dropdown form fields. Encyclopedia of environmental health second edition, 2019.
Technical data sheet physical properties of ptfe and. Ptfe retains some measure of ductility at 4 k and in some situations is used in applications at 540 8c. The wellknown brand name of ptfebased formulas is teflon by chemours. The wellknown brand name of ptfe based formulas is teflon by chemours. There are many popular filled grades ptfe products brand named as trexonn, turcite b, rulon ar, rulon aj gold having specific.
Material description glass filled ptfe carbon filled ptfe colour black notes the addition of fillers to the ptfe improves or modifies its properties depending upon the nature and quantity of filler. Polytetrafluoroethylene ptfe was originally developed for use in aerospace applications but soon found a home in countless industrial applications. It is insoluble in all common solvents and is resistant to almost all acidic and caustic materials. At each stage, we have needed to evaluate whether the finding impacts the properties of the final product. Identification of the substancemixture and of the companyundertaking trade name. Technical data sheet tds physical properties of ptfe and. Ptfe has excellent properties such as chemical inertness,heat resistance both high and low, electrical insulation properties, low coefficient of friction static 0. It has the highest strength and highest ductility compared to the other variants of ptfe. Chemours was a spinoff from dupont, which originally discovered the compound in 1938. The material has a propensity to exhibit considerable elastic deformation under load.
The properties of ptfe include three common variations. Mechanical properties improved by improving ptfe hardness while typically reducing cold flow or creep. The graph bars on the material properties cards further below compare ptfe to. Our advice can be as broad ranging as helping you consider elements such as chemical. Unit 14 portland business park, richmond park road, sheffield, s 8hs. Fluorinated ethylenepropylene copolymers are fully fluorinated and meltprocessible. Ptfe is a highly useful plastic material polytetrafluoroethylene ptfe. The effects of temperature, pressure, and absorptivity of the chemicals in ptfe, and their interaction, are what in time usually limit the conditions under which ptfe will perform satisfactorily. Mcneill, in comprehensive polymer science and supplements, 1989. Polytetrafluoroethylene an overview sciencedirect topics. Please contact boedeker plastics for more information about other filled ptfe products for your application. Chemical properties of pfa are similar to those of ptfe. Ptfe resin does not flow when it melts and cannot be injection molded.
Ptfe polytetrafluoroethylene data sheet at curbell plastics. Known by such trademarks as teflon, fluon, hostaflon, and polyflon, ptfe is distinguished by its slippery surface, high melting point, and resistance to. Pfa is attacked by radiation, and degradation in air begins at a somewhat higher dose than that of ptfe which starts to degrade at 0. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene. Polyphenylene sulfide pps offers the best chemical resistance with no known solvents below 392f 200c. We extrude ptfe in various forms and also electrospin this material to make next generation composite stent coatings. Ptfe polytetrafluoroethylene physical properties metric english comments density 2.
Typical properties of ptfe astm or ul test property ptfe unfilled ptfe 25% glass filled ptfe 25% carbon filled physical d792 density lbin. Another popular brand name of ptfe is syncolon by synco chemical. When i was writing about ptfe on the page about polymerisation of alkenes, i spent ages trying to find out why ptfe was nonstick and failed completely part of the information i found on the web i know to be untrue or illogical, but there is a mass of stuff which, to be frank, i simply dont understand. Mechanical properties are often enhanced by adding fillers see paragraph below.
The unusual properties of ptfe can be explained on the basis of its. Ptfe tube end properties and characteristics our recent installation of a continuous line ptfe paste extruder has thrown up many findings. Ptfe properties are often enhanced using a variety of fillers creating a ptfe compound, such as a 15 or 25% glass filled ptfe, to improve wear resistance, increase part stability, and improves creep strength and reduce deformation under load in comparison with virgin grade ptfe. Physical data boiling point f na freezing point f volatility volume % na melting point. Ptfe as a masking material for mems fabrication article pdf available in journal of micromechanics and microengineering 15. Polytetrafluoroethylene ptfe, a strong, tough, waxy, nonflammable synthetic resin produced by the polymerization of tetrafluoroethylene. Ptfe is commonly known as teflon ptfe teflon and was originally developed by the dupont corporation. Consequently, in applications that require a frictionless surface and resistance to load, such as bearing surfaces, the deformation characteristics of ptfe are improved with the use of additives and fillers. Ptfe is stable at temperatures up to 500f and it is often used in high temperature environments.
Material safety data for various grades of ptfe is as per material safety data sheets msds sheets. Ptfe and pfa comparison1 takeaway both ptfe and pfa show outstanding chemical properties for resistance to corrosive agents, nonsolubility, and nonflammability. Prevent material from entering sewers, waterways, or low areas. Ptfe polytetrafluoroethylene ptfe is a soft, low friction fluoropolymer with outstanding chemical resistance and weathering resistance. A polymer is a compound formed by a chemical reaction which combines particles into groups of repeating large molecules. Ptfe polytetrafluoroethylene is a known solid lubricant and when used as a filler improves the tribology properties wear and friction resistance of a broad range of base polymers.
Ptfe also has excellent electrical insulating properties. Table 1 lists physical property data relating to the. Polytetrafluoroethylene ptfe is high performance engineering plastics having unique properties. Known by such trademarks as teflon, fluon, hostaflon, and polyflon, ptfe is distinguished by its slippery surface, high melting point, and resistance to attack by most chemicals. Polytetrafluoroethylene is a highly crystalline robust unique plastic with a high melting point. Molding and compaction are terms used interchangeably with preforming for ptfe.
Technical data sheet tds physical properties of ptfe. Aft fluorotec produce moulded rods and tubes in ptfe and filled ptfe compounds such as but not limited to carbon, glass, bronze, stainless steel, polymer, mineral and. Special precaution in handling and storage above 275 c 527 f, ptfe products can evolve toxic gaseous products. Ptfe compounded with fillers like glass fibers, carbon, graphite, bronze, mos2, peek etc.
Pdf the polytetrafluroethylene ptfe polymerbased nanocomposites filled with nanoscale lamellar structure expanded graphite nanoeg and reinforced. The following information corresponds with our current knowledge and indicates our products and possible applications. Kinney, engineering properties and applications of plastics, p. Dupontteflon ptfe specifications typical properties of teflon ptfe astm or ul test property ptfe unfilled ptfe 25% glass filled ptfe 25% carbon filled physical d792 density lbin. Mechanical properties parameter value unit din eniso astm modulus of elasticity tensile test 1mmmin 28 00 mpa 527 2 tensile strength 22 mpa d4894 tensile strength at break mpa 527. Typical properties of ptfe astm or ul test property ptfe ptfe ptfe unfilled 25% glass filled 25% carbon filled physical d792 density lbin. Ptfe is material with exceptionally low coefficient of friction. Applications catheter componentry wire and cable insulation furcation tubing for fiber optics analytical and fluid management tubing. For more specific values, follow the links immediately below. Ptfe is one of a class of plastics known as fluoropolymers. Ptfe polytetrafluoroethylene data sheet at curbell.
The material may also be inert gas sintered to further improve creep properties and reduce porosity would be a consequent loss of tensile properties. Ptfe polytetrafluoroethylene is a material with several unique properties. Af207 15% carbon filled ptfe carbon filled ptfe has excellent compressive strength, wear and chemical resistance. Pdf preparation and mechanical properties of ptfenanoeg. Standard specification for polytetrafluoroethylene ptfe.1337 1166 1423 740 1409 1286 1243 1380 102 210 769 218 1690 40 1694 1491 1042 128 1079 991 958 634 958 1607 1571 1450 700 1175 118 894 325 200 1692 1125 902 1622 619 62 163 694 1010 108 654 665 53 391 157