Ptfe properties ptfe material high performance plastic. Polyfluron ptfe is a virginal paste extruded ptfe exhibiting exceptional thermal, chemical, mechanical and electrical properties. Abrasive wear performance of the blends on the other hand, deteriorated with increasing amount of 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. The specific polymerization process of patentpending tsmart ptfe has the ability to reach exceptional performance properties over the virgin ptfe in mechanical, chemical, and thermal applications.
For more specific values, follow the links immediately below. Glass 15% and mo2s molybdenum disulfide 5% filled, grey ptfe offers greater wear properties and resistance to cold flow. Ptfes low coefficient of friction, excellent electrical properties, high chemical resistance, and stability in wide temperature ranges make it a choice material for electrical and thermal applications like coil separators and terminals, as well as hightemperature seals, insulators, and bearings. Standard specification for polytetrafluoroethylene ptfe. Ptfe polytetrafluoroethylene data sheet at curbell plastics. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. Polytetrafluoroethylene is a highly crystalline robust unique plastic with a high melting point. 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.
Sci entifically teflon is called polytetrafluroethylene ptfe. Most mechanical properties depend strongly on the processing conditions, which influence density, strength, elasticity, hardness and dielectric characteristics. Plunkett 1 9101994 in 1938 and was used as a commercial product in 1946. Ptfe is a highly useful plastic material polytetrafluoroethylene ptfe. Ptfe can be used for a wide range of applications and products what we do. It is stable to high temperatures and has a very low coefficient of friction. If you were trying to invent a highly flexible, chemical resistant, thermal resistant, nonstick and electrically resistant material, and it hadnt already been done, youd be hoping you could come up with a material somewhere nearly as good as ptfe is in these areas. Overview of fluoropolymer materials professional plastics.
Many peculiar properties such as high thermal conductivity in composite form, mechanical strength, hydrophobicity, and chemical inertness have. Ptfe s low coefficient of friction, excellent electrical properties, high chemical resistance, and stability in wide temperature ranges make it a choice material for electrical and thermal applications like coil separators and terminals, as well as hightemperature seals, insulators, and bearings. Ptfe is one of a class of plastics known as fluoropolymers. 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.
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. Typical properties of ptfe astm or ul test property ptfe unfilled ptfe 25% glass filled ptfe 25% carbon filled physical d792 density lbin. Ptfe material safety data sheet product identification product name. A polymer is a compound formed by a chemical reaction which combines particles into groups of repeating large molecules. It has excellent chemical resistance, is unaffected by nearly all chemicals, and has a very high oxygen index i. Its superior nonstick properties prevent the accumulation of conductive deposits. Park valley corporate center 1155 phoenixville pike suite 103 west chester, pa 19380 phone. We focused on the physical properties of ptfe in relation to its application as a material for use in prostheses and dental devicesinstruments. The properties and advantages of ptfe aft fluorotec. Both our material formulation and postprocessing steps are optimized to produce parts that meet your most stringent specifications. Polytetrafluoroethylene ptfe, a strong, tough, waxy, nonflammable synthetic resin produced by the polymerization of tetrafluoroethylene. Identification of the substancemixture and of the companyundertaking trade name.
Sep 05, 2001 polytetrafluoroethylene ptfe is a totally fluorinated polymer which is white, semiopaque, and semicrystalline. Standard standard ptfe, for example, has an exceptionally wide thermal appli. This material also holds wras, nsf61, dvgw w270, ktw portable water approvals. The basis for this is the chemically exceptionally stable carbonfluorine molecular structure.
Density range of ptfe parts produced by conventional technologies. When talking about the material mechanical properties, tensile strength and elongation at break are usually the topics before others. Ptfe plastic soft, low friction material curbell plastics. Ptfe is the material of choice for gaskets, vessel linings, pump interiors, washers, rings, seals, spacers, dip tubes and welldrilling components because it is corrosion resistant and chemically inert. Technical data sheet tds physical properties of ptfe and.
The contents include the requirement for construction of materials, dimensions together with standard test procedure. Virgin unfilled grade ptfe unfilled ptfe, made from virgin ptfe resin, is extremely soft and formable and it is often used for chemical resistant seals and gaskets. Ptfe is one of the best insulating materials and is often used in electrical applications. Ptfe is used extensively in many different industries. The physical properties of 3d printed ptfe parts are comparable to those of conventionally produced parts. Tsmarts unique snapback capability may enable use of ptfe in existing nonptfe applications, and may additionally help eliminate costly reforming processes. Influence of ptfe content in peekptfe blends on mechanical. Another popular brand name of ptfe is syncolon by synco chemical corporation. Technical properties property test method characteristic backing material ptfe film backing thickness in 0. All properties presented in this handbook should be considered as typical values and are not to be used for specification purposes. Fluoroplastics has successfully bonded 116th inch ptfe to steel support rails for use in a steel pickling operation, where the processed steel was bathed in a light sulphuric acid bath to modify its surface. Properties method unit unfilled ptfe typical values filled ptfe type of filler % approx.
Glassfilled ptfe glassfilled ptfe has enhanced strength and stiffness. Ptfe is material with exceptionally low coefficient of friction. Ptfe products and grades too many to be listed here. With superior properties offering a host of functional and cost benefits. The physical properties of the sintered ptfe were measured and the. Polytetrafluoroethylene ptfe is high performance engineering plastics having unique properties. Technical data sheet tds physical properties of ptfe. There are many popular filled grades ptfe products brand named as trexonn, turcite b, rulon ar, rulon aj gold having specific. Performance properties and applications of polytetrafluoroethylene. Ptfe the mechanics ptfe applied coatings ptfe teflon. We have several search tools, listed above, that give you more efficient methods to reach the information that you need. Ptfe lined pipe and fittings specification for ptfe lined pipe and fitting 1. However, the very properties that make ptfe coatings so useful in such applications also make it very difficult to form ptfe coatings which are sufficiently adherent to their substrates. However, these two properties, though the most common ones, do not always carefully reflect the behavior of the material itself in some applications, while compressive properties are actually the most important ones.
Many common synthetic fibers are polymers, such as polyester and nylon. Since this is different from almost any other material of construction, it requires careful consideration of the more detailed explanations which follow. Known by such trademarks as teflon, fluon, hostaflon, and polyflon, ptfe is distinguished by its slippery surface, high melting point, and resistance to. Article pdf available december 2011 with 825 reads. Uses of teflon and properties with its sample paper pdf to. Carbon 25% filled, dark grey ptfe has excellent wear and frictional properties well suited for dynamic. Typical properties of ptfe astm or ul test property ptfe ptfe ptfe unfilled 25% glass filled 25% carbon filled physical d792 density lbin.
Rouxel4 in comparing a material s resistance to distort under mechanical load rather than to alter in volume, poissons ratio offers the fundamental metric by which to compare the performance of any material when strained elastically. C ptfe is commonly used in backup rings and as a component of specialty seals within a wide range of markets. The properties of ptfe include three common variations. Pctfe is a tough, durable fluoroplastic that exhibits unique physical and mechanical properties. The density of different ptfenanoeg composites reinforced with. Ptfe polytetrafluoroethylene physical properties metric english comments density 2. Ptfe also has excellent electrical insulating properties. This substitution enhances a number of ptfes properties, including thermal stability, chemical resistance, electrical.
Because it is nonwettable and absorbs only negligible amounts of water, it retains its high resistivity in damp, polluted environments. These properties render ptfe very valuable for forming protective surface coatings, in a wide range of applications from nonstick cookware to surgical sutures. The graph bars on the material properties cards further below compare ptfe to. It has the highest strength and highest ductility compared to the other variants of ptfe. The material has a propensity to exhibit considerable elastic deformation under load. The 30% ptfe blend showed excellent combination of. The graph bars on the material properties cards below compare unfilled ptfe to.
Mechanical properties improved by improving ptfe hardness while typically reducing cold flow or creep. Ptfe polytetrafluoroethylene is a material with several unique properties. Another popular brand name of ptfe is syncolon by synco chemical. Compounds and semifinished products made from ptfe. Please contact boedeker plastics for more information about other filled ptfe products for your application. Stocked materials typically ship in 25 business days. Ptfe is stable at temperatures up to 500f and it is often used in high temperature environments. Chemours was a spinoff from dupont, which originally discovered the compound in 1938. Unfilled ptfe sheet, made from virgin ptfe resin, is extremely soft and formable and it is often used for chemical resistant seals and gaskets. Ptfe polytetrafluoroethylene data sheet at curbell. Ptfe polytetrafluoroethylene is a synthetic fluoropolymer of tetrafluoroethylene and is known for being one of the most versatile plastics available.
The tendency of ptfe to deform into largeaspectratio fibrillar structures during melt blending, and developing topological interactions i. Ptfe polytetrafluoroethylene ptfe is a soft, low friction fluoropolymer with outstanding chemical resistance and weathering resistance. It is manufactured using very specialised plant and process controls. Ptfe is also available in a tape, fabric, and tubing. 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. Pdf the properties of polytetrafluoroethylene ptfe in.
Apt typically molds and machines the daikin neoflon m400h grade of pctfe. Ptfe tailored for top performance and functional reliability ptfe the material that provides the basis for technical solutions in a wide range of applications. A resin material for possible use in dental prostheses and devices. Ptfe resin does not flow when it melts and cannot be injection molded.
Pvdf has a very good creep resistance that is superior to that of other fluoropolymers. Pdf preparation and mechanical properties of ptfenanoeg. The wellknown brand name of ptfe based formulas is teflon by chemours. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene. Ptfe mechanical properties are low compared to other polymers, but its flexibility at low temperatures is a key feature. This is a polymer which has repeatin g chains of cf 2cf 2 in it. Pvdf is mainly used in critical applications requiring an excellent chemical resistance, a high degree of purity and excellent mechanical properties. Ptfe compounded with fillers like glass fibers, carbon, graphite, bronze, mos2, peek etc. Unfilled peek proved to be fairly good wearresistant material but exhibited high. The universal chemical resistance of polyfluron ptfe allows the operation with nearly all kinds of aggressive media. Physical data boiling point f na freezing point f volatility volume % na melting point. Polytetrafluoroethylene an overview sciencedirect topics.
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