A vacuum pump fluid, or gpl oil, or 143series oil with the same viscosity will have the same electrical properties. For more specific values, follow the links immediately below. The physical properties of 3d printed ptfe parts are comparable to those of conventionally produced parts. Unusual fire hazard ptfe will burn when ignited in 100% oxygen section 4. Teflon ptfe 8a x is a freeflowing white powder composed of relatively large particles and ideal for isostatic molding. This article presents the mechanical properties of ptfe coated fabrics used in central axis roof of shanghai expo. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene. 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. Peek is a highperformance engineering plastic with outstanding chemical resistance, excellent mechanical strength and dimensional stabilization.
It is insoluble in all common solvents and is resistant to almost all acidic and caustic materials. We cannot give a legally binding guarantee of certain properties or the suitability for a specific application. Ptfe introduction several newsletters ago we covered the fluoropolymer family as a whole and described the general properties of this unique group of polymers. A definitive quality guarantee is given in our general conditions of sales. Polytetrafluoroethylene ptfe is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. It offers an excellent combination of properties that are characteristic of teflon fluoroplastic. Pctfe is used as a seat and seal material for cryogenic applications such as liquid oxygen and liquid nitrogen handling. It is a generalpurpose product, often preferred for coating and impregnating woven goods and for some coating processes. Ptfe was the first of the family to be discovered and in.
Ptfe is one of a class of plastics known as fluoropolymers. Material safety data for various grades of ptfe is as. Ptfe material safety data sheet product identification product name. It exhibits useful properties over the widest temperature range of any polymer. When approaching maximum pressure, continuous operating temperature, minimum temperature or 50% of. Both our material formulation and postprocessing steps are optimized to produce parts that meet your most stringent specifications. When clients approach us with enquiries for ptfe tubing, they are primarily concerned with 3 factors. First, groups of offaxial and biaxial tensile tests are carried out, and the. Ptfe polytetrafluoroethylene is a synthetic fluoropolymer of tetrafluoroethylene and is known for being one of the most versatile plastics available. Cellulose, for example, is a polymer, but it cannot be processed like a plastic material unless it is modified. Unless otherwise stated, these values represent averages taken from injection moulding samples. Material safety data for various grades of ptfe is as per material safety data sheets msds sheets. Ptfe is available in a variety of formulations including unfilled, glassfilled.
C water regain 0% gore eptfe fiber capabilities flat and round monofilament 30 denier 33 dtex and higher fibrillated 200 denier 222 dtex and higher. Ptfe polytetrafluoroethylene data sheet at curbell. Ptfe can be used for a wide range of applications and products what we do. In fact, this ptfe lip seal design guide exists separately from other parker eps marketspecific publications precisely because virtually every industry has specific needs for the unique physical and chemical properties of these remarkable seals. Ptfe polytetrafluoroethylene physical properties metric english comments density 2. With pan fibre as raw material, through braiding, weaving, increased processing, impregnated with ptfe and shaping, it has high strength, abrasion and erosion resistance and other properties, it. Glass filled ptfe technical properties data sheet author.
Custom machining of high purity material is available. One characteristic of these products is the excellent, smooth surface. Another popular brand name of ptfe is syncolon by synco chemical corporation. 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. The properties vary slightly, with increasing viscosity typically having higher values. Ptfe also has excellent electrical insulating properties. It imparts properties unique to ptfe resin to porous structures, as well as to base materials when used as an additive. This month, we examine ptfe polytetrafluoroethylene in more detail. The properties of ptfe include three common variations.
Now, thanks to a revolutionary 3d printing process developed by 3m, it is possible to produce ptfe parts with complex geometries and fine details that are beyond the capabilities of conventional processing techniques. Its mechanical properties are low compared to other engineered plastics, but it can be improved by adding fillers such as ceramer, glass fiber, carbon, graphite and similar materials. We have the ability to meet tight tolerances to complicated blueprints. Ptfe tubing key properties of ptfe ptfe has the lowest coefficient of friction of all polymers. Ptfepolytetrafluoroethylene technicaldatasheet service. The wellknown brand name of ptfebased formulas is teflon by chemours. Ptfe is virtually unaffected by oxygen, ozone and uv light. Ptfe flexiseal, flexilip and flexicase seals are utilized in a variety of industries.
Mechanical properties are often enhanced by adding fillers see paragraph below. The graph bars on the material properties cards further below compare ptfe to. Many common synthetic fibers are polymers, such as polyester and nylon. Ptfe is a highly useful plastic material polytetrafluoroethylene ptfe. This is a general guide and should not be the sole means of selecting or rejecting this material. Ptfe is known as a problemsolver, and it is the material of choice for a wide variety of demanding industries and environments. All plastics are polymers but not all polymers are plastics. Ptfe retains some measure of ductility at 4 k and in some situations is used in applications at 540 8c. Table 3 properties of products molded from polyflon ptfe molding powder test condition m12 m18 m111 m112 specific gravity1. 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. Technical data sheet tds physical properties of ptfe.
Very good chemical resistance to all common solvents, acids and bases. Identification of the substancemixture and of the companyundertaking. A polymer is a compound formed by a chemical reaction which combines particles into groups of repeating large molecules. While use of ptfe as a gasket material increased in industrial. Ptfe is material with exceptionally low coefficient of friction. 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. Ptfe is a soft, low friction fluoropolymer with outstanding chemical resistance and weathering resistance.
Aft fluorotec produce moulded rods and tubes in ptfe and filled ptfe compounds such as but not limited to carbon, glass, bronze, stainless steel. Gore eptfe fiber flame resistant fr properties limiting oxygen index loi 95% vertical flame test astm d64 pass continuous operating temperature 260. Chemours was a spinoff from dupont, which originally discovered the compound in 1938. Polytetrafluoroethylene ptfe is high performance engineering plastics having unique properties. Product data sheet ptfe is the most chemically resistant plastic known. For example, preforming pressure, sintering time, cooling rate, void content, and crystallinity level can have a significant effect on certain enduse physical properties, such as tensile properties, permeability, and dielectric strength. 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.
However, in doing so, we have also studied the final characteristics of ptfe tube and tried to make sense of what properties go in to define a tube of good quality that can withstand high temperature and pressure. Typical properties of ptfe astm or ul test property ptfe unfilled ptfe 25% glass filled ptfe 25% carbon filled physical d792 density lbin. Its most unique features are improved moldability at lower pressure and improved surface smoothness of finished parts. Incompatible materials molten alkali metals, interhalogen compounds.