The material properties are assured across all dimension-related processes. . It is used in some of the most demanding industrial applications. 04 Features PCTFE Properties. By influencing the conditions of the polymer-ization process, the average molecular weight and the width of the distribution ptfe etched liners (polytetrafluoroethylene) tight tolerances, traceability, and custom design services are the core of what we do. 4 . [12,13] studied the effect of Al particle size on the mechanical properties of PTFE/Al reactive materials through a quasi-static compression test and a drop hammer impact test and analyzed the mechanical properties and reaction characteristics of PTFE/Al reactive materials after adding an Ni component. Low density sintered PTFE has optical properties that make it desirable for use as a white diffuser in applications such as remote PTFE materials. 2. 10. XXF. The PTFE-based composite material is a typical polymer-based composite material, and its mechanical properties and failure modes under quasi-static conditions can be investigated by a universal testing machine. include the Handbook on Materials for Superconducting Machinery and the LNG Materials & Fluids. PTFE is a remarkable material in many ways [3,4]. Properties of PTFE Thermal properties Thermal stability PTFE is one of the most thermally stable plastic materials. 2 Table 1 Typical Properties of Teflon® PTFE Fluoropolymer Resins ASTM Teflon® PTFE Property Method Unit Granular Resin Fine Powder Tensile Strength, 23°C (73°F) D4894/4895 MPa (psi) 31.0 (4,500) 20.7 min. PTFE also has outstanding chemical and weathering resistance. discovered in the late 1930s. Ware rate. There are literally dozens of different filled PTFE products and grades -- too many to be listed here. Materials with similar chemical compositions often exhibit different optical properties due to their structural composition. P PBT UHMW PTFE ABS PC PPO PSU PEI PEEK PPS PAI PI HDPE PP PVC Short Term Operating Temperature (Degrees fahrenheit) 0 100 200 300 400 500 600 PA 6/6 PA ‐ 6 POM H ‐ C PET ‐ P PBT UHMW PTFE ABS PC PPO PSU PEI PEEK PPS PAI PI HDPE PP PVC Long Term Operating Temperature (Constant degrees fahrenheit) 0 5000 10000 15000 20000 25000 PA 6/6 PA 6 . 6. Please note that the two materials have significantly dissimilar . Due to the hydrophobic properties of PTFE and PFA, the measurement will remain unaffected in case droplets of water build-up on the antenna parts. material with outstanding properties for secondary processing and thermal fusion of thick insulated electric wire, jacketing, medium to large diameter tubes and ingot tubes, etc. Molding and compaction are terms used interchangeably with preforming for PTFE. The material properties in above table are only for reference, measured by each test methods, and do not guarantee minimum value. PTFE is widely used in many applications for both its mechanical and optical properties. Material Properties • Excellent impact resistance • Excellent chemical resistance • Good resistance to stress cracking • Working temperature from -200°C to +150°C This fluoropolymer compound remains these properties even during continuous . PTFE has the unique ability to resist material degrada-tion, heat-aging and alteration in physical properties Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polytetrafluoroethylene (PTFE), Mica Filled". Its Properties Qualify Them For An Ever-Widening Range Of Wiring A Applications, They Are Used In Many Situations, Where Temperature Is Between -65°C And +250°C. With the lowest coefficient of friction of any polymer we offer and an extremely broad working temperature range, PTFE is ideal for The market for low dielectric materials has continued to grow as wireless communications and broadband applications have reached further into mainstream business and consumer use. ptfe etched liners have outstanding low friction properties, non-stick characteristics, and excellent resistance to aging. making PTFE-based composite materials more widely used in military and civilian applications. It is very non-reactive and is often used in containers and pipework for reactive and corrosive chemicals. This wide variety of fabrication possibilities •PTFE 72,000 •LDPE 30,000 IMIDIZED MATERIALS Flexural modulus - stiffness (psi) •PAI (polyamide-imide) 711,000 . PEEK Characteristics. Its superior nonstick properties prevent the accumulation of conductive deposits. Since 1958, Gore has developed products that improve lives. No significant changes to mechanical and physical properties were noted and changes to tensile properties amounted to less than 10%. Polyetheretherketone (PEEK) is a high-performance thermoplastic material that is an excellent choice for demanding applications.It withstands high temperatures and is resistant to chemicals and radiation.PEEK can be used continuously in operating temperatures up to 480° F and in hot water or steam with no compromise to its physical properties. TYPICAL PROPERTIES of PTFE ASTM or UL test Property PTFE (unfilled) PTFE (25% glass filled) PTFE (25% carbon filled) PHYSICAL D792 Density (lb/in³) (g/cm³) 0.078 2.16 0.081 . . < PTFE Compounds > THERMAL BEHAVIOUR OF PTFE At low temperatures Even at -269°C (boiling point of Helium) PTFE still has residual extensibility, so that it can also be used under extreme conditions, e.g. PTFE Cables Have Outstanding Mechanical & Electrical Properties. AF115 is also unaffected by UV Typical Physical properties Technical Data Sheet - TDS - Physical Properties of PTFE and Filled PTFE Products Physical properties of Virgin PTFE & Filled Grade of PTFE are dependent upon many factors such as Grades of PTFE - Conventional, Modified PTFE or Filled PTFE, Particle size of resin - Fine Cut or Coarse, Particle Shape of Resin - Spherical, Properties of PTFE Nearly universal chemical resistance Wide service temperature range of -200°C to +260°C Excellent dielectric properties High limiting oxygen index (LOI) Low surface energy Low coefficient of friction Outstanding weathering & UV stability Atomizing Nozzle No dripping or flow above its melt temperature ical properties tend to decrease, causing heat-aging and material degradation. Polytetrafluoroethylene PTFE is high performance Engineering Plastics having unique properties: PTFE is chemically Inert & nonreactive to almost all known chemicals. PTFE/TFE Yes Yes Yes No Yes 2.2 Rigid PURS 280 Tubing No Yes No No Some 1.18 Moderate PVC 180 Tubing Yes 14 Yes No No Some 1.19 Excellent PVC 380 Tubing Yes 14 Yes No No Some 1.2 Excellent PVC 980 Tubing No Yes No No Some 1.2 Moderate PVDF Yes Yes No Yes Yes 1.78 Rigid ResMer™ Yes Yes No Yes Some 1.15 to 1.50 Rigid SAN No Yes No Yes No 1.07 Rigid °C: 260° 260° 200° 150° 170° °F: 500° 500° 392° 302° 340 . The conventional PTFE fillers are bronze, graphite ,carbon, glass fibers,MoS2 & aluminium nano particles etc.The tribological properties of PTFE are affected by environmental and operating Test Methods Measurements at 1 KHz and 1 MHz were made according to ASTM D150. 1A. Material Properties and Colors Convoluted Tubing Material Choices E ETFE Fluoropolymer (Series 74 standard) Highest tensile strength and lubricity. These materials can be used to make a variety of articles having a combination of mechanical, electrical, chemical, temperature, and friction resisting properties in space. The upper continuous use temperature is 205 °C (401 °F). A . One important application is as bearing materials since PTFE exhibits a lower coefficient of friction compared to other polymers. PTFE is material with Exceptionally low coefficient of friction. If you were trying to invent a highly flexible, chemical resistant, thermal resistant, non-stick and electrically resistant material, and it hadn't already been done, you'd be hoping you could come up with a material somewhere nearly as good as PTFE is in these areas. 10. ETFE (ethylene tetrafluoroethylene) ETFE is used in applications where impact resistance and good resistance to stress cracking is required. 10 10. k ） 1. And these properties might be changed without notice, so it is recommended to refer the data in the newest catalogues. PTFE is one of the best insulating materials and is often used in electrical applications. 1) Virgin PTFE 2) Chemically Modified Virgin PTFE 3) 15%-25% Glass Filled PTFE 4) 5%-15% Glass + 5% MOS2 Filled PTFE 5) 25%-35% Carbon Filled PTFE 6) 15% Graphite Filled PTFE 7) 40%-60% Bronze Filled PTFE 8) 55% Bronze + 5% MOS2 Filled PTFE Physical and Chemical Properties materials and properties references in Table 2. The reflection properties of pressed polytetrafluoroethylene (PTFE) powder! Engineering Plastic PTFE (Polytetrafluoroethylene) - a high performance, low friction, engineering plastic with exceptional resistance to a wide variety of chemicals. EPDM rubber belongs to the thermoset elastomers (rubber) classification, while PTFE belongs to the thermoplastics. POLYFLON PTFE Fine Powder and their properties Table 1 Types of POLYFLON PTFE Fine Powder and Their Properties POLYFLON PTFE can be used continuously at temperature . All values at 73°F (23°C) unless otherwise noted. ments and end-use properties. Delrin® 100, 500 and 900 are known around the world for their outstanding mechanical properties. Properties Bulletin Description Tefzel™ ETFE film is a transparent, thermoplastic film that can be heat sealed, thermoformed, vacuum formed, heat bonded, welded, metallized, laminated (combined with dozens of other materials), and used as an excellent hot-melt adhesive. While there is a great deal of published data on cryogenic material properties, it is often difficult to find and not in a form that is convenient to use. The material is often referred to as polytetrafluoroethylene (PTFE), while Teflon PVDF is a specialty polymer with pyroelectric and piezoelectric . PTFE (polytetrafluoroethylene) is a material with several unique properties. POLYFLON PTFE Fine Powder and their properties Table 1 Types of POLYFLON PTFE Fine Powder and Their Properties POLYFLON PTFE can be used continuously at temperature . Level Measurement Devices Coated in PTFE or PFA Material Differences between PTFE and PFA PTFE, being a fluorocarbon solid, is hydrophobic , meaning that it is less easily wetted by However, in Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The material properties in above table are only for reference, measured by each test methods, and do not guarantee minimum value. Sample （ 10-8. 1. Characteristics include: Excellent thermal and electrical insulation properties. Teflon® has a uniquely high bulk density. 3. Polyvinylidene fluoride (PVDF), also known as polyvinylidene difluoride and PVF 2, is part of the fluoropolymers family; a group of specialised, versatile polymeric materials with distinct properties that result from the strong bond between their carbon atoms and fluorine atoms and the fluorine shielding of the carbon backbone. Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. Please contact Boedeker Plastics for more information about other filled PTFE products for your application. 3.2.5 reground resin—that produced by grinding PTFE material that has been preformed but has never been . F1. The temperature- PTFE exhibits high thermal stability without obvious degradation below 440 °C. PTFE materials can be continuously used below 260°C . PTFE is insoluble in most organics and has excellent electrical properties. Properties with values for just one material (15, in this case) are not shown. 3M™ Dyneon™ PTFE Compound and 3M™ Dyneon™ TFM™ Modified PTFE Compound grades Application Required properties Recommended Fillers Recommended Compounds Gaskets • Creep resistance • Chemical resistance Glass fiber, Carbon, Graphite TFM4105K, TFM 4303, TFM 4215 Shaft seals • Wear resistance • Low friction torque • Low shaft force To this end, techniques were developed to measure the thermal conductivity and crystallinity of PFTE There are no appreciable decompositi-ons at 260°C, so that PTFE, at this temperature, still possesses most part of its properties. 3 /N*m ） Friction coefficient （μ. PTFE is a type of widely used industrial materials. Fig 2 XF1B Examination time ：3,000min Weight (P) Rubbed Material . This paper discusses the effect of thermal ratcheting on the material properties of expand polytetrafluoroethylene (ePTFE), virgin polytetrafluoroethylene (vPTFE), and . Teflon® (PTFE) - PTFE is a synthetic fluoropolymer of tetrafluoroethylene. Neither has been updated since 1977 and are currently out of print. the material, modulus of elasticity E is obtained from the It remains stable at both cryogenic and elevated temperatures (from -400° F up to 500° F), though its mechanical properties are low compared to other engineering plastics. At the center of these solutions is polytetrafluoroethylene (PTFE), a polymer with exceptional properties like high tensile strength, a low dielectric constant, UV resistance and many more.In 1969, the possibilities for PTFE expanded with Bob Gore's discovery of expanded PTFE, or ePTFE. 10. PTFE is widely used in many applications for both its mechanical and optical properties. TYPICAL PROPERTIES of PTFE ASTM or UL test Property PTFE PTFE PTFE (unfilled) (25% glass filled) (25% carbon filled) PHYSICAL D792 Density (lb/in³) 0.078 0.081 0.075 (g/cm³) 2.16 . ×mm. Porous PTFE sheet samples at 2 mm thickness showed a reflectivity over 97%, and we expect the reflectance of thicker samples to be even higher. . in the ultraviolet, visible, and near-infrared spectral regions, combined with certain desirable physical characteristics, make this material exceptionally useful when there is a need for a good white diffuser or a standard of diffuse reflectance. Download full-text PDF. PTFE Compounding has earned an excellent reputation in providing products which offer ex-ceptional physical properties - providing hundreds of solutions for some of the most demand-ing applications. It resists ignition and does not promote the spread of flames. TEFLON PROPERTIES : THERMAL: Properties: ASTM: PTFE: PFA: FEP: ETFE: ECTFE: Maximum Service Temp. Teflon® - a polytetrafluoroethylene (PTFE) - has outstanding dielectric properties that remain stable with frequency and temperature. PTFE maintains the favorable dielectric properties of traditionally processed PTFE. PTFE is Non-adhesive, not bondable & has Anti Stick Properties. Material Introduction. GYLON® Style 3545 MATERIAL PROPERTIES*: Color: White Composition: Microcellular PTFE Fluid Services (see chemical resistance guide): Strong caustics, strong acids, chlorine, hydrocarbons, cryogenics, glass- lined equipment and low bolt load applications2 Temperature1, °F (°C) Minimum: -450 (-268) coverings where the unique properties of PTFE are required. PTFE is used at cryogenic temperatures to seal critical media such as liquid nitrogen (-196 °C), liquid hydrogen (-253 °C) and liquid helium (-269 °C). Measurements at 9.5 GHz were made using a Split Post Dielectric Resonator method. Table 1 provides the material properties of PTFE from different sources [12−14]. . PTFE. Fig1 PTFE Examination time : 5min . electrical properties of Teflon™ PTFE fluoropolymer resin, but with the ability to be processed using conventional thermoplastics processing equipment. 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