Because FEP is fully fluorinated like PTFE, it is extremely inert, has excellent electrical properties, high chemical stability, low friction. When both hold-up time is long and temperature is high, the rear zone should be set to a lower temperature than the front zone to minimize polymer degradation. Any drug–polymer combination that meets the above criteria can be used to successfully melt-extrude a drug-loaded fiber. It is a key problem for ETFE in the processing at temperatures higher than its T m, which is reported as high as 282 °C [11]. 5 25 50 125 Approx. It has strong impact resistance and a Young's modulus in the range of 1700 MPa, allowing for self-standing items and pressure piping systems. Melting Point. CSI has been using Whitford coatings for at least 20 years and will. LM-ETFE resins are modified to provide a 30-40 ℃ lower melting point. Fluoropolymers. The polarity of these groups leads to: Insolubility. Tefzel® ETFE Grade Resin Characteristics Applications 200 General-purpose fluoropolymer resin with intermediate • Electrical sleeving, coil forms, flow rate. Although not fully fluorinated like PTFE, FEP and PFA, ETFE maintains many of the high performance characteristics such has high temperature (continuous service temperature of 150 Deg C), 20-year weathering, very good electrical properties, and very good chemical inertness. AGC Chemicals Americas, Inc. Fluon®ETFE is a tough fluoropolymer that has chemical resistance and electrical properties comparable to. It has a fairly high density among thermoplastics. Figure 1. Once located, the screw can be removed and inspected for. The table below lists average deflection temperatures at 0. In some cases, the smoke at the ETFE-surface won’t reach a temperature, which will cause the ETFE-foil cushion to melt, therefore, it is worth considering the installation of automatic actuators in facades or roofing-areas in order to ventilate the space of smoke if proved required by fire engineer. It has excellent heat-age properties and can withstand high. The melting temperature represents the crystallite size and an increase in T m is. Polym Bull. 19 @23C The melting (T m) and glass transition (T g) temperatures of a series of ethylene (E)–tetrafluoroethylene (TFE) copolymer (ETFE) have been found to show unique dependence on the TFE content with the minimal and maximal points. Nylon 11 is seen to have increased dimensional stability in the presence of moisture due to its low concentration of amides. 5 °C (−224. Water absorption and weathering affect PFA more than PTFE, although PFA is superior in salt spray resistance. Melting Point: 225-270 °C: Thermal Conductivity: 0. 5 25 50 125 Approx. . 0: Btu/lb/deg F kJ/Kg/deg K: Heat Distortion Temperature, 66 lb/sq. Melt Flow Rate* Features Molding Methods and Applications; C-55AP: 5 - 7: General. The fuel cell performance of ETFE films was satisfactory when compared to state-of-art Nafion® membranes. The melt point of ETFE is about 242 °C, and crystallization point 259 °C. The 3M TC hot melt stick size is a 5/8” X 2” glue stick meant for use with the 3M Polygun TC or Polygun LT (depending on temperature, but we'll get into that later). 22 °C) [25] . ETFE film, has excellent mechanical strength and flame resistance, exposure of 3000 hours and still no change in mechanical properties. It has a higher melting point (327 °C) than ETFE (267 °C) and can keep its characteristics at greater temperatures. 6°C and 34°C higher than pure ETFE. Most people commonly utilise PTFE by using a commonly seen trademark: Teflon, which is a PTFE coating for non-stick household items. Fluon ETFE possesses a unique combination of desirable properties such as higher resistance to heat and chemical attack and outstanding physical. Oxygen plasma is used in biomedical processing to facilitate surface modification. 6: Btu/lb/deg F kJ/Kg/deg K: Heat Distortion Temperature, 66 lb/sq. Polyimide (Dupont TM Kapton) Lightest weight wire insulation material. The drawback of this technique is that there are a limited number of pharmaceutical agents and no biologically derived agents that can withstand the temperature and stress of the melt extrusion process with retained biological function. 7 1. Melting Point; Maximum Service Temperature, Air; Deflection Temperature at 0. Oshima et al. Description: Fluon® ETFE is a melt-processable copolymer of tetrafluoroethylene and ethylene. PCTFE is stiffer than PTFE, which means it lacks some of the softness of PTFE when it comes to sealing, but that it also holds its dimensions more easily. ETFE Melting Point D3418 °C (°F) 327 (621) 260 (500) 306 (582) 267 (512) Cure Temperature --- °C (°F) 379-429 (715-805) 360-385 (680-725) 379-399 (715-750) 302-323 (575-615) Max. In particular, PVDF and ETFE are isomers; PVDF has a higher thermal decomposition temperature than ETFE. Service temperature ranges up to 150 degrees C with specific gravity of 1. 76 Hexane 35 0. The melting temperature and enthalpy after the second heating run are mainly determined by the cooling rate of the previous step [22]. A thermoplastic polyurethane is characterized by a wide range of properties. Thus, they slow down the spre ad of fire and. 50e+6 cP Grade Count:2: Melt Flow : 3. 7-fold excess of that of the fluorine atoms in ETFE) at 320 °C, the yields of F – and. A thin, hard polymer coating provides mechanically strong fiber with excellent. Unlike most other ETFE materials, LM-720A has a lower melting point of 225°C (compared to 260°C for most ETFE), improved chemical resistance and thermal stability, enhanced optical clarity, increased flexibility, and a. 30-35. temperature (25 °C) and pressure (101 kPa), 1 mg/m3 = 4. Melting point: −142. In the case of ETFE mixed with AP, the polyoxide may act as a nucleating agent for ETFE improving its crystallization. 245-265. 5 25 50 125 Approx. 24: 0. still maintains a service temperature of 150 °C (302 °F). ETFE specimens were irradiated at liquid nitrogen (77 K) within 20 MGy with a dose rate of 29. ETFE foils have a broad continuous use temperature range between -328°F and 330°F (-200°C to 165 °C). Melt Point, °C ISO Glass Transition Temp, °C ISO 11357 Density, g/cm³ ISO 1183 Mold Shrink, % ISO 294 Hytrel® 3078 26 21 NY NY 24 900 177 -60 1. Melting temperature at 0. PVDF. After time–temperature superposition, shifted shear viscosity, extensional. Polyvinylidene fluoride (PVDF) or polyvinylidene difluoride (PVF 2) is a semi-crystalline thermoplastic fluoropolymer. The melting temperature of PTFE is 327 o C and ETFE 267 o C, but both of these materials begin to soften below at lower temperatures. Tefzel™ ETFE Conductive Fluoroplastic Version 3. 46 J/g. 1). ETFE ethylene-tetrafluoroethylene (was E/TFE in ISO) EVAC ethylene-vinyl acetate EVAL See EVOH EVOH ethylene-vinyl alcohol (was EVAL in ISO). 15 2 . It provides the superior properties typical of fluoropolymer resins, such as excellent retention of properties after service, chemical inertness, and mechanical toughness. It, therefore, can be molded or processed over a comparatively wide. Description: Fluon® ETFE is a melt-processable copolymer of tetrafluoroethylene and ethylene. dissolved in a liquid phase or a solvent below the melting start temperature of a fluororesin and this meltable fluororesin at 35: 65-95: 5. The unit cell is orthorhombic with the dimensions: a = 8. Features include chemical and abrasion resistance. The ETFE resin EP541 was purchased from DaiKin Industries, Ltd. T PTFE Outstanding resistance to corrosives, -95°F to 500°F temperature rating. The storage modulus for pure ETFE film shows a broad glass transition point at about 60 °C, and the film shows a rubbery modulus. area factor, ft2/lb 200 100 50 20 Approx. (1) Light weight and high strength -- ETFE density is 1. See a complete technical breakdown on. Both 30 CF PTFE and ETFE are thermoplastics. However, this paste-extruded fluoropolymer material is moreTefzel ™ ETFE HT-2183 and the other Tefzel fluoroplastics are melt processible, modified copolymers of ethylene and tetrafluoroethylene. Open navigation menu. 6 0. Pure ETFE is colorless and can be processed into transparent ETFE film with light transmittance of up to 95%. Vapor Temperature, °C g/100 sq in. Injection Molding Parts Design;. Thermal Expansion -in/(in °F) ASTM D696 4x105Abstract: With the first use of ETFE foils in building structures in the 1980s at the Burgers’ Zoo in Arnhem, Netherlands, the implementation of ETFE foils in roof and façade systems in large-span structures has become steadily more prominent. Melting Temperature. The melting point of Halar ECTFE is 240 °C and the melting point of the ETFE coating is 260 °C. To safely design ETFE foil structures, their mechan-ical behaviour has to be fundamentally. For rotational molding, Tefzel™ ETFE HT-2195 powder is placed inside a hollow metal structure that is slowly rotated biaxially and heated above the melting point of the powder around 257 °C (495°F). They are mechanically tough andFluorinated ethylene propylene ( FEP) is a copolymer of hexafluoropropylene and tetrafluoroethylene. This wider temperature range allows for improved processability, flexibility and strength. ETFE (Ethylene Tetrafluoroethylene) FEP (Fluorinated Polyethylene) PFA (Perfluoroalkoxy) Common Trade Name: Tefzel™ Teflon™ Teflon™ Temperature Class: F: F: H: Maximum Operating Temperature: 155°C: 155°C: 180°C: Melting Point: 220-280°C: 255-260°C: Approx. The melt point of ETFE is about 242 °C, and crystallization point 259 °C. For determining melt point and then selecting suitable extruding temperature, thermal analysis was performed (Fig. 49°C and 480°C, which were 52. area factor, m2/kg 40 20 10 4 Availability Type LZ - ETFE, general-purpose X X X X Type CLZ - ETFE, one side cementable — X X X the structural stability of ethylene tetrafluoroethylene (ETFE), by mixing this polymer matrix with polyoxides. 49°C and 480°C. provided the melt density at the test temperature is known. Melting Point; Maximum Service Temperature, Air; Deflection Temperature at 0. 150 °C (302 °F) and 200 °C (392 °F) appliance wire; Teflon™ FEP and Tefzel™ ETFE; 250 °C (482 °F) Teflon™ PFA/Teflon™ PTFE. Even in critical melting point (service temperature) ratings, both materials have identical properties. S. Standard Number. to 3/4 in. 1. 1. area factor, m2/kg 40 20 10 4 Availability Type LZ—ETFE, general-purpose X X X X Type CLZ—ETFE, one side. E ETFE Fluoropolymer (Series 74 standard). . g. Chemically resistant: The exceptions include molten alkali metals, gaseous fluorine at high temperatures and pressures, and a few organic halogenated compounds such as chlorine trifluoride (ClF 3) and oxygen difluoride (OF 2). Good outgassing characteristics. To meet these demanding and various expectations, DAIKIN has developed two exhaustive range of Fluoropolymers: POLYFLON Series, a variety of high-performance PTFE. 238: Btu·in/h·ft2·°F W/m·K: ASTM C 177: Specific Heat: 0. *Manufactured in the USA by experienced. Daikin ETFE is an alternating copolymer of ethylene and tetrafluoroethylene. Melting point: −142. 207 Special-purpose fluoropolymer resin with a higher • Ideal for injection molding and Other Standards From NEC, UL, SEMI, and CSA. Because the latter monomer mainly exists as its tautomer acetaldehyde, the copolymer is prepared by polymerization of ethylene and vinyl acetate to give the ethylene vinyl acetate (EVA) copolymer followed by hydrolysis. 4. Excellent resistance to extremes of temperature, ETFE has a working temperature range of -200°C to 150°C. Fluon® ETFE LM-720A is a modified ethylene tetrafluoroethylene (ETFE) polymer. Fluon® ETFE C-88AXP is a melt-processable copolymer of tetrafluoroethylene and ethylene that offers a unique combination of properties such as high resistance to heat and chemical attack and exceptional physical toughness. 5-1. ETFE Tubing; PVDF Tubing; Thermally Conductive H2 Tubing; Heat Shrink Tubing; Striped Tubing;. During recent years, there has been some. 207 Special-purpose fluoropolymer resin with a higher • Ideal for injection molding andOther Standards From NEC, UL, SEMI, and CSA. AGC Chemicals Americas, Inc. UL-758. from AGC Chemicals Americas, Inc. The melting point of ETFE, 500 °F (260 °C), is higher than ECTFE, 473 °F (245 °C), ETFE thus provides a higher margin of safety in the event of an accident (for example, a “runaway” chemical reaction that could develop temperatures much higher than normal). It can withstand a wide temperature range, making it suitable for both hot and cold climates. Melt Point D3418 (DTA) 260–280 °C 500–536 °F Zero Strength Temperature b 255 °C 490 °F Coefficient of Thermal Conductivity Cenco-Fitch 0. The melting point ranges from 220 to 280 °C. A flush mounted probe measures the melt temperature at the wall, which is usually the same as the metal wall temperature. They are high-performance resins that can be processed at relatively high rates compared with fluorocarbon resins. 15 2 . 76 Superior stress crack and mechanical properties at high temperature Tefzel® ETFE ETFE HT2185 150 2. 5 °C (−224. Four planar zigzag chains are packed in the unit cell. Expand. 8Teflon™ ETFE Melting Point: D3418 °C: 327: 260: 305: 267 °F: 621 >500: 582: 512 Cure Temperature. Excellent Chemical Resistance. 5 1 2 5 Thickness, µm 12. 45 0. 56 Hydrochloric Acid, 20% 25 <0. 455 MPa), 4 mm thick: 293 145: deg F deg C: D 648: Service Temperature: to 302 to 150: deg F deg C. Fluon® ETFE C-55AXP is a melt-processable copolymer of tetrafluoroethylene and ethylene that offers a unique combination of. NEOFLON Series, a complete array of melt-processable fluoropolymers such as FEP, PFA, ETFE. Fluon ETFE possesses a unique combination of desirable properties such as higher resistance to heat and chemical attack and outstanding physical toughness. Continuous service at 150°C is possible. Each resin system has a specific orifice length and diameter, barrel temperature, and piston load specified in ASTM D1238–86 or ISO R1133 test methods. 4 Technical products and impurities Industrial-grade tetrafluoroethylene gener-ally has a purity of > 99. Decomposition Temperature. Fluoroplastics: Volume 2 - Melt Processable Fluoropolymers, Sina Ebnesajjad, 2003. 150 °C (302 °F) and 200 °C (392 °F) Teflon™ ETFE. Table 1: Types and Gauges of DuPont™ Tefzel® ETFE Fluoroplastic Film Gauge 50 100 200 500 Thickness, mil 0. to diameter (24/1 up to 30/1 and beyond) and heaters should have the capacity to heat material to approximately 340°C. Thermal Properties: ETFE has a melting temperature of 267oC, while the melting point for PTFE is 327 o The only similarity is that both materials tend to soften when they are placed in lower. 305°CTin Coating = 150°C Max. Advanced Materials. The operating temperature of ETFE resins is from around −100°C to (at least) +150°C. Note 1 to entry: Plastics which, when containing absorbed water and heated above their glass transition temperatures (for amorphous plastics) or melting point (for semi-crystalline plastics), undergo hydrolysis resulting in a reduction in molar mass and consequently a reduction in melt viscosity and an increase in MFR and MVR. 6 0. 1 shows the storage modulus and loss tangent values of the pure ETFE and PS-grafted ETFE films as a function of temperature. INTRODUCTION TO ETFE ETFE is a melt-process able fluoropolymer, belonging to the sub-category of polymer materials called thermoplastics. The distilled 2a was crystallized from hexane and had a melting point of 75–77 °C. It differs from the polytetrafluoroethylene (PTFE) resins in that it is melt-processable using conventional injection molding and screw extrusion techniques. The absorption band around 250 nm. The melting temperature of ETFE is 270-300 ℃, but the applicant finds that the composite material has better performance by selectively controlling the melting temperature of ETFE to be not higher than 220 ℃, particularly controlling the. Long-term (>24 hr after immersion) surface hydrophilicity of PDMS was quantified using go-niometry. The normal processing temperatures for PVDF are in the range 200–260 °C, and the continuous service temperature for PVDF is up to 150 °C. All materials exhibited almost the same melting temperature after the second heating, except ETFE 2 and FEP which showed significantly lower values of 260 °C and 250 °C, respectively (see Table 3). 7 mM; the molar amount was 1. They have lower chemical resistance and thermal stability than perfluorinated polymers. The latter consisted of aluminum polyphosphate (AP) having a flow temperature near to that of ETFE to facilitate melt-mixing by extrusion, and rigid fillers of metakaolin (MK). 3. of nanometer-sized particles. D3418 °C (°F) 327 (621) 260 (500) 306 (582) 267 (512) Flame Rating* UL94--V0. As such, the operating temperature of the materials is lower. Other characteristics of Tefzel™ ETFE resins include: Low wear factor (1/10 of reinforced nylon) High-impact strength and dimensional stability; Heat resistance with a rating for temperatures up to 150 °C (302 °F) based. 180-210. However, the high temperature limit for FEP is lower than PTFE, approximately 200°C instead of 260°C. 045" ETFE : Catalog Search: Website Search: Standard Wire & Cable Company can supply you with the right sizes, types, and quantities of product you need to keep you on schedule and your management happy. That means it can cope with direct sunlight or any electrical faults without catching fire. PFA has similar properties to FEP but can be used at working temperatures up to +260°C while remaining melt-processable, thanks to a lower melt viscosity than PTFE. AGC Fluon® C-88AP ETFE. 17 2. Tefzel™ ETFE fluoroplastics are ideal for wire coating and molding a wide variety of end use articles and components. ,£293-iT 106 dijg,£293. 20-30. area factor, m2/kg 40 20 10 4 Availability Type LZ - ETFE, general-purpose X X X X Type CLZ - ETFE, one side cementable — X X Xstill maintains a service temperature of 150 °C (302 °F). Figure 1 also shows that ETFE is a highly crystalline polymer, crystallinity level based on. 57 A, b = 11. ETFE has a relatively high melting temperature, excellent chemical, electrical and high-energy. Frequently, the mold or part containing the resin is preheated (with rotation) to a temperature just below the melting point of the resin. 7 D792 PSI PSI 6,700 D638 PSI % 300 D638 PSI 170,000 D790 PSI PSI PSI J/m no break D256 D 72 D2240 0. 8 MPa (264 psi) load, and melting point values for some filled and unfilled polymers. Polytetrafluoroethylene. Green. 7 Tefzel™ ETFE is typically considered to have a no-load continuous use temperature of 150 °C (302 °F). Fluorotherm™ offers a variety of fluoropolymer and proprietary materials that can be applied in a numerous industries. ETFE, Description: Fluon® ETFE is a melt-processable copolymer of tetrafluoroethylene and ethylene. 00e+7 cP @Temperature 572 - 626 °F: Average value: 5. The benefits of this material are extensive and in some areas yet to be put to use. Process annealing, also called intermediate annealing, subcritical annealing, or in-process annealing, is a heat treatment cycle that restores some of the ductility to a product being cold-worked so it can be cold-worked further without breaking. With their high heat-resistance, polyimides enjoy diverse applications in roles demanding rugged organic materials, e. HDPE Cable Insulation. Safety – ETFE meets (and often exceeds) many of the strictest safety codes and standards. ETFE has a melting point of approximately 260°C. • Excellent chemical. At less than 1% the weight of glass an ETFE roof will give you corresponding savings in installation costs and a lower health and safety risk. High Melting Temperature – ETFE is often favored for wrapping electronic circuits and wires because of its high melting temperature. ETFE was designed to have high corrosion resistance and strength over a wide temperature range. Tefzel™ ETFE fluoroplastics are ideal for wire coating and molding a wide variety of end use articles and components. ETFE has: 1. Four planar zigzag chains are packed in the unit cell. 3 g/cm 3 and melt viscosity in the range of 1-10 GPa per second. The melting point ranges from 220 to 280 °C. 31 Etyl Acetate 35 0. 5 1 2 5 Thickness, µm 12. 5 25 50 125 Approx. area factor, m2/kg 40 20 10 4 Availability Type LZ - ETFE, general-purpose X X X X Type CLZ - ETFE, one side cementable — X X XMaterials Overview. They are high-performance resins that can be processed at relatively high rates compared with fluorocarbon resins. You will come across a plethora of. They have lower chemical resistance and thermal stability than perfluorinated polymers. Perfluoroalkoxy (PFA plastic) is a melt-processable fluoropolymer that combines many of the best traits of PTFE and FEP. Capabilities. ETFE is very trans-parent (transmission > 90 %), but can also be dyed if necessary, using pigments. This offers a range of proven benefits for building inhabitants, from reducing stress and boosting the immune system, to allowing for the natural growth of indoor gardens. 56 Hydrochloric Acid, 20% 25 <0. Fluon® ETFE C-88AXP is a melt-processable copolymer of tetrafluoroethylene and ethylene that offers a unique combination of. D3418 Melting Temp (°F / °C) 635 / 335 635 / 335 635 / 335 - Max Operating Temp (°F / °C. Fluon ® LM-ETFE resins are modified to provide a 30 °C to 40 °C lower melting point than conventional ETFE resins. PCTFE or CTFE (originally known as Kel-F*) has many of the properties similar to other fluoropolymers such as PTFE, FEP or PFA, but is mechanically superior in rigidity (does not deform easily), and has very low gas permeability . to diameter (24/1 up to 30/1 and beyond) and heaters should have the capacity to heat material to approximately 340°C. It can typically withstand temperatures from approximately -200°C to +150°C (-328°F to +302°F), providing excellent performance in both high and low-temperature applications. Good outgassing characteristics. Recently, injection molding process has generated growing interest, exhibiting great potential to easily fabricate unique polymeric materials for industrial applications. Ultra-Low Permeability – ECTFE offers excellent permeation resistance to many chemicals. 20 A, and c ( chain axis) = 5. 12 The peak on each caloric curve represents the endother-mic process of melting. By Steven McFadyen on May 15th, 2012. PVF displays several transitions below the melting temperature. 95. 82 MPa (264 psi), °C: 66: 50: Maximum Temperature: Mechanical, °C: 260: 160: Melting Onset (Solidus), °C: 340: 260: Thermal Conductivity, W/m-K: 0. We have been doing this for companies since 1947. or g/625 sq cm (24 hr) Acetic Acid 35 0. Maximum use temperature of 300 F (~150 C) Natural ETFE is semi-transparent. AGC Fluon® C-88AXP ETFE. As such, the materials operating temperature is lower. The recommended upper service temperature is 155 °C (311 °F); useful properties are retained at cryogenic ranges. ETFE has approximately 95% light transmittance, but does not offer the clear visibility/transparency of glass (Robinson, 2005). 50 Benzene 35 0. [2] Fluorinated ethylene propylene was invented by DuPont and is sold under the. 64 Carbon Tetrachloride 35 0. 10. ETFE possesses superior processability and improved mechanical properties compared to other TFE copolymers. PTFE is far harder to burn, as it requires a higher concentration of ambient oxygen. Its temperature rating is -70C to 150C. Temperature Dielectric Constant (1 MHz) Dissipation Factor (1 MHz) MFR g/10 min Melting Point °C Tensile Strength MPa Elongation % Flexural Modulus MPa. 5 25 50 125 Approx. Air Pollutants. 7 K) Boiling point: −76. Not only can ETFE tubing resist melting in extreme heat, it can do so for a significant duration of time. During the historical development of cables, numerous types of insulation have been employed. Fluon® ETFE C-55AXP is a melt-processable copolymer of tetrafluoroethylene and ethylene that offers a unique combination of properties such as high resistance to heat and chemical attack and exceptional physical toughness. PTFE has a slightly higher heat resistance but lacks when compared with the flow, creep resistance, and thermal stability. When burned ETFE releases hydrofluoric acid. Bulky FEP perfluoromethyl groups. The polymer maintains high impact strength in cryogenic applications. Halar chars but does not melt or burn when exposed to direct flame and immediately extinguishes on flame removal. 2) of an ETFE film and polymethyl-methacrylate-grafted-ethylene and tetrafluoroethylene copolymer (ETFE-g-PMMA) were utilized to verify successful grafting of PMMA onto the ETFE surface. apart from the tests at testing temperature T 0 for the ETFE foil from producer III with only three tests per test combination. ETFE (ethylene-tetrafl uoroethylene) is a partially fl uorinated copolymer that is oc-casionally modifi ed by a third monomer to attain certain properties. More information in Technical Resources. Typical TFE-based fluoroplastics include ETFE, the alternating 1:1 copolymer with ethylene, and PFA, which is a random copolymer similar to FEP but with a minor amount of a perfluoroalkyl vinyl ether (PAVE) rather than HFP. At the end of the test, the die and barrel are cleaned. resists melting at high temperatures. ETFE is difficult to burn because it requires air with a higher oxygen concentration. The melting points of PFA and PTFE are 260°C and 327°C respectively. Services & Capabilities. The amine-based stabilizer N,N′-di-2-naphthyl-p-phenylenediamine (DNP, an antiaging agent), a gray powder, was purchased from Shanghai Shuangguan Chemical Factory (Shanghai, China). Low friction engineering plastic with outstanding chemical, high temperature, and weathering resistance. (Osaka, Japan) in granular form with a melt flow rate of 6 g/10 min (5000 g load, 297 °C). com Max. [10] Melt ETFE to obtain a melt, which is then continuously extruded through a die that is shaped into a sheet and cooled between two pairs of rolls; A method of manufacturing an ETFE sheet, Each of the two rolls is a. 5 . Property: Value:. 006 inches and is rated for 250-volt applications. Service temperature-95 °F/500 °F-71 °C/260 °C 95 °F/500 °F-71 °C/260 °C Thermal conductivity. 01 Weather Resistance ExcellentThis property data is a summary of similar materials in the MatWeb database for the category "Modified ETFE, Unreinforced". However, ETFE is Table 1: Types and Gauges of DuPont™ Tefzel® ETFE Fluoroplastic Film Gauge 50 100 200 500 Thickness, mil 0. ETFE (ethylene tetrafluoroethylene) ETFE is used in applications where impact resistance and good resistance to stress cracking is required. • When comparing neat ETFE with ETFE composites, the melting temperature, the crystallinity and the crystallization temperature increased significantly, indicating a potential interaction between ETFE and the polyoxides. The mechanical properties of ETFE are superior to those of PTFE and FEP. AGC Chemicals Americas, Inc. The modulus and yield strength increase with increasing dose, and these phenomena are clearly distinguished above the melting temperature of ETFE (533 K). 209: Btu·in/h·ft2·°F W/m·K: Heat Distortion Temperature, 66 lb/sq. Melt temperatures should be taken for each stream prior to merging to determine which melt layer is the source of the temperature variation. 2-0. However, ETFE isTable 1: Types and Gauges of DuPont™ Tefzel® ETFE Fluoroplastic Film Gauge 50 100 200 500 Thickness, mil 0. Fluon ® LM-ETFE resins are modified to provide a 30 °C to 40 °C lower melting point than conventional ETFE resins. At the end of the test, the die and barrel are cleaned. 20 A, and c ( chain axis) = 5. Density: 1,67 - 1,75 g/cm³. 92% after 1. residual with increasing temperature, at which point the composite has reached to the melting temperature, Tm. ETFE has: • Excellent resistance to extremes of temperature, ETFE has a working temperature range of −200°C to 150°C. At 500 °F (260 °C), PFA has a higher service temperature than FEP and maintains its mechanical integrity in extreme temperatures even when exposed to caustic chemicals. The recommended upper service temperature is 155 °C (311 °F); useful properties are retained at cryogenic ranges. 8 6-15 0. 6 and 0. Tefzel® ETFE ETFE 750 200 2. * View additional table for data – click material name. Bulky FEP perfluoromethyl groups. ETFE is a melt processable copolymer of ethylene and tetrafluoroethylene. MechanicalPFA. Extending fluoropolymer properties of chemical resistance, toughness and lubricity, standard products are free of cadmium, hexavalent chromium. to diameter (24/1 up to 30/1 and beyond) and heaters should have the capacity to heat material to approximately 340°C. Request a quote today or call us at 1-877-777-2629 to speak with one of our experts. TFE reacts with oxygen at low temperatures to. Finally, the most notable difference. Polym Bull. melting temperature of E-TFE determined in the figure by linear approximation of T m is 564. Tefzel ™ ETFE HT-2188 is a special purpose fluoroplastic resin available in translucent, 2. 2. Exhibits chemical inertness & good weather-, stress cracking and abrasion resistance. e. (°C)20 Clarity Microwavability2 ABS 86 to 90 75 to 98 0 210 to 230 105 to 109 Transparent to Opaque -- The crystalline melting temperatures and corresponding heats of fusion ΔH f of Halar® ECTFE resins, recorded by DSC under defined operating conditions (ASTM D 3418), are presented in Table 1 . Offers high melt flow rate, high heat resistance, excellent chemical resistance, excellent physical toughness, low smoke & flame characteristics, good dielectric properties, excellent resistance to weather & aging, and non-stick characteristics. It has a high purity with service temperatures up to 150°C. 25 W/MK Tensile strength 3,600 PSI (17,237 KP) 4,000 PSIThe ETFE composite film has proper tensile strength and elongation at break by accurately controlling the component content, and can meet the performance detection at the temperature of 170 ℃. In the event of a fire ETFE does not promote the spread of flames because it self-extinguishes and does not generate any. Four kinds of ethylene-tetrafluoroethylene copolymer (X-ETFE) insulating materials were prepared with the method of irradiation cross-linking by Zhang et al. 5 Thermal properties. PTFE has a slightly higher heat resistance but lacks when compared with the flow, creep resistance, and thermal stability. They are light, flexible, and exhibit high. Polyimide (sometimes abbreviated PI) is a polymer containing imide groups belonging to the class of high-performance plastics. % of Zonyl®. in (0. PTFE is processed using a sintering method, where the material is heated to a temperature below its melting. area factor, ft2/lb 200 100 50 20 Approx. Exemplary physical and chemical properties of ETFE copolymer [23]. An artificial weathering test (equivalent to 30 years of exposure) showed little sign of film degradation. FEP, PFA and ETFE using in welding. 1 MPa of the same sample as used inThe Tm and Tg change continuously between the lowest values 137 °C and −128 °C of polyethylene and the highest values 327 °C and 131 °C of. DERATING FACTORS FOR BUNDLED CONDUCTORS Bundle # Deratinq Factors ( x Amps ) 2-5 0.