10 polyimide filled ptfe pdf

Hardness, shore d d2240 50 65 ultimate tensile strength mpa d638 21 35 elongation at break % d638 300 500 modulus of elasticity mpa d638 392. Most applicable fillers are glass, carbon, graphite, bronze and molybdenum disulfide mos2. Similar to et007, with red pigment for identification purposes. The properties of 25% glassfilled and 25% carbon filled ptfe grades are. In thermal oil applications with pressure of up to 10 bar 145 psi, carbon filled ptfe is a cost effective lowtorque solution for high temperatures up to 315 c. Polyimide filled ptfe therefore suits dry running and stopstart applications particularly well. Polyimide filled ptfe can also be used when contact with food or pharmaceuticals is anticipated. Request pdf preparation and properties of silica filled ptfe. Microstructure and properties of polytetrafluoroethylene. The properties of ptfe can be modified by selective additions of special fillers, in order to. Synergistic modification of the tribological properties of.

Available in cylinders up to 8 od and 12 long solid rods and tubes material type. Table 2 lists the characteristic data of filled ptfe materials. Vespel sp22 has the lowest coefficient of thermal expansion of the graphite filled grades. The polyimide was loaded against the disk various metals under a load of. There are however restrictions when using graphite fillers with static seals.

Filled ptfe good strength high v chemical resistant rulona k fluoroloy k. Common to all filled ptfe materials are their improved resistance to wear and deformation. Request a sample of high performance polyimide medical tubing, including catheter shafts, reinforced tubing and laser cut micro tubing. Choosing the best ptfe filler for your application aft. Friction and wear behavior of pi and ptfe composites for. Oct 29, 2020 polytetrafluoroethylene ptfe blended with polyimide pi and filled with boron nitride bn is prepared through cold pressing and sintering for composites with remarkable wear resistance and reduced coefficient of friction cof. Effect of fillers on dielectric strength of ptfe based composites. Mitsubishi chemical advanced materials fluorosint 500 ptfe. Our medical tubing samples are typically provided in 12 lengths.

The colour of the pre sintered billet varies from brown to chocolate brown with increase in percentage of filler content. Polyimide filled ptfe can also be used when contact with food or pharmaceuticals is. Mcs7020 grade has been discontinued 10 % pi filled we now only offer 15% pi grade. Polyimide filled ptfe tlon38 dyneon tfm tlon41 color tan tensile strength psi astm 0489404745 3000 elongation 00 astm d4894d4745 225 550 trans parent. This document has been determined to contain basic and stable technology which is. One of several high modulus polymer filled compounds. Features of 15% polyimidefilled ptfe standard grade. Polymer, thermoplastic, polyimide, thermoplastic, thermoplastic polyimide, graphite filled, thermoplastic polyimide, molded, ptfe filled material notes. It is nonabrasive, making it a good choice for applications involving softer mating surfaces like steel, aluminium, or other plastics. P84 polyimide powder precious like gold tecapowder p84 polyimides, the top end of highperformance plastics, are useful in various demanding applications in industries such as aerospace, semiconductor, automotive, aircraft, plasmawelding and diamond wheel.

Technical data sheet tds physical properties of ptfe and filled ptfe. Technical information, including common properties for selecting compounds, typical applicationsend uses, and typical properties of filled ptfe compounds. Polyimide, 30% ptfe filled pi, tecasint is a range of nonmelting high temperature polyimides characterized by high strength over a wide range of temperatures, good long term thermal stability, minimal thermal expansion and excellent wear. Polytetrafluoroethylene is a fluorocarbonbased polymer and is commonly abbreviated. Wear rate for 25% ekonolptfe and polyimidefilled ptfe. Polyimidefilled ptfe compounds have about the lowest friction properties of all filled ptfe. Though when virgin ptfe is not sufficient, you can choose for ptfe with a filler to obtain better properties. Tecasint 2000 series of polyimide stock shapes provide a superior combination of high temperature and bearing and wear, properties.

The extent of film transferred into the race grooves was studied by an examination. Raw ptfe is already a versatile and extremely useful substance, and it can be further improved and tailored by the. Teflon typical properties of ptfe ws hampshire, inc. Ptfe can be used to coat or line vessels and pipes, to seal interfaces, and to protect a. This low filled option is useful in applications running on stainless steel soft mating surfaces. Typical properties for filled ptfe compounds table 1. However, it is very difficult to design and synthesize polyimide matrix resins for hightemperature composite component fabrications. Polyimide filled ptfe teflon tube,china polyimide filled.

Tecasint is a range of nonmelting high temperature polyimides characterized by high strength over a wide range of temperatures, good long term thermal stability, minimal thermal expansion and excellent wear. Pdf the application of filled ptfe material in the end. The results showed that ptfe could satisfy the filling material of. Polyimide filled ptfe therefore suits dry running and stopstart.

There are no problems associated with the use of ptfe under vacuum as it has an extremely low vapour pressure 10 5 mbar at 120c. Selflubricating polytetrafluoroethylenepolyimide blends. Polymer fillers are less aggressive than fiber and mineral fillers. Polyimide, 15% graphite, 10 % ptfe filled pi, tecasint 2000 series of polyimide stock shapes provide a superior combination of high temperature and bearing and wear, properties that make it an ideal choice for the most demanding applications. Tribological performance of graphitefilled polyimide and. This table shows the superior wear resistance of the ekonol ptfe composition at all temperatures, but especially. Department of polymer engineering, faculty of mechanical.

Adding polyimide produces a ptfe compound that is lower in friction than all of those previously described. Ensinger tecasint 2061 polyimide, 15% graphite, 10% ptfe. Friction and wear performances and wear mechanisms of the coatings were evaluated. Browse polyimide filled ptfe in the fluoroplastics, inc. Processing analysis of nanoparticle filled ptfe mdpi. Because a number of combinations of polyimide film and fluorocarbon coating add up to the same total thickness, the total thickness in gauge for plastic film, 1 gauge 0. Ptfe bearing system, nema laminates, polyamide nylon, polyamideimide pai.

Buy o rings, seals, custom molded rubber, engineered plastic. Low friction extremely low wear increased hardness operates well against soft mating surfaces like aluminum, mild steel, brass and plastics ideal for stopstart applications to eliminate stickslip note. Glassfilling slightly increases ptfe s very low coefficient of friction, but considerably increases wear. Polyimide filled ptfe tlon38 dyneon tfm tlon41 color tan tensile strength psi astm 0489404745 3000 elongation 00 astm d4894d4745 225 550 trans parent 5000 white. Polyimide matrix resins play a key role in the fabrication of composite components, not only determining the components thermal servicing and mechanical properties, but also its processing methods and quality. Tribological properties of polyimide coatings filled with.

Pi boosts the dispersion and bonding of bn in ptfe. Insulated polyimide pi composites filled with short glass fibers sgf, polytetrafluoroethylene ptfe, sio 2, and polyphenylene ppl are specially. This document has been determined to contain basic and stable technology which is not dynamic in nature. This observation was also made for copper filled polyimide and ptfe compositions fig. Suitable for high speed low pressure and vacuum service. For vespel sp211, 10 % teflon ptfe and 15% graphite by weight are added to the base resin for the lowest coefficient of friction over a wide range of operating. In addition to the described advantageous properties of ptfe and its use for seals and guide elements, other typical. Polyimide polymer filled ptfe pci 10 pi lf 3250 250 2. These guideline values are supplied for reference only. A polymer filled compound that is considered when abrasion to mating surfaces is a primary concern. Saeams3678a2016ams3678type 10 % polyimide filled virgin polytetrafluoroethylene ptfe moldings or extrusions stabilized. Technical information polymer characteristics habonim. This specification covers a polytetrafluoroethylene ptfe resin filled with 10 % polyimide in the form of extruded or molded rods or tubes which are sintered after molding or, in the case of extrusions, sintered during the extrusion process.

Polyimide unfilled vespel sp1, duratron d7000 polyimide 15% mos2 filled vespel sp3 polyimide 15% graphite filled vespel sp21, duratron d7015g polyimide 40% graphite filled vespel sp22 polyimide 15% graphite, 10 % ptfe vespel sp211 machine grade polycarbonate machine grade polycarbonate sustanat pc, tecanat, pc. Polyimidefilled ptfe mcs7020 10% polyimidefilled ptfe. Sp191 performs well against soft mating surfaces such as aluminum, mild steel, brass, and plastics, and it is ideal for use in stopstart applications where the goal is to eliminate stickslip. Oct 15, 2019 graphite filled polytetrafluoroethylene ptfe and polyimide pi composites were tested against tool steel under nominal contact pressure of 6.

The characterizations show that bn and pi at different levels, improve the hardness, dynamic thermomechanical modulus, thermal conductivity, and tribological properties of ptfe. Polymer, thermoplastic, fluoropolymer, ptfe material notes. Ensinger tecasint 2061 polyimide, 15% graphite, 10%. Please fill out the form below to request a product sample. In most situations, ptfe is the perfect fluoroplastic for a wide range of applications. Friction and wear of nine selected polymers with various. In dry sliding friction of a blockonring tribometer, the wear rate and cof of 10. Ensinger tecasint 1611 polyimide, 30% ptfe filled pi categories. Preparation and properties of silica filled ptfe flexible laminates. Ensinger tecasint 1611 polyimide, 30% ptfe filled pi. Polyimidefilled polytetrafluoroethylene sp191 bal seal. Typical applications are the same as those for vespel sp21.

More details of products parameters, more comprehensive technical guidance, please refer to our pdf, or contact us directly. Glassfilling slightly increases ptfe s very low coefficient of friction, but considerably increases wear and pressure resistance. In summary, filled ptfe comes in many forms, each with unique benefits. Jan 24, 2014 polyimide pi coatings filled with ptfe and nano. The effect of 20 wt% polytetrafluoroethylene ptfe fillers on the friction and wear properties of thermoplastic polyimides tp are investigated. Sp191 is a polyimide filled ptfe compound which exhibits low friction and minimal wear in rotary and reciprocating sealing applications. Plane bearings guide old chg to pdf polytech industrial. However, polyimide is the priciest of the ptfe fillers.