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1、Teflon can be rated as the plastic kingTeflon PTFE , F4 is to be able to bear one of corrosion function the best material in the world nowadays .Get the plastic king laudatory title therefore .Chemistry medium uses its energy over a long period of time in any kind, its many problem of creation field
2、s such as chemical industry , petroleum , pharmacy having resolved our country. Teflon sealing element , washer , pad. The teflon sealing element , pad , seal washer are that the model moulds treating select and use suspension polymerization teflon resin be made from. Teflon and plastic is compared
3、with each other other have be able to bear the chemistry corrosion and be able to bear the outstanding characteristic of temperature, it is encapsulant and filling material already quilt applying broadly.Teflon molecular formula teflon is four fluorine ethenes polymers. English abbreviation is PTFE.
4、 The commodity is called Teflon (teflon). King of being plastic by good reputation. Teflon basic structure is. -CF2- CF2- CF2- CF2- CF2- CF2- CF2- CF2- CF2- CF2. Teflon applies to need the antiacid alkali and organic various menstruums broadly, its self one of the raw material not having toxicity to
5、 person, but being put into use in procedure of production satisfies the bitter fluorine ammonium (PFOA) being considered may have a carcinogenesis. Teflon (Teflon or PTFE) , popular name plastic king , Chinese commodity iron fluorine dragon , exceptional fluorine dragon , Tefulong , Thailand fluori
6、ne dragon etc.It is accomplished because four fluorine ethene classics get together high polymer , have the good chemistry stability , is able to bear corrosivity , hermetic sealing , high lubrication the viscidity , electricity insulation and fine resisting do not age endurance. The long range work
7、s under the temperature being able to in 250 + till 180 -, except six-zone-pass metal sodium and the liquid fluorine, ability other all chemicals, boil in chloroazotic acid getting change neither. Being used as engineering plastics , may manufacture the teflon tube , stick , belt , board , film and
8、so on. Apply to function demanding the pipeline , container , pump , valve that higher being able to bear corrodes and making the radar , high frequency communication equipment and material , radio equipment and material and so on in general. Antisepsis picture preparing metal , glass , earthenware
9、surface waits for the insulation dipping liquid dispersing various liquid work material available tier. Various gathering four fluorine circles , gathering four fluorine pads , gathering four fluorines checking root and so on is used for preservative pipeline flange of all kinds hermetic sealing bro
10、adly. Can be used to reel off raw silk from cocoons besides , also, teflon fibre fluorine silk tassel (abroad the commodity is called exceptional fluorine silk tassel). At present, various classified collections tetrafluoroethylene product already, in the chemical industry, the machinery, the electr
11、on, the electric appliance, the war industry, astronautics, the link guaranteed with national economy domains in and so on bridge play the pivotal role. The teflon (PTFE) exploitation conditions profession chemical industry, the petrochemical, the refinery, the chlorine alkali, the system acid, the
12、phosphate fertilizer, the drugs manufacture, the agricultural chemicals, the chemical fiber, influence, the coking, the coal gas, the organic synthesis, colored smelting, the steel and iron, the atomic energy and the high net product production (for example ionic membrane electrolysis), sticks the t
13、hick material handling and the operation, hygienic processing Production departments and so on request highly strict food, drink. Medium hydrofluoric acid , phosphoric acid , sulfuric acid , hydrogen nitrate , chlorhydric acid , various organic acid , organic solvent , strong oxidant and other stron
14、g various corrosivity chemistry medium. Or temperature- 20 250 , allows the shock chilling shock heating, cold hot alternative operation0.1 6.4 Mpa (satisfy pressure- shouldering pressure till 64 kgf/cm2) -0.1 6.4 Mpa (Full vacua to 64 kgf/cm2 Teflon (PTFE) uses merit The thermostability uses the wo
15、rking temperature to amount to 250 . Be able to bear the low temperature having fine machinery tenacity; Even if the temperature comes down to 196 -, may keep 5%s elongation rate. Be able to bear corrosion showing the inertia , ability to great majority chemicals and menstruum, strong acid strong ba
16、se , water and various organic solvent. Be able to bear the climate the life-span ageing having plastic middle best High lubrication is that solid material is hit by friction coefficients minimum personNot gluing is that minimal surface tension, does not glue any matter in solid material. Inertia the nothing is poisoned having physiology, the inner has no bad reaction as the manpower blood vessel and the visceral organ long range implantation body. nts
