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The usage of PTFE in a few Fields4

Posted On : Aug-16-2011 | seen (242) times | Article Word Count : 500 |

PTFE possesses some unique properties, which makes it vastly employed in some industries like chemical, silicone sheet, petroleum, textile, food, paper making, medical science, electric, mechanics and the offshore operation. Often used to make ptfe rod, teflon sheet and teflon film.
PTFE possesses some unique properties, which makes it vastly employed in some industries like chemical, silicone sheet, petroleum, textile, food, paper making, medical science, electric, mechanics and the offshore operation. Often used to make ptfe rod, teflon sheet and teflon film.

1 The application of its anti-corrosion property

Some materials like rubber hose, glass and metal alloy aren't so good at anti-corrosion, so they can't be utilized in the environment which has high

requirement on temperature, pressure and chemical mediator. Now PTFE becomes the main material employed in petroleum, chemical and textile as a

consequence of its superior anti-corrosion property. It's mainly employed to make the deliver pipe for transferring corrosive air, the exhaust pipe, the

steam pipe, the high pressure oil pipe in the rolling mill, the high, medium and low pressure pipe of the hydraulic system and the cold system in the

plane, the rectification column, the heat exchanger, the kettle, the tower, the lining of the groove and the valve, etc.

Whether the performance of the sealing material is good or bad will have great influence on the performance and efficiency of the whole machine. PTFE

has good anti-corrosion, aging resistance, low friction coefficient, not-sticky performance, wide temperature-withstanding scope and elasticity, so it

can be suitable to be utilized to make the sealing material that is employed in the environment with the temperature above one hundred degrees

centigrade and the sealing material with high requirement on anti-corrosion, such as the sealing material in the machine, the heat exchanger, the high

pressure vessel, the vessel with big diameter, the valve, the groove-shaped flange of the pump, the plastic reaction pot, the face flange, the flange

with big diameter, the shaft, the piston rod, the valve lever, turbine pump and the tie rod, etc.

2 The application in the electronic and electric field

PTFE is low in loss and small in dielectric constant, so it can be employed to make teflon sheet that is used in the mini engine, thermoelectric couple

and the controlling equipment. PTFE teflon film is the ideal material for making the capacitor, the insulating backing used in wireless equipment, the

insulating cable, the motor and the transformer. It is also one of the indispensable materials employed to make the electric parts in the aviation and

the aerospace fields. Because oxygen can penetrate PTFE teflon film easily while vapor can penetrate PTFE teflon film difficultly, we invent the oxygen

sensor by virtue of this property. The polarized electric charge will be deviated when PTFE is under the environment of high temperature and high

pressure. By virtue of this property, we can use it to make the part in the microphone, the speaker and the robot. We can also use it to make optical

fiber by virtue of its low refractive index.

Article Source : http://www.articleseen.com/Article_The usage of PTFE in a few Fields4_74090.aspx

Author Resource :
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Keywords : teflon film, silicone sheet,

Category : Business : Business

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