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聚四氟乙烯介绍英文版

时间:2009-04-16 | 栏目:技术论文 | 人参与讨论

Teflon PTFE material referred to as English. The overseas trade name is Teflon, Fluon. Uses the scope for - 200~ 260℃. Decomposition temperature for 415℃. the teflon has the very fine anticorrosion and the heat-resisting performance, besides under the melt metal lithium, the potassium, the sodium, the boron trifluoride chlorine, the high temperature boron trifluoride oxygen, the high flow rate liquid fluorine, it may resist all chemical mediator nearly (including aqua fortis and aqua regia). It may in - 230~260℃ under operate for a long time, but the thermal property surpasses the majority plastics. It has the fine electricity performance, the anti-coherency and the low friction coefficient. The deficiency price is expensive, refractory. On the other hand, the anti-coherent anti-resolver's merit actually makes the lining craft to be more complex. It widely serves as the filling piece, the packing ring, not to use the moist lubricant the bearing and the stub pipe and so on, is suitable for the temperature to be high specially, corrosion serious, and the product (for example food and textile) do not permit and the lubrication contact environment. Also serves as the tube, the valve, the pump, the tower and the lining. The hose (joins factory toner) to be possible to make the heat interchanger. Also obtains the widespread application in the mechanical and electrical industry. Product besides plastic, but also widely serves as the coating, may also make the textile fiber.

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