Polytetrafluoroethylene -------- ---- the king of plastics

Teflon is a novel plastic.It was discovered during world war ii, and formal production was only nearly 20 years old.So why is teflon called the "king of plastics"?Because it has many properties that plastics don't have: it doesn't become brittle in liquid air or soft in water.Ptfe is also very corrosion resistant, whether strong acid strong alkali, such as sulfuric acid, caustic soda, or strong oxidant, such as potassium permanganate, can not hurt it a little bit, that is to say, its chemical stability than glass, ceramics, stainless steel and gold, even in boiling water for more than ten hours, still remains the same.So far, no solvent has been found that can expand ptfe at high temperatures.In addition, ptfe has good dielectric properties, which are independent of frequency and temperature.It is because ptfe has so many valuable characteristics at the same time that it is particularly valued by people.Because of this, it has been widely used in refrigeration industry, chemical industry, electrical industry, food industry, medicine industry.Hence the title "king of plastics".

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