What is the difference between PFA and ptfe? - ProProfs Discuss
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What is the difference between PFA and PTFE?

Asked by R. Barnes, Last updated: Sep 17, 2019

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4 Answers

P. Micah

P. Micah

Answered on Oct 21, 2019

Some can be confused with the difference between PFA and PTFE because they seem to be similar to each other. PTFE stands for Polytetrafluoroethylene. Most people are more familiar with this as Teflon. PFA is called Perflouroalkoxy. They are a bit similar to each other, but you can tell what you are looking at based on their appearance.

PFA is used for a lot of the lab equipment that students and professionals use. They are usually transparent, while PTFE has a darker color and is usually opaque. PTFE is commonly used in the kitchen because people love using non-stick pans that can make cooking a lot easier.

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S. Hughes

S. Hughes

Answered on Sep 17, 2019

PFA stands for Perfluroalkoxy and PTFE is the acronym for Polytetrafluoroethylene. PFA and PTFE have many similar properties for they are not the same. PFA is a type of fluoropolymer many used in plastics. It is more flexible than PTFE. PFA is not as chemical and temperature resistant as PTFE. Its operating ranges in temperature are from -200 to 260 degree Celsius. PTA can be melted and processed; it is done through mold injections.

Because of its chemical properties and its transparency, PTFE is a synthetic polymer that is mostly known as “Teflon”. It is more resistant to heat compared to PFA. This is because of its wide range of operating temperatures. It typical operating temperature ranges from -270 to 260 degree Celsius. PTFE is also less affected by absorption of water. PTFE is often used in the production of fittings, gaskets, valve bodies and diaphragm. Hope you find this helpful.

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J. Pollock

J. PollockScience Professor, Los Angeles
Science Professor, Los Angeles

Answered on Sep 04, 2019

PFA is known to be the type of equipment that is made out of plastic that is normally used to make sure that it will be resistant to a potential chemical attack. This is also the type that is used when there is a need to handle some corrosive materials too. PTFE is known to be a form of Teflon.

This is very popular when creating different cooking tools especially those that would require the surface to be non-stick. They have some differences when it comes to their capabilities. PTFE is known to be more heat-resistant as compared to the PFA. PFA might also become more affected by being exposed to water.

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B. Rickets

B. Rickets

Answered on Sep 03, 2019

PTFE is known as Polytetrafluoroethylene, and this is known as a synthetic fluoropolymer of tetrafluoroethylene. This is commonly used as a non-stick coating for pans and other pieces of cookware. This can make cooking easier and more fun for a lot of people. PTFE is sometimes used as a lubricant too.

PTFE is known as Polytetrafluoroethylene, and this is known as a synthetic fluoropolymer of
PFA is considered to be better than PTFE, especially when it is being used for tubing. This is more flexible, and it will be more heat-resistant as compared to PTFE. One of the reasons why people would choose PFA over PTFE is the electrical properties. When it comes to being resilient to weathering, PTFE is considered to be more superior as compared to PFA.

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