What industry does F E P perfluoroethylenepropylene belong to?
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I’m not sure if it’s the production of plastic and synthetic resins in their primary form
I only know that it is a type of fluoroplastic; F46 is often used in fluorine-lined valves
The industry should belong to the organic fluorine industry within the fluorine chemicals sector; (FEP is what is commonly referred to as fluoroplastic F46).
This question is asked in a rather strange way. It depends on your definition of the industry. To put it bluntly, FEP belongs to the fluorine chemicals industry; as the person in charge upstairs said, it can also be classified as part of the organic fluorine industry, since fluorine chemicals can generally be divided into organic fluorines and inorganic fluorines. To put it mildly, FEP should be classified as a fluororesin within the field of fluorine chemicals, that is, a high-molecular-weight fluoropolymer material.
The fluorine chemical industry can be further divided into two major sectors: inorganic fluorine chemicals and organic fluorine chemicals. Since polyperfluoroethylenepropylene FEP is a copolymer of tetrafluoroethylene and hexafluoropropylene, with hexafluoropropylene accounting for about 15% of its composition, it falls under the category of organic fluorine materials. Moreover, FEP is a type of fluoropolymer; for more details, see What is FEP material?