Comparison of corrosion resistance between ultra-high molecular weight polyethylene and polytetrafluoroethylene
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Expert: May I ask how the corrosion resistance of ultra-high molecular weight polyethylene compares to that of polytetrafluoroethylene, and what is its performance when used in corrosion-resistant pumps?
F4 can withstand temperatures below 200 degrees in the presence of acids and alkalis; polyethylene can be used at temperatures below 100 degrees and is not resistant to oxidizing acids.
Polytetrafluoroethylene is commonly known as the \"king of plastics.\" The original poster can refer to the relevant information available on the China Polytetrafluoroethylene Network: http://www.myptfe.com/Teflon/Technical/200811/129.html
Polytetrafluoroethylene has excellent corrosion resistance.
Mainly in terms of temperature resistance, wear resistance, and specific density, tetrafluoroethylene offers better temperature and wear resistance than ultra-high molecular weight polyethylene; however, its specific density is similar to that of ultra-high molecular weight polyethylene, and its price is comparable to that of the latter. Its corrosion resistance is similar to that of tetrafluoroethylene
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