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Mon Jul 10, 2017 6:11 am
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Unfortunately, both PEEK and China PTFE Tubing activate to breakdown at temperatures aloft 240°C. Get them aloft 250°C for too continued and you’ll be advised to baneful effluvium and a begrimed mess.
The addition of all-metal hot ends to desktop 3D printers alien a advanced ambit of abstracts that were not accessible to book with PEEK/PTFE hot ends.
All-metal hot ends do not have PEEK or PTFE in or abreast the cook area – alone metals like aluminum and stainless steel. These metals are able to bear abundant college temperatures than PEEK or PTFE, so banishment temperatures are no best bound by the best operating temperature of PEEK and PTFE.
History of PTFE about dates to 80 years aback in 1938 if it was accidentally discovered. Later, it's used to beforehand the Teflon tubing and bedding to use in automated applications. About referred as polytetrafluoroethylene, PTFE is a aggregate of fluorine and carbon, which has the everyman chafe coefficient.
China PTFE Sheet bogus from the aforementioned polymers which are used to beforehand tubes for artificial extrusion. The activity of tube development involves the adapted admixture of adhering which makes these tubes acceptable to accomplish at capricious temperature up to 500°F.