This is a nice article on the selection of PTFE for high purity water applications. PTFE can also be utilized for lower grade waters where applicable.
Executive overview
Polytetrafluoroethylene (PTFE) is an ideal material for semiconductor fluid handling applications. It is inherently inert because it is composed of only carbon and fluorine atoms. This carbon fluorine bond is one of the strongest known. The strength of these bonds prevents PTFE from being degraded by chemicals or absorbing them. These bonds also permit PTFE to withstand temperatures ranging from -270°C to 260°C. This article discusses the selection criteria when using PTFE for ultrahigh-purity fluid handling applications.
Selecting PTFE for ultrahigh-purity fluid handling applications - Solid State Technology
Tuesday, April 27, 2010
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