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WHAT IS TEFLON PFA 440 HP.?

HP PFA Teflon
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WHAT IS TEFLON PFA 440 HP.?

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Teflon PFA 440HP Fluorocarbon resin is a melt processible chemically modified form of Teflon PFA 340. Teflon PFA 440HP is practically chemically inert, having an operating temperature of 2600C/ 5000F and has the lowest level of extractable Fluorides. (Data provided by DuPont.) M-COR, INC. utilizes Teflon PFA 440HP upon request in the manufacture of ENCAP-O-SEALTM Teflon encapsulated O-rings. Teflon PFA 440HP is responsible for our products ability to withstand chemical attack at elevated temperatures with the lowest level of extractables in high purity applications. Engineers specify Teflon PFA 440HP encapsulation when purity in parts per billion is required, e.g., sealing in semi conductor applications and other high purity fluid handling systems.

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