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Properties Tefzel Tefzel is used in underfloor heating to protect the heating compound. Mostly used for undercarpet heating because more pressure is applied on to it. Tefzel is a fluoropolymer which are part of the fluorine-based products that include Teflon(PTFE), Teflon(FEP) and Teflon PFA fluoropolymer resins. Tefzel can be described as a ragged thermoplastic with an outstanding balance of properties. Mechanically, it is tough, has a medium stiffness and is impact and abrasion resistance. The Tefzel used in under floor heating has a higher tensile strength, stiffness , and creep resistance than other unfilled grades. Tefzel is typically considered to have a no load continuous use temperature of 150C. In certain specific applications, Tefzel can have an upper service temperature in excess of 230 C. Tefzel is weather resistance making it safe to be used in under carpet heating to insulate the heating compound. Tefzel is also inert to most solvents and chemicals...

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