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ptfe

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications. The commonly known brand name of PTFE-based compositions is Teflon by Chemours, a spin-off from DuPont, which originally discovered the compound in 1938.Polytetrafluoroethylene is a fluorocarbon solid (at room temperature), as it is a high-molecular-weight polymer consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons exhibit mitigated London dispersion forces due to the high electronegativity of fluorine. PTFE has one of the lowest coefficients of friction of any solid.
Polytetrafluoroethylene is used as a non-stick coating for pans and other cookware. It is non-reactive, partly because of the strength of carbon–fluorine bonds, and so it is often used in containers and pipework for reactive and corrosive chemicals. Where used as a lubricant, PTFE reduces friction, wear, and energy consumption of machinery. It is commonly used as a graft material in surgical interventions. It is also frequently employed as a coating on catheters; this interferes with the ability of bacteria and other infectious agents to adhere to catheters and cause hospital-acquired infections.

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  1. A

    URGENT How to fix leak with too much ptfe tape

    Both Tiny leak on bot new fits on the metal nuts. Did i use too much ptfe tape. I used 2 wrap arounds. The nuts won't tighten anymore. Could i remove the exposed ptfe tape and if so would the nut then continue to tighten and is this a ok thing to do. I should have used 1 wrap around i know now.
  2. J

    1/2" FIP connection to faucet

    I have this connection on both of my laundry tub supplies and they are leaking right away. This is what plugs into the faucet connections. Because of the black part I thought this was a compression fitting, but with the amount of leaking I am thinking I need paste. I've cranked it down...
  3. K

    PTFE tape or liquid / paste for compression fittings?

    Hi all I often find using ptfe tape with compression joints quite fiddly for my old hands, particularly in tight spaces. I was wondering if the ptfe liquid paste is a viable alternative? Does anyone on here prefer it? Thanks.
  4. K

    Leaking toilet inlet - More ptfe or Joint compound?

    Ive fitted a new bottom entry fill valve to our en-suite toilet but i cant stop the dribble/leak from the inlet connection. Ive added a fair bit of ptfe but its still leaking, tightened it to its maximum etc and still im getting a dribble. Do you think i need more ptfe, add some joint compound...
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