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  2. Polymer degradation - Wikipedia

    en.wikipedia.org/wiki/Polymer_degradation

    Polymer degradation caused by in-service degradation can cause life threatening accidents. In 1996, a baby was fed via a Hickman line and suffered an infection, when new connectors were used by a hospital. The reason behind this infection was the cracking and erosion of the pipes from the inner side due to contact with liquid media. [7]

  3. Environmental stress cracking - Wikipedia

    en.wikipedia.org/wiki/Environmental_stress_cracking

    Nylon fuel pipe damaged by environmental stress cracking after a small leak of battery acid An obvious example of the need to resist ESC in everyday life is the automotive industry , in which a number of different polymers are subjected to a number of fluids.

  4. HDPE pipe - Wikipedia

    en.wikipedia.org/wiki/HDPE_pipe

    HDPE pipe is a type of flexible plastic pipe used to transfer fluids and gases.It is often employed for replacing aging concrete or steel main pipelines.Constructed from the thermoplastic HDPE (high-density polyethylene), it has low permeability and robust molecular bonding, making it suitable for high-pressure pipelines.

  5. High-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/High-density_polyethylene

    HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]

  6. Cross-linked polyethylene - Wikipedia

    en.wikipedia.org/wiki/Cross-linked_polyethylene

    A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

  7. Use of HDPE in nuclear power plant piping systems - Wikipedia

    en.wikipedia.org/wiki/Use_of_HDPE_in_Nuclear...

    Pipe Surface Alignment: A change in the pipe outside diameter (O.D.) surface misalignment of more than 10 percent of the wall thickness of the thinner member to be fused. (3) PE Material: Each lot of polyethylene source material to be used in production (XXVI–2310(c)). (4) Wall Thickness: Each thickness to be fused in production (XXVI–2310(c)).

  8. Today's Wordle Hint, Answer for #1252 on Friday, November 22 ...

    www.aol.com/lifestyle/todays-wordle-hint-answer...

    Today's Wordle Answer for #1252 on Friday, November 22, 2024. Today's Wordle answer on Friday, November 22, 2024, is PEARL. How'd you do? Next: Catch up on other Wordle answers from this week.

  9. Pigging - Wikipedia

    en.wikipedia.org/wiki/Pigging

    These probes are attached to the pig before it is sent through the polyethylene pipe to detect any defects in the outside of the pipe wall. This is done by using a triple-plate capacitive sensor in which electrostatic waves are propagated outward through the pipe's wall. Any change in dielectric material results in a change in capacitance. [17]

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