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  2. Environmental stress cracking - Wikipedia

    en.wikipedia.org/wiki/Environmental_stress_cracking

    According to ASTM D883, stress cracking is defined as "an external or internal crack in a plastic caused by tensile stresses less than its short-term mechanical strength". This type of cracking typically involves brittle cracking, with little or no ductile drawing of the material from its adjacent failure surfaces. [ 1 ]

  3. 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 .

  4. JM Eagle - Wikipedia

    en.wikipedia.org/wiki/JM_Eagle

    JM Eagle is an American corporation and a manufacturer of plastic pipe. [1] At its 22 plants in North America, the company manufactures polyvinyl chloride (PVC) and high-density polyethylene pipe for a variety of industries including utility, plumbing, electrical, natural gas, irrigation, potable water, drainage, and sewage.

  5. Sliplining - Wikipedia

    en.wikipedia.org/wiki/Sliplining

    It involves installing a smaller, "carrier pipe" into a larger "host pipe", grouting the annular space between the two pipes, and sealing the ends. Sliplining has been used since the 1940s. [1] The most common material used to slipline an existing pipe is high-density polyethylene (HDPE), but fiberglass-reinforced pipe (FRP) and PVC are also ...

  6. 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]

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  8. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. What happened to Hannah Kobayashi? The public - and the ... - AOL

    www.aol.com/happened-hannah-kobayashi-public...

    Editor’s note: This article discusses suicide. If you or someone you know is struggling or in crisis, help is available. Call or text 988 or chat at 988lifeline.org.. A missed flight.

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