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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 .
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]
ISO 2506:1981 Polyethylene pipes (PE) — Longitudinal reversion — Test methods and specification [Withdrawn: replaced with ISO 2505] ISO 2507 Thermoplastics pipes and fittings — Vicat softening temperature ISO 2507-1:1995 Thermoplastics pipes and fittings — Vicat softening temperature — Part 1: General test method
ISO 13628-10:2005 Part 10: Specification for bonded flexible pipe; ISO 13628-11:2007 Part 11: Flexible pipe systems for subsea and marine applications; ISO 13628-15:2011 Part 15: Subsea structures and manifolds; ISO/IEC 13642:1999 Information technology – Elements of management information related to the OSI Physical Layer
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As wildfires continue to rage through the Los Angeles area, the NFL has already put together an alternate plan for the Vikings-Rams playoff game.
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