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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 medium-pressure pipelines .
High-density polyethylene. HDPE has SPI resin ID code 2. High-density polyethylene ( HDPE) or polyethylene high-density ( PEHD) is a thermoplastic polymer produced from the monomer ethylene. It is sometimes called "alkathene" or "polythene" when used for HDPE pipes. [ 1] With a high strength-to-density ratio, HDPE is used in the production of ...
Ultra-high-molecular-weight polyethylene ( UHMWPE, UHMW) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene ( HMPE ), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. [1] The longer chain serves to transfer load more effectively to the polymer backbone by ...
The Ho Chi Minh Young Pioneer Organization ( Vietnamese: Đội Thiếu niên Tiền phong Hồ Chí Minh) is a communist youth organization operating in Vietnam named after former Vietnamese president Ho Chi Minh. [1] It operates as a constituent part of the Communist Party of Vietnam and had approximately 12 million members as of 2009.
Haiphong ( Vietnamese: Hải Phòng) is the third-largest city in Vietnam and is the principal port city of the Red River Delta. [7] The municipality has an area of 1,526.52 km 2 (589.39 sq mi), [1] consisting of 8 urban districts and 7 rural districts. Two of the rural districts cover islands in the South China Sea: Bạch Long Vĩ and Cát Hải.
Tiền Phong ( Vietnamese: Báo Tiền Phong, meaning "Vanguard") is a Vietnamese daily newspaper published by the Central Committee of the Ho Chi Minh Communist Youth Union, the youth wing of the Communist Party of Vietnam. It was established during the First Indochina War as one of the first revolutionary newspapers in Vietnam, at about the ...
1.916 k J / kg. Medium-density polyethylene ( MDPE) is a type of polyethylene defined by a density range of 0.926–0.940 g/cm 3. [1] It is less dense than HDPE, which is more common. MDPE can be produced by chromium/silica catalysts, Ziegler-Natta catalysts or metallocene catalysts. MDPE has good shock and drop resistance properties.
Details. Size. 299,256 m 2 (3,221,160 sq ft) Đà Nẵng Port ( Vietnamese: Cảng Đà Nẵng) is a major port system located in Central Vietnam at the mouth of the Han River on the East Viet Nam Sea, in the city of Đà Nẵng. It is the third largest port system in Vietnam (after Saigon Port in Hồ Chí Minh City and the port of Hải Phòng ).