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Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars. ... ( mg / kg ) Price [7] Year Source Notes USD/kg USD/L [c] 1: H: Hydrogen ...
Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain olefins.
LDPE has SPI resin ID code 4 Schematic of LDPE branching structure. Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.It was the first grade of polyethylene, produced in 1933 by John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. [1]
LLDPE is defined by a density range of 0.915–0.925 g/cm 3. LLDPE is a substantially linear polymer with significant numbers of short branches, commonly made by copolymerization of ethylene with short-chain alpha-olefins (for example, 1-butene, 1-hexene, and 1-octene).
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]
A typical 11 mm (0.43 in) UHMWPE rope of 30 m (98 ft) can weigh around 2 kg (4.4 lb), the equivalent steel wire rope would weigh around 13 kg (29 lb). One notable drawback of UHMWPE rope is its susceptibility to UV damage, so many users will fit winch covers in order to protect the cable when not in use.
GAIL has 70% equity in joint venture company Brahmaputra Cracker & Polymer Limited (BCPL) in Dibrugarh, Assam with a nameplate capacity of 220 KTA of HDPE & LLDPE and 60 KTA of PP. GAIL has acquired equity in OPaL's Greenfield petrochemical project at Dahej to produce 1060 KTA of HDPE & LLDPE and 340 KTA of PP. GAIL is a co-promoter with a 17% ...
When FPC's American operations are also considered, the company's total PVC resin capacity is 2.83 million metric tons per year, the second highest in the world after Shin-Etsu Chemical, which has 3.55 million metric tons per year as of May 2010 (expanding to 3.85 million metric tons per year by the end of 2010).