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  2. Engineering plastic - Wikipedia

    en.wikipedia.org/wiki/Engineering_plastic

    The currently most-consumed engineering plastic is acrylonitrile butadiene styrene (ABS), used for e.g. car bumpers, dashboard trim and Lego bricks. Engineering plastics have gradually replaced traditional engineering materials such as metal, glass or ceramics in many applications. Besides equalling or surpassing them in strength, weight, and ...

  3. High-performance plastics - Wikipedia

    en.wikipedia.org/wiki/High-performance_plastics

    High-performance plastics are thus about 3 to 20 times as expensive as engineering plastics. [2] In the future, a significant price decline cannot be expected, since the investment costs for production equipment, the time-consuming development, and the high distribution costs are going to remain constant. [5]

  4. Low-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/Low-density_polyethylene

    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]

  5. World’s first ‘plastic forecast’ predicts microplastics ...

    www.aol.com/world-first-plastic-forecast...

    The world's first “plastic forecast” has predicted at least 300kg of microplastics will fall over Paris in the week beginning Monday, 29 April. Minderoo Foundation's forecast has been ...

  6. Here's where Wall Street sees stocks heading after the best 2 ...

    www.aol.com/finance/heres-where-wall-street-sees...

    Given his 6,100 call for the end of 2024, Belski's forecast returns in 2025 at 9.8%, right in line with the index's average historical gain. The median year-end target for the S&P 500 among ...

  7. Carbon-fiber reinforced polymer - Wikipedia

    en.wikipedia.org/wiki/Carbon-fiber_reinforced...

    Archery: carbon fiber arrows and bolts, stock (for crossbows) and riser (for vertical bows), and rail. As a filament for the 3D fused deposition modeling printing process, [45] carbon fiber-reinforced plastic (polyamide-carbon filament) is used for the production of sturdy but lightweight tools and parts due to its high strength and tear length ...

  8. 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]

  9. Ultra-high-molecular-weight polyethylene - Wikipedia

    en.wikipedia.org/wiki/Ultra-high-molecular...

    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]