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  • Long-glass-fiber PP hits the road
    Long-glass-fiber-reinforced polypropylene is proving its worth in a wide range of automotive applications. LNP Engineering Plastics, a GE Plastics Co. Edited by Jean M. Hoffman The Twintex process commingles the PP resin-fiber and glass-fiber filaments into one roving. The roving is then processed
  • Medical Device Link .
    , surgical drapes, transdermal products, and filters. Tight-tolerance die-cutting, printing, laminating, and subassembly work is provided at the company 's headquarters in the United States. PP Resin Imparts Cloth-Like Feel to Nonwovens Makers of medical apparel that wish to impart a soft touch
  • Care and feeding of living hinges
    Polypropylene resins are uniquely suited for one-piece integral or living hinges. Due to its toughness and ductility, polypropylene (PP) is uniquely suited for a fastening and joining concept that can't easily be reproduced with other engineering thermoplastics: the integral or living hinge
  • Medical Device Link . The Effects of Annealing Conditions on the Structure and Properties of Polypropylene Fibers
    , and annealing, PP fibers exhibit performance that is strongly dependent on their specific chemical structure and morphology. Whereas the chemical structure of PP fibers is controlled by resin composition such as homopolymer (HPP) or copolymer (CPP), morphological structure is related to processing
  • Blow-moldable TPVs give silicone rubbers the boot
    , driveline). The process gives extremely good control of wall thickness from top to bottom of the part. It can also mold extra features into the top of parts. uses a vacuum to draw the TPV parison (tube-shaped molten resin) through the mold. The process creates geometrically complicated parts i.e.
  • Medical Device Link . Materials Characterization as an Integral Part of Global Biocompatibility
    will be from sales of polyvinyl chloride (PVC), polypropylene (PP), polysulfones (PS), and the various polyethylenes. Projections indicate that PVC will remain the top-volume medical plastic because of the demand for both flexible and rigid products made from the resin and because of the availability
  • Welding Options For Molded Parts
    of compatible resins systems that bond. They include: * High-density polyethylene (HDPE) to linear low-density polyethylene (LLDPE). * Acrylonitrile butadiene styrene (ABS) to polycarbonate (PC). * Polyvinyl chloride (PVC) to ABS. Conversely, HDPE doesn't weld to either polypropylene (PP
  • Polyolefins
    such as electronic or auio components is another application for ither PE or PP foam. The toughness of E/PS alloy foams qualifies them for mateial-handling applications where repeated use is required. The principal resins of the polyolefin family are polyethylene and polypropylene. Other polyolefin

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