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  • Scale deposit problems
    that have been identified and provides solutions that can be implemented to overcome the problems. Scale deposits that have been identified include complexes of calcium (carbonate, oxalate, sulfate, silicates), aluminum (silicates, hydroxides, phosphates), barium sulfate, radioactive radium sulfate
  • Sulfate Removal-The Adoption of a Water Treatment Technology by the Oil and Gas Industry
    . Potable Water. Arsenic. Asbestos Fibers. Barium. Boron. Chromium. Microorganisms. Natural Organic Matter. Nitrate/Nitrite. Perchlorate Removal. Pesticide/Organic Removal. Radionuclides/Radium. Selenium. Softening. Sulfate. Uranium. Resins for Trace Contaminant Removal. Seawater. Potable and Agriculture
  • Medical Device Link . Specialty Compounds for Medical Applications: An Introduction
    , and desired properties of the finished device. Although numerous metals and other materials have been evaluated as radiopaque fillers, 90% of all compounds use one or more of the five substances discussed below to promote radiopacity (see Table I). Barium Sulfate. Low in cost and very stable, barium
  • Medical Device Link .
    of silicone materials for the healthcare and other industries. The firm recently introduced pigmented master batches for liquid silicone rubber formulations meeting USP Class VI testing requirements. “Adding powder-based pigments such as titanium dioxide or barium sulfate to silicone systems can be a messy
  • Medical Device Link . Originally Published January/February 2001
    which is novel is a material that departs from the current use of barium sulfate or metallic ions to achieve radiopacity." According to Ehrhard, the radiopaque coating presents a safer option for the treatment of implantable devices than does the compounding of metallic ions. "You can now achieve
  • Medical Device Link .
    sample. Compounds available include fluoropolymers, polyurethanes, polyolefins, Pebax, and polyamides. Radiopaque fillers are blended to customer specifications and are available in barium sulfate, bismuth subcarbonate, bismuth trioxide, bismuth oxychloride, tungsten, and titanium dioxide. All
  • Medical Device Link .
    to run the materials and harder to meet the customer 's dimensional requirements. ". Is that additive necessary? Saab 's customers often ask that their tubing include a barium sulfate filler for radiopacity. But such fillers can 't be added in Saab 's manufacturing machines. Instead, he says, they must
  • Medical Device Link .
    with Additives. Implantable-grade PEEK polymer compounds can be formulated using a variety of additives including carbon fibers, barium sulfate, and glass fibers. The additives satisfy various application-specific requirements. Glass fibers may be compounded with the polymer to enhance its mechanical

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