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The Solution Newsletter
News You Didn't Know You Needed
  • Plei-Tech® check valve balls are used in pumps to improve pump performance and help pumps operate quietly.
  • Polyurethane is ideally suited for ball check valves because of its outstanding abrasion and chemical resistance.
  • The dynamic performance of Plei-Tech® polyurethanes allow for check valve operation at higher pressure and speeds.
  • Precision plastic balls from .75" to 10" are molded with or without metal inserts, and other polyurethane plastic ball sizes can also be custom molded.
  • Both the urethane and the insert are selected to match performance demands with specific gravity needs. Durometers range from 80°A to 75°D.
  • Pleiger Plastics Company can either furnish plastic balls "as cast" or "precision ground" for more exacting ball type check valve requirements.
Those who have tried to pry a mussel from anything from wood to rock know how stubborn the underwater mollusks are—and their gluey secret has long captivated scientists. For years, researchers have attempted to replicate the extraordinary adhesive and its properties in the lab, targeting some of the eight proteins that mussels secrete and use to coat an organ called a foot that mussels use to attach to surfaces.

Now, using a novel method to arrange molecules, researchers at Northwestern University have created a material that performs...
Screen printing has long been an industry with significant health and safety hazards to employees and the environment, due to the use of solvent-based inks releasing VOCs into the air and mercury vapor UV lights that produce ozone and require special hazardous waste disposal. Through the development and roll-out of LED-based UV curing technology, those hazards have been significantly reduced, for the benefit of employees, customers, general consumers, and the environment...
A significant part of carpet waste consists of petroleum-based polypropylene. As a non-recyclable product, disposing of it has previously meant incineration or landfill. However, a new solvent is now making it possible to recover virgin-standard polypropylene from carpet waste—with no perceptible reduction in quality. Developed by the Fraunhofer Institute for Building Physics IBP and its partners, the process also involves costs that are quite competitive. The development has taken...
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