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Recent content by sjh

  1. sjh

    Removing disolved gas from water

    I am looking for a way to remove disolved gas (H & O) that is produced at an electrode in water while the water is under pressure 20-125 psi range and is flowing 0.5 to 10 gpm range. When pressure on the water is relieved the gas forms bubbles and can be removed, however, I need to remove the...
  2. sjh

    Need help to get hermetic seal of insert molded wire

    I am prototyping a small plastic plug molded over a 1mm wire and I need to achieve a reliable hermetic seal between the plastic and the wire insert. The wire is defined but the plastic is not. Any suggestions with respect to getting a good seal? Best resins to sample? What effect do fillers...
  3. sjh

    Welding dissimilar plastics

    Has anyone had experience spin welding or vibration welding dissimilar plastics such as Polypropylene and ABS. I have a pressure vessel that I want to make cheap (the PP) and a small part that I need get an adhesive to stick to (the ABS). I would like to weld the two parts together. Any info...

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