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  • Users: iboivin
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  1. iboivin

    Ruptured diaphragm in vacuum pump

    Hi all! We have been using vacuum pumps for a while. But lately, we are having ruptured diaphragm. At first, it was because the diaphragm were not the suitable material. But we are now using the right material (Neoprene), but we still have problems. Is it possible that the material is Neoprene...
  2. iboivin

    Non destructive ways to differienciate between Neoprene and EPDM

    Hi all, We had a problem with diaphragms for vacuum pumps. It used to be made of Neoprene and all of a sudden the supplier used EPDM. For our application, we really need Neoprene. Since we don't really know when the supplier started to use EPDM, we want to be able to test the diaphragm to...
  3. iboivin

    Why does my parts made of Polypropylen break?

    Hi all, I have parts made of polypropylen 7728 and they break easily. I'm wondering if improper storage can be the cause of the breakage. We are situated in Quebec, so the temperature can go below 0°C. If you have any ideas, please let me know, Thank you, Iboivin

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