Home › Forum › Ask A Member › The correct material for making a diaphragm for the OMC Pressure Tanks › Re: The correct material for making a diaphragm for the OMC Pressure Tanks

#53393
frankr
Participant

    Nitrile rubber. Also known as Buna-N. Or if you want to get highly technical https://en.wikipedia.org/wiki/Nitrile_rubber