The Permatex "Flowable" Silicone would not have sufficient strength to work well by itself. It needs the support of the nylon mesh (like that found on the thicker upper part of pantyhose), and it will still remain very soft and flexible. It is probably not the best Silicone to be used as regulator diaphragms, but it is readily available at auto supply stores, and easy to spread with your fingertip. I have used it to make diaphragms for single hose Aquamatics, Healthways Scubastars, Voit Trieste double hose regs and now for the Aviation reg. There are some drawbacks to it, as the edges are not as tough as they really ought to be for maximum strength to be held securely in place on some regs.
Yeah, nothing will shock them better than a homemade diaphragm made from pantyhose and windshield sealant.
If only that would work.
I have communicated with Jeff. Seems to be a great guy, very helpful. He is working on the same exhaust diaphragm issue I am so we are trying different things and see what works best. I also had a nice long phone conversation with another VDH member today who works with military grade tactical gear and had some great ideas on the kind of material to use. Stay tuned. I will post developments as they occur. Mark
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