The BuRP tank diaphragms I have mike out at 0.030" which is thicker than the fuel pump material. A few years back TT posted it or the pump material in 36 or 48 inch wide rolls and I believe McMaster or Grainger was the source. The diaphragms also have a woven reinforcing in them.
A piece of fuel pump diaphragm material measured out at 13 thou.
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