Another thing to note is that 316ss is often passivated in acetic or nitric acid as a final part of the manufacturing process. perhaps the HEX company could look into their passivation process (if they have one) and look for something that could have contributed to your problem.
thanks for the tips!
i have had experience with grafoil, and found that the gas permeability is too high. Also, grafoil has very poor mechanical properties. My ideal glassy carbon plate size would be 1 to 2 mm thick and at least 10" x 5". Although if a company had other sizes that were...
does anyone have any good suggestions for finding a low cost glassy cabon sheet material? needs to be conductive and substantially impermeable up to 200 deg.C?
