Make An Electrode

Drill a hole in the PTFE. Stick a carbon rod of the same diameter through it.

sorry, it's carbon and PTFE mix together, and make the carbon like a piece of paper

Then mix the carbon with the uncured PTFE mix and let it cure in thin layers.

how can i make it as roll material? how much water i need to add?

What do you know about the process at all and why would you add water?

Are you proposing to use PTFE flakes and carbon to make a kind of paper?

Better describe what you are trying to achieve.

i mix 60% weight liquid PTFE /(water) 5 times weight of carbon and carbon together.

mix for 30min

spray dry the blanding

i want to not use the spray dry.

What we have here, is failure to communicate.

You want a conductive teflon sheet?

Rod?

What?

PTFE is just bond, i need the carbon like paper.

Yes. One instrument manufacturer comes to mind (name withheld).

This sounds more like a brush than an electrode, although the borderlands might be indistinct. In any event, a realistic description is needed.

Teflon makes no sense, especially as a binder.